All Wiring Diagrams for Cadillac CTS V 2012

ACTIVE BODYWORKS

Active Bodyworks Wiring Diagram for Cadillac CTS V 2012

List of elements for Active Bodyworks Wiring Diagram for Cadillac CTS V 2012:

(left front of engine compt) engine control module (ecm)
(top right of engine) g132
3.0l & 3.6l
6.2l
Automatic transmission
Batt+ volt
Body control module (bcm) (center of dash)
Computer data lines system
Control solenoid valve assembly
Data bus+
Data bus-
Front upper beam pedestrian impact detection sensor
G102 (right front of engine compt)
Gnd
Ground
Hi spd gmlan serial data bus+
Hi spd gmlan serial data bus-
Hi spd gmlan serial data bus- x3
Hood hi ref
Hood lo ref
Hot at all times
Hot w/ pwr/trn relay energized
J201
Left active hood hinge actuator
Lo ref
Module sig
Ped pro fuse 10a
Pedestrian impact detection module
Pnk
Rear upper beam pedestrian impact detection sensor
Right active hood hinge actuator
Sensor lo ref
Sensor sig
Serial data
Serial data +
Serial data -
Shorting bar
Tan
Toss/brk vac rly fuse 10a
Transmission control module (tcm)
Underhood fuse block (right front of engine compt)
Vehicle speed sensor (6.2l m/t) (right rear of transmission)
Vehicle speed sensor (except 6.2l m/t) (left rear of transmission)
Vss hi sig
Vss high sig
Vss lo sig
X175

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(hvac assembly harness, near driver air temperature actuator)
(hvac assembly harness, near mode actuator)
(left kick panel) g200
(or pnk)
(right kick panel) g201
5-volt ref 3
Air quality sensor (right radiator support)
Auto switch
Batt pos volt
Blower motor (right side of hvac module)
Blower motor control module (lower left side of blower motor)
Blower motor switch
Blwr fuse 40a
Blwr mtr spd ctrl
Blwr mtr sply volt
Body control module (bcm) (center of dash)
Computer
Computer data lines system
Data lines system
Defogger switch
Defogger system
Disply fuse 15a
Dr ctrl circuit
Dr pos sig
Dr sig
Driver air temperature actuator (left side of hvac module)
Evaporator temperature sensor (right side of evaporator case)
G201 (right kick panel)
Gnd
Hot at all times
Hot w/ ignition 1 relay energized
Hvac control module (center of dash)
Ign
Ign 3 volt
Isrvm fuse 7.5a
J201
J202
J211
J225
J230
Left air temperature switch
Lo dr pos sig
Lo ref
Lo spd gmlan
Logic
Low ref
Mode actuator (left side of hvac module)
Mode dr ctrl
Mode switch
Passenger air temperature actuator (right side of hvac module)
Pnk
Pos sig
Power distribution system
Radio/hvac control
Rec dr ctrl
Rec dr pos sig
Recirculation actuator (right side of hvac module)
Recirculation switch
Right air temp
Right air temperature switch
Rly ctrl
Sens sig
Spd sig
Temp dr ctrl
Underhood fuse block (right front of engine compt)
W/o spo dvd
W/spo dvd
X204
X208
X225
X270

Automatic A/C Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(3.6l & 3.0l) (6.2l)
(6.2l) (3.0l & 3.6l)
(or 2761)
3.0l & 3.6l
3.6l & 3.0l
5-volt ref 5-volt ref 1
6.2l
87a
A/c cltch fuse 10a
A/c cmprsr cltch relay
A/c compressor clutch (6.2l: lower right front of engine) (except 6.2l: lower left front of engine)
A/c compressor clutch rly ctrl
A/c refrigerant press sens sig
A/c refrigerant pressure sensor (on a/c refrigerant line)
Ambient air temperature sensor (under front bumper, near front grille)
Charge air cooler (cac) coolant pump
Charge air cooler (cac) coolant pump relay (6.2l)
Charge air cooler coolant pump ctrl
Computer data lines system
Ect sens sig
Emis 2 fuse 15a
Engine control module (ecm) (6.2l: right rear of engine compt) (except 6.2l: left front of engine compt)
Engine coolant temperature (ect) sensor (except 6.2l: side of left cylinder head) (6.2l: left front of engine)
Engine cooling fan
Engine cooling fan resistor
Fan 1 fuse 30a 40a
Fan 1 relay
Fan 2 fuse 30a (3.6l & 3.0l) 40a (6.2l)
Fan 2 relay
Fan s/p relay
G101 (left front strut tower)
G104 (near right headlight)
G132 (top right of engine)
Hi spd cooling fan rly ctrl
Hi spd gmlan serial data bus+
Hot at all times
Hot w/ pwr/ trn relay energized
Inclr fuse 10a
Inside air temperature sensor (center of dash)
Left engine cooling fan (left side of radiator)
Lo ref
Lo spd cooling fan rly ctrl
Pnk
Power distribution system
Right engine cooling fan (right side of radiator)
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Sunload sensor (top center of dash)
Tan
Underhood fuse block (right front of engine compt)
X130
X204

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(except 6.2l) brake booster pump relay
(info not available)
(left rear wheel hub assembly) left rear wheel speed sensor (wss)
(top right of engine)
12 volt ref
5 volt ref
Abs fuse 30a
Abs mtr fuse 50a
Auxiliary brake booster pump
Battery positive voltage
Brake booster pump rly ctrl
Brake booster vacuum sensor sig
Brake pressure modulator valve
Brk vac pump fuse (except 6.2l) 20a
C x101
Can bus high
Can bus high serial data
Can bus low
Can bus low serial data
Computer data lines system
Disply fuse 10a
Electronic brake control module (ebcm) (right front corner of engine compt)
G102 (right front of engine compt)
G110 (near abs module)
G132
G200 (left kick panel)
Gmlan serial data bus+
Gmlan serial data bus-
Gnd
Hot at all times
Hot w/ ign 1 relay energized
Ign
J205
Left front wheel speed sensor (wss) (left front wheel hub assembly)
Lh frt wheel spd sens sig
Lh rr wheel spd sens 12v ref
Lh rr wheel spd sens sig
Low ref
Nca
Power distribution system
Rh frt wheel spd sens sig
Rh rr wheel spd sens 12v ref
Rh rr wheel spd sens sig
Right rear wheel speed sensor (wss) (right rear wheel hub assembly)
Serial data communication enable
Steering wheel position sensor (top of steering column)
Tan
Toss/brk vac relay fuse (except 6.2l) 10a
Underhood fuse block (right front of engine compt)
Variable effort steering actr ctrl
Variable effort steering actr sply volt
Vehicle speed signal
X101
X104
X202
Yaw rate & lateral acceleration sensor (under center console)

Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(on brake fluid reservoir) brake fluid level switch
5 volt ref
6.2l
A/t
Abs ind
Body control module (bcm) (center of dash)
Brake booster vacuum sensor (except 6.2l) (on booster)
Brake ind
Brake pedal position sensor (top of brake pedal)
Brake position sensor signal
Computer data lines system
Driver information center (dic) display
Engine control module (ecm) (except 6.2l: left front of engine compt) (6.2l: right rear of engine compt)
Except 6.2l
G102 (right front of engine compt)
G200 (left kick panel)
G402 (left rear shock tower)
Gnd
High spd gmlan serial data+
High spd gmlan serial data-
High speed gmlan serial data bus+
High speed gmlan serial data bus-
Inflatable restraint steering wheel module coil (top of steering column)
Instrument panel cluster (ipc)
J201
J240
J285 (a/t) (steering column harness, near branch for body control module)
J288
J290 (steering wheel harness)
Left steering wheel control switch (6.2l)
Logic
Low ref
Low ref x1
Low spd gmlan serial data
Nca
Park brake switch (on park brake assembly)
Park brk sw sig
Radio/hvac control (except 6.2l)
Remote radio ctrl sply volt
Right front wheel speed sensor (wss) (right front wheel hub assembly)
Right steering wheel control switch
Seek
Seek down
Sound systems
Steering wheel ctrls sig
Stp lmp sw sig
Tan
Traction control off ind
Traction control switch
Traction ctrl sw sig
Transmissions & cruise control systems
Transmissions system
Variable effort steering actuator (power steering rack assembly)
Voice
Vol +
Vol -
Vsc ind
X104

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 3) for Cadillac CTS V 2012

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List of elements for Forced Entry Wiring Diagram (1 of 3) for Cadillac CTS V 2012:

(body harness, near inline connector x700) j390
(center of dash) body control module (bcm)
(or 5797)
Antenna clock
Antenna data
Antenna low
Antenna sig
Antenna sply
Computer data lines system
Coupe
Data bus+
Data bus-
Disply fuse 10a
Door handle keyless entry antenna
Driver door handle switch (sedan/wagon)
Drv door unlck
Drv sw sig
Exterior lights system
Fuel door release actuator (w/ remote control) (right rear of luggage compt)
G102 (right front of engine compt)
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Gnd
Headliner keyless entry antenna (wagon) (center rear of roof)
Hood ajar sw
Hood ajar switch (w/ remote start)
Hood sw sig
Horn rly ctrl
Horns system
Hot at all times
Ignition sw sig
J394
J396 (body harness, near branch to inflatable restraint sensing & diagnostic module)
J430
J510
J710
J810
Left keyless entry antenna
Left rear door handle switch (sedan/wagon)
Left rear door latch (sedan/wagon) (left rear door)
Liftgate ajar sw
Low ref
Lr door ajar sw
Lr door open sw
Lr dr handle sw
Nca
Park lp sply
Pass sw sig
Pnk
Power distribution system
Rear compartment keyless entry antenna
Rear compartment lid latch
Rear fuse block (right rear of luggage compt)
Release ctrl
Remote control door lock receiver (rcdlr) (w/ passive entry) (sedan/coupe: right side of rear shelf) (wagon: left rear of roof)
Right rear door handle switch (sedan/wagon)
Right rear door latch (sedan/wagon) (right rear door)
Rke/pass key/mdl fuse 10a
Rr door ajar sw
Rr dr handle sw
Sedan
Sedan & wagon
Sedan/wagon
Serial data
Shift interlock system
Shift pos sig
Tan
Trunk, tailgate, fuel doors system
Underhood fuse block (right front of engine compt)
X235
X260
X408
X425
X500
X507
X700
X800

Forced Entry Wiring Diagram (2 of 3) for Cadillac CTS V 2012

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List of elements for Forced Entry Wiring Diagram (2 of 3) for Cadillac CTS V 2012:

(coupe) driver door control module
(driver's door) driver door latch
Center console active keyless entry antenna (w/ keyless entry)
Center console passive keyless entry antenna (under floor console)
Computer data lines system
Coupe
Data sig
Driver exterior door handle switch
Driver information center (dic) display
Driver interior door handle switch
G200 (left kick panel)
G201 (right kick panel)
Instrument panel cluster (ipc)
J201
J510
J517
J617
Lock sig
Logic
Low ref
Passenger door control module (coupe)
Passenger exterior door handle switch
Passenger interior handle switch
Pnk
Right keyless entry antenna
Security ind
Sedan & wagon
Sply volt
Tan
W/ passive entry
W/o passive entry
X237
X500
X505
X600
X605

Forced Entry Wiring Diagram (3 of 3) for Cadillac CTS V 2012

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List of elements for Forced Entry Wiring Diagram (3 of 3) for Cadillac CTS V 2012:

(or tan)
(right kick panel) g201
(right rear shock tower) g401
(sedan/wagon) lck relay
(sedan/wagon) unlck relay
(w/o deluxe interior lamp package) j510
(w/o deluxe interior lamp package) j610 (w/ deluxe interior lamp package) j605
87a
Backlight lp
Coax
Computer data lines system
Computer data lines system (or 294)
Coupe
Courtesy lp hi
Courtesy lp lo
Door latch
Door lck
Dr/lck fuse 15a
Driver door lock/ window switch
Drv door latch
Drv door lck
Drv door sw
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Gnd
Hot at all times
Ic 2 ctrl
Interior lights system
J505 (w/ deluxe interior lamp package)
J610
Keyless entry antenna
Lf door ajar
Lf door handle
Lf dr sw sig
Lock
Logic
Nca
Network 1
Network 2
Passenger door handle switch (sedan/wagon)
Passenger door latch (passenger's door)
Passenger door lock/ window switch
Pdm fuse 15a
Pnk
Rear fuse block (right rear of luggage compt)
Release sig
Remote control door lock receiver (rcdlr) (w/o passive entry) (coupe or sedan: right side of rear shelf) (wagon: left rear of roof)
Rf door ajar
Rf door handle
Rf dr sw sig
Right front door handle keyless entry antenna
Sedan/wagon
Serial data
Tan
Trunk, tailgate, fuel doors system
Unlock
W/ passive entry
W/o passive entry
X500
X505
X600
X605
X607

Pass-Key Wiring Diagram for Cadillac CTS V 2012

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List of elements for Pass-Key Wiring Diagram for Cadillac CTS V 2012:

Acc
Acc volt
Body control module (bcm) (center of dash)
Computer data lines system
Data bus +
Data bus -
Disply fuse 10a
Driver information center (dic) display
G102 (right front of engine compt)
G200 (left kick panel)
Gnd
Hood ajar sw
Hood ajar switch (w/ remote start)
Hood sw sig
Hot at all times
Ignition switch
Instrument panel cluster (ipc)
J201
J205
J260
J270
Lock
Logic
Low gmlan
Power distribution system
Pwr moding fuse 2a
Run
Security ind
Start
Tan
Theft deterrent control module (w/o remote start) (top of steering column)
Underhood fuse block (right front of engine compt)
X202

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(right front of engine compt) g102
12-volt ref
5-volt ref
A/t shift lk ctrl sol ctrl
Acc
Acc volt
Anti-lock brakes system
Automatic headlamp rly ctrl
Battery positive volt
Body control module (bcm) (center of dash)
Computer data lines system
Courtesy lamp rly ctrl
Courtesy lamps sply volt
Courtesy lamps sw on sig
Cruise control & sound systems
Cruise control system
Cruise ctrl ind dimming sig
Cruise ctrl sw sig
Door locks system
Drl ambient light sens sig
Drv door unlock rly ctrl
Exterior lights system
Flash to pass sw sig key capture/column lk shift position sig
Front fog lamp sw sig
Fuel door release sol ctrl
Gnd
Hazard sw sig
Hdlp dimmer sw hi beam sig
Hdlp low beam sply volt
Hdlp sw hdlps off sig
Headlights system
Hi spd gmlan serial data bus+
Hi spd gmlan serial data bus-
Hot at all times
I/p dimmer sw sig
I/p lps dimmer sw sig
Ic 2 ctrl
Ignition switch
Interior lights system
J201
J260 (w/o remote start)
Led backlight dimming ctrl
Lf turn sig sw sig
Lift glass/trunk mtr release ctrl
Low ref
Low spd gmlan serial data
Off
Off acc
Off/run/crank volt
Park lamp sw on sig
Pnk
Power windows system
Pwr win master sw lkout rr sig
Pwr wind master sw lkout sig
Pwr wind master sw lr dn sig
Pwr wind master sw lr up sig
Pwr wind master sw rr dn sig
Pwr wind master sw rr up sig
Remote radio ctrl sply volt
Remote shift selector sig
Rf turn sig sw sig
Rh tail lp outage detection sig
Rr fog lp sw sig
Run
Sens sig
Serial data communication enable
Shift interlock system
Sound systems
Start
Steering wheel controls sig
Tan
Tap up/tap down sw sig
Traction control sw sig
Transmission system
Transmissions system
Trunk, tailgate, fuel doors system
Windshield washer sw sig
Windshield wiper sw high sig
Windshield wiper sw low ref
Windshield wiper sw low sig
Wiper/ washer system
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(right kick panel) g201
Acc volt
Air conditioning & instrument cluster systems
Anti-theft system
Backup lamp sply volt
Battery positive volt
Bcm 1 fuse 10a
Bcm 2 fuse 15a
Bcm 3 fuse 10a
Bcm 4 fuse 10a
Bcm 5 fuse 10a
Bcm 6 & 7 fuse 10a
Body control module (bcm) (center of dash)
Chmsl sply volt/stop lamp sply volt
Computer data lines system
Courtesy lamp rly ctrl
Current sensor low ref
Current sensor sig
Current sensor sply volt
Door locks system
Drl sply volt
Exterior lights system
Fog lamp rly ctrl
Front windshield wiper sw hi sig
Gnd
Hdlp rly ctrl
Hdlp washer rly ctrl
Headlamp rly ctrl
Headlights system
Hood ajar sw sig
Hood closed sw sig
Horn rly ctrl
Horns system
Hot at all times
Ign 1 volt
Ign 3 volt
Instrument cluster system
Interior lights system
Left tail lamp outage detection sig
Lf turn signal lamp sply volt
Lh trailer turn sig rly ctrl
Liftgate ajar sw sig
Local interconnect network 3
Lr door ajar sw sig
Lr door open sw sig
Lr stop/turn lamp sply volt
Park brake sw sig
Park lamp sply volt
Pnk
Power distribution system
Power tops system
Rain sens low ref
Rain sens sig
Rear fuse block (right rear of luggage compt)
Rf turn signal lamp sply volt
Rh trailer turn sig rly ctrl
Rr door ajar sw sig
Rr fog lp rly ctrl
Rr stop/turn lamp sply volt
Rvc/snsr fuse 10a (or 2a)
Serial data
Sply volt
Starting/charging system
Stop lamp sw sig
Tan
Trunk, tailgate, fuel doors & door locks systems
Underhood fuse block (right front of engine compt)
Windshield washer rly ctrl
Windshield wiper mtr prk sw sig
Windshield wiper sw sig 2
Wiper/washer system
X260

COMPUTER DATA LINES

3.0L VIN 5

3.0L VIN 5, Computer Data Lines Wiring Diagram (1 of 3) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Computer Data Lines Wiring Diagram (1 of 3) for Cadillac CTS V 2012:

Audio amplifier (w/ surround amplifier) (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Coupe
Data link connector (dlc) (left side of dash)
Disply fuse 10a
Driver door lock/window switch
Driver window motor (driver's door)
G200 (left kick panel)
Hot at all times
Hvac control module (center of dash)
Inflatable restraint front passenger presence system (pps) sensor
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Inside rearview mirror (isrvm) (w/ infotainment system 1/2/3 & rearview camera)
Instrument panel cluster (ipc)
Interconnect network 1
Interconnect network 2
J200
J201
Left side object sensor (left end of rear bumper fascia)
Liftgate module (lgm) (right side of liftgate)
Lo spd gmlan
Lo spd gmlan serial data
Local interconnect network 1
Local interconnect network 2
Logic
Memory seat module (msm) (if equipped) (under driver's seat)
Passenger door lock/window switch
Passenger window motor (front passenger's door)
Radio
Radio/hvac control
Rear object sensor control module (coupe/sedan: right side of rear shelf) (wagon: center front of luggage compt)
Remote control door lock receiver (rcdlr) (coupe/sedan: right side of rear shelf) (wagon: left rear of roof)
Right side object sensor (right end of rear bumper fascia)
Sedan & wagon
Serial data
Serial data lo spd gmlan
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Splice pack jx301 (body harness, near left front inflatable restraint side impact sensor)
Tan
Theft deterrent module (tdm) (w/o keyless engine start switch) (top of steering column)
Underhood fuse block (right front of engine compt)
W/ onstar
W/ remote entry extended range passive lock control & keyless engine start
W/ remote entry extended range passive lock control, keyless engine start & side obstacle detection sensor
W/ remote entry extended range passive lock control, parking assist & keyless engine start
W/ remote entry standard range lock control
W/ remote entry standard range lock control & parking assist
W/ remote entry standard range lock control & side obstacle detection sensor
Wagon, w/ remote entry extended range passive lock control & keyless engine start
Wagon, w/ remote entry standard range lock control
X202
X207
X235
X300
X301
X307
X425
X500
X505
X600
X605
X900

3.0L VIN 5, Computer Data Lines Wiring Diagram (2 of 3) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Computer Data Lines Wiring Diagram (2 of 3) for Cadillac CTS V 2012:

Acc wake up ser data
Awd
Body control module (bcm) (center of dash)
Com enable
Com enable serial data
Coupe & sedan
Data bus +
Data bus -
Data link resistor (left side of luggage compt)
Electronic compass module (coupe/sedan: left side of rear shelf) (wagon: center front of luggage compt)
Electronic suspension control (esc) module (left side of luggage compt)
Except awd, w/ 0nstar & pedestrian protection
Except awd, w/o pedestrian protection & onstar
Fuel pump flow control module (right rear of luggage compt)
Fuel system control module
Interconnect network 3
J280 (i/p harness, near branch for clutch pedal position sensor)
J309
Lo spd gmlan serial data
Lo spd gmlan serial data x7
Local
Parking brake control module
Sedan & coupe
Serial data
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Tan
Underhood fuse block (right front of engine compt)
W/ electronic parking brake
W/ high intensity discharge
W/ onstar
W/ pedestrian protection
W/o electronic parking brake
W/o pedestrian protection
Wagon
X200
X235
X260
X402
X440

3.0L VIN 5, Computer Data Lines Wiring Diagram (3 of 3) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Computer Data Lines Wiring Diagram (3 of 3) for Cadillac CTS V 2012:

A/t
Acc wake up ser data
Automatic transmission
Awd
Awd, w/o pedestrian protection & w/ onstar
Bus + data
Com enable
Control solenoid valve assembly
Data bus +
Data bus -
Data bus - acc wake up serial data
Electronic brake control module (ebcm) (right front corner of engine compt)
Engine control module (ecm) (left front of engine compt)
Except awd,
Except awd, w/o pedestrian protection & onstar
Headlamp control module (front of engine compt)
Hi serial data
Hi spd gmlan ser data bus +
Hi spd gmlan ser data bus -
Lo serial data
Lo spd gmlan serial data
M/t
Pedestrian impact detection module
Serial data
Serial data com enable
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Steering wheel position sensor (top of steering column)
Tan
Transfer case shift control module (right side of dash)
Vehicle communication interface module (vcim) (behind right rear strut tower)
W/ 0nstar & pedestrian protection
W/ high intensity discharge
W/ onstar
W/ pedestrian protection
W/o high intensity discharge
W/o onstar
X101
X104
X165
X202
X235
X260
Yaw rate & lateral accelerometer sensor (under center console)

3.6L VIN 3

3.6L VIN 3, Computer Data Lines Wiring Diagram (1 of 3) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Computer Data Lines Wiring Diagram (1 of 3) for Cadillac CTS V 2012:

Audio amplifier (w/ surround amplifier) (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Coupe
Data link connector (dlc) (left side of dash)
Disply fuse 10a
Driver door lock/window switch
Driver window motor (driver's door)
G200 (left kick panel)
Hot at all times
Hvac control module (center of dash)
Inflatable restraint front passenger presence system (pps) sensor
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Inside rearview mirror (isrvm) (w/ infotainment system 1/2/3 & rearview camera)
Instrument panel cluster (ipc)
Interconnect network 1
Interconnect network 2
J200
J201
Left side object sensor (left end of rear bumper fascia)
Liftgate module (lgm) (right side of liftgate)
Lo spd gmlan
Lo spd gmlan serial data
Local interconnect network 1
Local interconnect network 2
Logic
Memory seat module (msm) (if equipped) (under driver's seat)
Passenger door lock/window switch
Passenger window motor (front passenger's door)
Radio
Radio/hvac control
Rear object sensor control module (coupe/sedan: right side of rear shelf) (wagon: center front of luggage compt)
Remote control door lock receiver (rcdlr) (coupe/sedan: right side of rear shelf) (wagon: left rear of roof)
Right side object sensor (right end of rear bumper fascia)
Sedan & wagon
Serial data
Serial data lo spd gmlan
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Splice pack jx301 (body harness, near left front inflatable restraint side impact sensor)
Tan
Theft deterrent module (tdm) (w/o keyless engine start switch) (top of steering column)
Underhood fuse block (right front of engine compt)
W/ onstar
W/ remote entry extended range passive lock control & keyless engine start
W/ remote entry extended range passive lock control, keyless engine start & side obstacle detection sensor
W/ remote entry extended range passive lock control, parking assist & keyless engine start
W/ remote entry standard range lock control
W/ remote entry standard range lock control & parking assist
W/ remote entry standard range lock control & side obstacle detection sensor
Wagon, w/ remote entry extended range passive lock control & keyless engine start
Wagon, w/ remote entry standard range lock control
X202
X207
X235
X300
X301
X307
X425
X500
X505
X600
X605
X900

3.6L VIN 3, Computer Data Lines Wiring Diagram (2 of 3) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Computer Data Lines Wiring Diagram (2 of 3) for Cadillac CTS V 2012:

Acc wake up ser data
Awd
Body control module (bcm) (center of dash)
Com enable
Com enable serial data
Coupe & sedan
Data bus +
Data bus -
Data link resistor (left side of luggage compt)
Electronic compass module (coupe/sedan: left side of rear shelf) (wagon: center front of luggage compt)
Electronic suspension control (esc) module (left side of luggage compt)
Except awd, w/ 0nstar & pedestrian protection
Except awd, w/o pedestrian protection & onstar
Fuel pump flow control module (right rear of luggage compt)
Fuel system control module
Interconnect network 3
J280 (i/p harness, near branch for clutch pedal position sensor)
J309
Lo spd gmlan serial data
Lo spd gmlan serial data x7
Local
Parking brake control module
Sedan & coupe
Serial data
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Tan
Underhood fuse block (right front of engine compt)
W/ electronic parking brake
W/ high intensity discharge
W/ onstar
W/ pedestrian protection
W/o electronic parking brake
W/o pedestrian protection
Wagon
X200
X235
X260
X402
X440

3.6L VIN 3, Computer Data Lines Wiring Diagram (3 of 3) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Computer Data Lines Wiring Diagram (3 of 3) for Cadillac CTS V 2012:

A/t
Acc wake up ser data
Automatic transmission
Awd
Awd, w/o pedestrian protection & w/ onstar
Bus + data
Com enable
Control solenoid valve assembly
Data bus +
Data bus -
Data bus - acc wake up serial data
Electronic brake control module (ebcm) (right front corner of engine compt)
Engine control module (ecm) (left front of engine compt)
Except awd,
Except awd, w/o pedestrian protection & onstar
Headlamp control module (front of engine compt)
Hi serial data
Hi spd gmlan ser data bus +
Hi spd gmlan ser data bus -
Lo serial data
Lo spd gmlan serial data
M/t
Pedestrian impact detection module
Serial data
Serial data com enable
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Steering wheel position sensor (top of steering column)
Tan
Transfer case shift control module (right side of dash)
Vehicle communication interface module (vcim) (behind right rear strut tower)
W/ 0nstar & pedestrian protection
W/ high intensity discharge
W/ onstar
W/ pedestrian protection
W/o high intensity discharge
W/o onstar
X101
X104
X165
X202
X235
X260
Yaw rate & lateral accelerometer sensor (under center console)

6.2L VIN P

6.2L VIN P, Computer Data Lines Wiring Diagram (1 of 3) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Computer Data Lines Wiring Diagram (1 of 3) for Cadillac CTS V 2012:

Audio amplifier (w/ surround amplifier) (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Coupe
Data link connector (dlc) (left side of dash)
Disply fuse 10a
Driver door lock/window switch
Driver window motor (driver's door)
G200 (left kick panel)
Hot at all times
Hvac control module (center of dash)
Inflatable restraint front passenger presence system (pps) sensor
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Inside rearview mirror (isrvm) (w/ infotainment system 1/2/3 & rearview camera)
Instrument panel cluster (ipc)
Interconnect network 1
Interconnect network 2
J200
J201
Left side object sensor (left end of rear bumper fascia)
Liftgate module (lgm) (right side of liftgate)
Lo spd gmlan
Lo spd gmlan serial data
Local interconnect network 1
Local interconnect network 2
Logic
Memory seat module (msm) (if equipped) (under driver's seat)
Passenger door lock/window switch
Passenger window motor (front passenger's door)
Radio
Radio/hvac control
Rear object sensor control module (coupe/sedan: right side of rear shelf) (wagon: center front of luggage compt)
Remote control door lock receiver (rcdlr) (coupe/sedan: right side of rear shelf) (wagon: left rear of roof)
Right side object sensor (right end of rear bumper fascia)
Sedan & wagon
Serial data
Serial data lo spd gmlan
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Splice pack jx301 (body harness, near left front inflatable restraint side impact sensor)
Tan
Theft deterrent module (tdm) (w/o keyless engine start switch) (top of steering column)
Underhood fuse block (right front of engine compt)
W/ onstar
W/ remote entry extended range passive lock control & keyless engine start
W/ remote entry extended range passive lock control, keyless engine start & side obstacle detection sensor
W/ remote entry extended range passive lock control, parking assist & keyless engine start
W/ remote entry standard range lock control
W/ remote entry standard range lock control & parking assist
W/ remote entry standard range lock control & side obstacle detection sensor
Wagon, w/ remote entry extended range passive lock control & keyless engine start
Wagon, w/ remote entry standard range lock control
X202
X207
X235
X300
X301
X307
X425
X500
X505
X600
X605
X900

6.2L VIN P, Computer Data Lines Wiring Diagram (2 of 3) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Computer Data Lines Wiring Diagram (2 of 3) for Cadillac CTS V 2012:

A tan
Acc wake up serial data
Body control module (bcm) (center of dash)
Coupe & sedan
Data bus +
Data bus -
Data link resistor (right side of luggage compt)
Electronic compass module (coupe/sedan: left side of rear shelf) (wagon: center front of luggage compt)
Electronic suspension control (esc) module (left side of luggage compt)
Fuel pump flow control module (right rear of luggage compt)
Fuel system control module
Interconnect network 3
J280 (i/p harness, near branch for clutch pedal position sensor)
Lo spd gmlan serial data
Local
Parking brake control module
Serial data com enable
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Tan
Underhood fuse block (right front of engine compt)
W/ electronic parking brake
W/ high intensity discharge
W/ onstar
W/ pedestrian protection
W/o 0nstar & pedestrian protection
W/o electronic parking brake
W/o pedestrian protection
Wagon
X200
X235
X260
X402
X440
X470

6.2L VIN P, Computer Data Lines Wiring Diagram (3 of 3) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Computer Data Lines Wiring Diagram (3 of 3) for Cadillac CTS V 2012:

A/t
Acc wake up ser data
Automatic transmission
Bus + data
Com enable
Control solenoid valve assembly
Data bus +
Data bus -
Electronic brake control module (ebcm) (right front corner of engine compt)
Engine control module (ecm) (right rear of engine compt)
Headlamp control module (front of engine compt)
Hi serial data
Hi spd gmlan ser data bus +
Hi spd gmlan ser data bus -
Lo serial data
M/t
Pedestrian impact detection module
Serial data
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Steering wheel position sensor (top of steering column)
Tan
Vehicle communication interface module (vcim) (behind right rear strut tower)
W/ high intensity discharge
W/ onstar
W/ pedestrian protection
W/o 0nstar & pedestrian protection
W/o onstar
W/o pedestrian protection
X104
X165
X171
X202
X235
X260
Yaw rate & lateral accelerometer sensor (under center console)

COOLING FAN

Cooling Fan Wiring Diagram for Cadillac CTS V 2012

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List of elements for Cooling Fan Wiring Diagram for Cadillac CTS V 2012:

(3.6l & 3.0l) (6.2l)
(or 2761)
3.0l&3.6l
3.6l & 3.0l
6.2l
87a
Charge air cooler (cac) coolant pump
Charge air cooler (cac) coolant pump relay (6.2l)
Charge air cooler coolant pump ctrl
Computer data lines system
Ect sens sig
Emis 2 fuse 15a
Engine control module (ecm) (except 6.2l: left front of engine compt) (6.2l: right rear of engine compt)
Engine coolant temperature (ect) sensor (except 6.2l: side of left cylinder head) (6.2l: left front of engine)
Engine cooling fan
Engine cooling fan resister
Fan 1 fuse 30a 40a
Fan 1 relay
Fan 2 fuse 30a (3.6l & 3.0l) 40a (6.2l)
Fan 2 relay
Fan s/p relay
G101 (left front strut tower)
G104 (near right headlight)
G132 (top right of engine)
Hi spd cooling fan rly ctrl
Hi spd gmlan serial data bus+
Hi spd gmlan serial data bus-
Hot at all times
Hot w/ pwr/ trn relay energized
Hvac control module (center of dash)
Inclr fuse 10a
Left cooling fan (left side of radiator)
Lo ref
Lo spd cooling fan rly ctrl
Lo spd gmlan serial data
Pnk
Power distribution system
Right cooling fan (right side of radiator)
Tan
Underhood fuse block (right front of engine compt)
X130

CRUISE CONTROL

Cruise Control Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Cruise Control Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(or 1550)
(or 5380)
(or 5381)
(or 5382)
(or tan)
(top of brake pedal)
5v ref 3/5v ref 1
5v ref 4/5v ref 2
6.2l
A/t
App sens 1 sig
App sens 2 sig
Batt positive volt
Bcm 6 & 7 fuse 10a
Body control module (bcm) (center of dash)
Brake pedal position sensor
Brk sens low ref
Brk sens sig
Brk sens sply volt
Computer data lines system
Cruise ctrl ind sig
Cruise ctrl sw sig
Cruise ind
Ctrl sply volt
Driver information center display (dic)
Ecm fuse 15a
Engine control module (ecm) (6.2l: right rear of engine compt) (except 6.2l: left front of engine compt)
Except 6.2l
G132 (top right of engine)
G201 (right kick panel)
Gnd
Hot at all times
Hot w/ pwr/trn relay energized
Instrument panel cluster (ipc)
Logic
Low ref
M/t
Power distribution system
Rear fuse block (right rear of luggage compt)
Sens low ref
Sens sig position
Sens volt ref 1
Serial data
Serial data +
Serial data -
Stop lamp sw sig
Tac motor ctrl close
Tac motor ctrl open
Tan
Toss/brake vac rly fuse 10a
Tp sens 1 sig
Tp sens 2 sig
Under hood fuse block (right front of engine compt)
Vehicle spd sens
Vehicle speed sensor (vss) (except 6.2l, m/t) (left rear of transmission)
Vss hi sig
Vss high sig
Vss low ref
X104
X202
X225
X260

Cruise Control Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Cruise Control Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(above accelerator pedal) accelerator pedal position (app) sensor
(left rear of transmission) (6.2l m/t) vehicle speed sensor (vss)
(or tan)
(top center front of engine) (6.2l) throttle body
(top center front of engine) (except 6.2l) throttle body
(top of clutch pedal assembly) clutch pedal position (cpp) sensor
6.2l
Automatic transmission
Automatic transmission input shaft speed (iss) sensor
Automatic transmission ouput shaft speed (oss) sensor
Cancel
Computer data lines system
Control solenoid valve assembly
Cruise ind
Cruise switch
Except 6.2l
Inflatable restraint steering wheel module coil (top of steering column)
Iss sig
Iss/oss ctrl
J127
J285 (a/t) (steering column harness, near branch for body control module)
Left steering wheel control switch
Oss sig
Red
Res +
Ser data bus +
Ser data bus -
Set -
Sound systems
Tan
Transmission control module (tcm)
Transmissions system
X104
X105
X240

DEFOGGERS

Defoggers Wiring Diagram for Cadillac CTS V 2012

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List of elements for Defoggers Wiring Diagram for Cadillac CTS V 2012:

60a
Batt positive volt
Battery positive
Computer data lines system
Coupe
Dr/lck fuse 15a x1
Driver door lock/window switch
Driver outside rearview mirror (at mirror)
G104 (near right headlight)
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
G402 (left rear shock tower)
G408 (top of right "d" pillar)
Gmlan serial data
Gmlan serial data x1
Ground
Heated mirror element
Hot at all times
Hvac control module (center of dash)
J505
J510
J610
Left rear window defogger noise filter
Logic
Low speed gmlan serial data
Nca
Passenger door lock/window switch
Passenger outside rearview mirror (at mirror)
Pdm fuse 15a x2
Radio/hvac controls
Rear defog fuse 40a
Rear defog relay
Rear defog rly ctrl
Rear defogger grid inline fuse
Rear defogger ind
Rear defogger switch
Rear fuse block (right rear of luggage compt)
Rear window defogger grid
Rear window defogger noise coil
Rear window defogger relay
Right rear window defogger noise filter
Sedan
Sedan & coupe
Sedan & wagon
Sply volt
Tan
Underhood fuse block (right front of engine compt)
Wagon
X163
X225
X500
X501
X505
X600
X601
X605
X902

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Cadillac CTS V 2012

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List of elements for Electronic Power Steering Wiring Diagram for Cadillac CTS V 2012:

(right front of engine compt)
12v ref
6.2l
Abs fuse 30a
Actr sply volt
Batt positive volt
Can bus high
Can bus low
Computer data lines system
Driver information center (dic) display
Electronic brake control module (ebcm) (right front corner of engine compt)
G102
G110 (near abs module)
Gnd
Hot at all times
Ign
Instrument panel cluster (ipc)
J205
Logic
Low speed gmlan serial data
Serial data bus +
Serial data bus -
Steering actr ctrl
Steering wheel position sensor (top of steering column)
Tan
Underhood fuse block (right front of engine compt)
Variable effort steering actuator (power steering rack assembly)
X104
X107 b
X202

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Cadillac CTS V 2012

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List of elements for Electronic Suspension Wiring Diagram for Cadillac CTS V 2012:

Batt
Battery voltage
Computer data lines system
Display fuse 10a
Driver information center (dic) display
Electronic suspension control (esc) module (left side of luggage compt)
G402 (left rear shock tower)
Gmlan ser data +
Gmlan ser data -
Gmlan serial data
Ground
Hot at all times
Instrument panel cluster (ipc)
Left front shock absorber actuator (top of left front shock)
Left front suspension position sensor (in left front strut tower)
Left rear shock absorber actuator (top of left rear shock)
Left rear suspension position sensor (in left rear strut tower)
Lf damper ctrl
Lf damper lo ref
Lf position sens
Lf sens vol ref
Lf sensor low ref
Lo spd gmaln serial data
Logic
Lr damper lo ref
Lr damping ctrl
Lr position sens
Lr sens vol ref
Lr sensor low ref
Mrrtd fuse 30a
Nca
Power distribution system
Radio/hvac control
Rf damper ctrl
Rf damper lo ref
Rf position sens
Rf sens vol ref
Rf sensor low ref
Ride control switch
Right front shock absorber actuator (top of right front shock)
Right front suspension position sensor (in right front strut tower)
Right rear shock absorber actuator (top of right rear shock)
Right rear suspension position sensor (in right rear strut tower)
Rr damper lo ref
Rr damping ctrl
Rr position sens
Rr sens vol ref
Rr sensor low ref
Spd data comm enable
Tan
Underhood fuse block (right front of engine compt)
X163
X165
X180

ENGINE PERFORMANCE

3.0L VIN 5

3.0L VIN 5, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS V 2012:

(above accelerator pedal) accelerator pedal position (app) sensor
(on a/c refrigerant line) a/c refrigerant pressure sensor
(top of clutch pedal assembly) clutch pedal position (cpp) sensor
5-v 1 ref
5-v 3 ref
5-v vol 1 ref
5-v vol 4 ref
5-volt ref 2
A/c compressor clutch rly ctrl
A/c refrigerant pressure sens sig
Absolute pressure sens
Air conditioning system
App sens 1 sig
App sens 2 sig
Batt pos vol
Computer data lines system
Cooling fan rly ctrl
Cooling fans system
Cruise control system
E x420
Engine control module (ecm) (left front of engine compt)
Evap conister vent sol ctrl
Evaporative emission (evap) canister vent solenoid valve (left rear of fuel tank)
Fuel level sens sig
Fuel level sensor assembly (in fuel tank)
Fuel pump
Fuel pump & sender assembly (in fuel tank)
Fuel pump rly ctrl
Fuel tank pressure (ftp) sensor (in fuel tank)
Fuel tank pressure sensor sig
Gmlan serial data bus +
Gmlan serial data bus -
Ign vol
J400 (fuel tank harness, near inline connector x420)
Low ref
Low speed cooling fan rly ctrl
Manual transmission clutch position sens sig position
Manual transmission clutch position sensor return
Mil ctrl
Nca
Pnk
Primary fuel level sensor
Pwr/trn relay control
Pwr/trn relay voltage
Secondary fuel level sens sig
Secondary fuel level sensor
Sens low ref
Starter relay coil control
Starting/charging system
Stop lamp switch signal
Tan
Wake-up sig
X101
X104
X105
X105 computer data lines system
X240
X402
X420

3.0L VIN 5, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS V 2012:

(in fuel tank) fuel pressure sensor
5-v ref
Batt vol
Cnstr/ vent fuse 10a
Computer data lines system
Data bus +
Data bus -
Drain wire
Driver information center (dic)
Ecm fuse 15a
Ecm fuse 20a
Ecm/ tcm ign fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Engine coolant temperature sensor (left side of cylinder head)
Even coils fuse 15a
Exhaust bank 1 camshaft position (cmp) actuator solenoid valve (right front of cylinder head)
Fuel pump
Fuel pump flow control module (right rear of luggage compt)
Fuel pump fuse 20a
G402 (left rear shock tower)
Gnd
Hot at all times
Hot w/ ign 1 relay energized
Ign volt
Instrument panel cluster (ipc)
Intake bank 2 camshaft position (cmp) actuator solenoid valve (left front of cylinder head)
Lines system computer data
Lo spd gmlan
Logic
Low ref
Malfunction ind lamp (mil)
Nca
Odd coils fuse 20a
Pnk
Power
Power distribution system
Pwr/ trn relay
Rear fuse block (right rear of luggage compt)
Relay ctrl
Sens sig
Serial data
Sply
System data lines computer
System distribution
Tan
Toss/ brk vac rly fuse 10a
Underhood fuse block (right front of engine compt)
W/ electronically operated parking brake
Wagon
Wagon w/o electronically operated parking brake
X104
X200
X225
X402
X420
X440

3.0L VIN 5, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS V 2012:

(ignition coil/module harness, near inline connector x131) j165
(top of left cylinder bank)
(top of right cylinder bank)
5-v 1 ref
5-volt 2 ref
5-volt reference 1
Actuator hi ctrl
Actuator low ref
Ckp sensor signal
Ect sens sig
Engine control module (ecm) (left front of engine compt)
Engine oil pressure (eop) sensor (in oil filter housing)
Exhaust bank 1 sig
Exhaust bank 2
Exhaust bank 2 sig
G130 (right rear of cylinder head)
G131 (left rear of engine)
High pressure fuel pump
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Intake bank 1 camshaft position (cmp) actuator solenoid valve (right front of cylinder head)
Intake bank 1 sig
Intake bank 2
Intake bank 2 sig
J161
J162
J166 (near inline connector x132)
Low ref
Low reference
Nca
Oil press sens sig
Spark plug
Tan

3.0L VIN 5, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS V 2012:

(top of left cylinder bank) fuel injector 1
(top of left cylinder bank) fuel injector 3
(top of left cylinder bank) fuel injector 5
(top of right cylinder bank) fuel injector 2
(top of right cylinder bank) fuel injector 4
(top of right cylinder bank) fuel injector 6
(top right side of engine) evaporative emission (evap) canister purge solenoid valve
5-v 1 ref
Crankshaft position (ckp) sensor (right side of engine)
Engine control module (ecm) (left front of engine compt)
Exhaust bank 1 camshaft position (cmp) sensor (right front of cylinder head)
Exhaust bank 2 camshaft position (cmp) actuator solenoid valve (left front of cylinder head)
Exhaust bank 2 camshaft position (cmp) sensor (front of left cylinder head)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
G132 (top right of engine)
Gnd
Intake bank 1 camshaft position (cmp) sensor (right front of cylinder head)
Intake bank 2 camshaft position (cmp) sensor (left front of cylinder head)
Low ref
Tan
X160
X161

3.0L VIN 5, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS V 2012

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS V 2012:

(left exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
(left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
(left rear of transmission) (m/t) vehicle speed sensor (vss)
(right exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(top right of engine) g132
5-v 1 ref
5-v 3 ref
5-v 4 ref
A tan
Air temp sens sig
Backup lamp sw
C tan
Duty cycle sig
Engine control module (ecm) (left front of engine compt)
Exterior lights system
Frp sens sig
Fuel rail pressure (frp) sensor
G132 (top right of engine)
Gnd
Ho2s high sig
Ho2s htr low ctrl
Ho2s low sig
Ho2s ref volt
Humidity sens sig
Knock sens 1 sig
Knock sens 2 sig
Knock sensor (ks) 1 (right side of engine block)
Knock sensor (ks) 2 (left side of cylinder bank)
Low ref
Low reference
Maf sens sig generator turn on sig low ref
Manifold absolute pressure sensor (map) (top of engine)
Map sens sig
Multifunction intake air sensor (attached to the air cleaner assembly)
Purge sol ctrl
Ref volt
Sens sig
Starting/charging system
Tac mtr ctrl-1
Tac mtr ctrl-2
Tan
Throttle body (front center of engine)
Tp sens 2 sig
Transmission park/ neutral signal
Transmissions system
Vehicle sped sen
X160

3.6L VIN 3

3.6L VIN 3, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS V 2012:

(above accelerator pedal) accelerator pedal position (app) sensor
(on a/c refrigerant line) a/c refrigerant pressure sensor
(top of clutch pedal assembly) clutch pedal position (cpp) sensor
5-v 1 ref
5-v 3 ref
5-v vol 1 ref
5-v vol 4 ref
5-volt ref 2
A/c compressor clutch rly ctrl
A/c refrigerant pressure sens sig
Absolute pressure sens
Air conditioning system
App sens 1 sig
App sens 2 sig
Batt pos vol
Computer data lines system
Cooling fan rly ctrl
Cooling fans system
Cruise control system
E x420
Engine control module (ecm) (left front of engine compt)
Evap conister vent sol ctrl
Evaporative emission (evap) canister vent solenoid valve (left rear of fuel tank)
Fuel level sens sig
Fuel level sensor assembly (in fuel tank)
Fuel pump
Fuel pump & sender assembly (in fuel tank)
Fuel pump rly ctrl
Fuel tank pressure (ftp) sensor (in fuel tank)
Fuel tank pressure sensor sig
Gmlan serial data bus +
Gmlan serial data bus -
Ign vol
J400 (fuel tank harness, near inline connector x420)
Low ref
Low speed cooling fan rly ctrl
Manual transmission clutch position sens sig position
Manual transmission clutch position sensor return
Mil ctrl
Nca
Pnk
Primary fuel level sensor
Pwr/trn relay control
Pwr/trn relay voltage
Secondary fuel level sens sig
Secondary fuel level sensor
Sens low ref
Starter relay coil control
Starting/charging system
Stop lamp switch signal
Tan
Wake-up sig
X101
X104
X105
X105 computer data lines system
X240
X402
X420

3.6L VIN 3, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS V 2012:

(in fuel tank) fuel pressure sensor
5-v ref
Batt vol
Cnstr/ vent fuse 10a
Computer data lines system
Data bus +
Data bus -
Drain wire
Driver information center (dic)
Ecm fuse 15a
Ecm fuse 20a
Ecm/ tcm ign fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Engine coolant temperature sensor (left side of cylinder head)
Even coils fuse 15a
Exhaust bank 1 camshaft position (cmp) actuator solenoid valve (right front of cylinder head)
Fuel pump
Fuel pump flow control module (right rear of luggage compt)
Fuel pump fuse 20a
G402 (left rear shock tower)
Gnd
Hot at all times
Hot w/ ign 1 relay energized
Ign volt
Instrument panel cluster (ipc)
Intake bank 2 camshaft position (cmp) actuator solenoid valve (left front of cylinder head)
Lines system computer data
Lo spd gmlan
Logic
Low ref
Malfunction ind lamp (mil)
Nca
Odd coils fuse 20a
Pnk
Power
Power distribution system
Pwr/ trn relay
Rear fuse block (right rear of luggage compt)
Relay ctrl
Sens sig
Serial data
Sply
System data lines computer
System distribution
Tan
Toss/ brk vac rly fuse 10a
Underhood fuse block (right front of engine compt)
W/ electronically operated parking brake
Wagon
Wagon w/o electronically operated parking brake
X104
X200
X225
X402
X420
X440

3.6L VIN 3, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS V 2012:

(ignition coil/module harness, near inline connector x131) j165
(top of left cylinder bank)
(top of right cylinder bank)
5-v 1 ref
5-volt 2 ref
5-volt reference 1
Actuator hi ctrl
Actuator low ref
Ckp sensor signal
Ect sens sig
Engine control module (ecm) (left front of engine compt)
Engine oil pressure (eop) sensor (in oil filter housing)
Exhaust bank 1 sig
Exhaust bank 2
Exhaust bank 2 sig
G130 (right rear of cylinder head)
G131 (left rear of engine)
High pressure fuel pump
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Intake bank 1 camshaft position (cmp) actuator solenoid valve (right front of cylinder head)
Intake bank 1 sig
Intake bank 2
Intake bank 2 sig
J161
J162
J166 (near inline connector x132)
Low ref
Low reference
Nca
Oil press sens sig
Spark plug
Tan

3.6L VIN 3, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS V 2012:

(top of left cylinder bank) fuel injector 1
(top of left cylinder bank) fuel injector 3
(top of left cylinder bank) fuel injector 5
(top of right cylinder bank) fuel injector 2
(top of right cylinder bank) fuel injector 4
(top of right cylinder bank) fuel injector 6
(top right side of engine) evaporative emission (evap) canister purge solenoid valve
5-v 1 ref
Crankshaft position (ckp) sensor (right side of engine)
Engine control module (ecm) (left front of engine compt)
Exhaust bank 1 camshaft position (cmp) sensor (right front of cylinder head)
Exhaust bank 2 camshaft position (cmp) actuator solenoid valve (left front of cylinder head)
Exhaust bank 2 camshaft position (cmp) sensor (front of left cylinder head)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
G132 (top right of engine)
Gnd
Intake bank 1 camshaft position (cmp) sensor (right front of cylinder head)
Intake bank 2 camshaft position (cmp) sensor (left front of cylinder head)
Low ref
Tan
X160
X161

3.6L VIN 3, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS V 2012

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS V 2012:

(left exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
(left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
(left rear of transmission) (m/t) vehicle speed sensor (vss)
(right exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(top right of engine) g132
5-v 1 ref
5-v 3 ref
5-v 4 ref
A tan
Air temp sens sig
Backup lamp sw
C tan
Duty cycle sig
Engine control module (ecm) (left front of engine compt)
Exterior lights system
Frp sens sig
Fuel rail pressure (frp) sensor
G132 (top right of engine)
Gnd
Ho2s high sig
Ho2s htr low ctrl
Ho2s low sig
Ho2s ref volt
Humidity sens sig
Knock sens 1 sig
Knock sens 2 sig
Knock sensor (ks) 1 (right side of engine block)
Knock sensor (ks) 2 (left side of cylinder bank)
Low ref
Low reference
Maf sens sig generator turn on sig low ref
Manifold absolute pressure sensor (map) (top of engine)
Map sens sig
Multifunction intake air sensor (attached to the air cleaner assembly)
Purge sol ctrl
Ref volt
Sens sig
Starting/charging system
Tac mtr ctrl-1
Tac mtr ctrl-2
Tan
Throttle body (front center of engine)
Tp sens 2 sig
Transmission park/ neutral signal
Transmissions system
Vehicle sped sen
X160

6.2L VIN P

6.2L VIN P, Engine Performance Wiring Diagram (1 of 6) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (1 of 6) for Cadillac CTS V 2012:

(center of dash) body control module (bcm)
(not used)
5 volt ref 1
5-volt ref 1
5-volt ref 2
A/c compressor rly ctrl
Acc wakeup serial data
Accelerator pedal position (app) sensor (above accelerator pedal)
Air conditioning system
App sens 2 sig
App sens sig
Cnstr/ vent fuse 10a
Computer data lines system
Cooling fans system
Ecm fuse 15a
Ecm/tcm ign fuse 15a
Engine control module (ecm) (right rear of engine compt)
Evaporative emissions (evap) canister vent solenoid valve (left rear of fuel tank)
Fan rly ctrl
Ftp sig
Fuel level sensor assembly (in fuel tank)
Fuel lvl sens sig
Fuel tank pressure (ftp) sensor (right rear of fuel tank)
Hot at all times
Hot w/ ign 1 relay energized
Ign 1 volt
J400 (fuel tank harness, near inline connector x420)
Lo ref
Low ref
Main rly ctrl
Mil ctrl
Nca
Pnk
Pnk b
Power distribution system
Primary fuel level sensor (in fuel tank)
Primary fuel rly ctrl
Rear fuse block (right rear of luggage compt)
Sec fuel lvl sens sig
Secondary fuel level sensor
Starter rly coil ctrl
Starting/ charging system
Stop lp sw sig
Supercharger air inlet press sens sig
Tan
Underhood fuse block (right front of engine compt)
Valve ctrl
X101
X104
X184
X200
X225
X420

6.2L VIN P, Engine Performance Wiring Diagram (2 of 6) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (2 of 6) for Cadillac CTS V 2012:

(left side of transmission) (m/t) skip shift solenoid
Disply fuse 10a
Ecm pwr fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Evaporative emission (evap) canister purge solenoid valve (top center front of engine)
Even coils fuse 15a
Heated oxygen sensor (ho2s) bank 1 sensor 1 (left exhaust pipe, before catalytic converter)
Heated oxygen sensor (ho2s) bank 1 sensor 2 (left exhaust pipe, after catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (right exhaust pipe, before catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 2 (right exhaust pipe, after catalytic converter)
Hot at all times
J142
J155
J185
Nca
Odd coils fuse 20a
Pnk
Power distribution system
Pwr/ trn relay
Supercharger bypass valve solenoid (top front of engine)
Tan
Underhood fuse block (right front of engine compt)

6.2L VIN P, Engine Performance Wiring Diagram (3 of 6) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (3 of 6) for Cadillac CTS V 2012:

(left rear of transmission) (m/t) reverse lockout solenoid
(right rear of engine compt) engine control module (ecm)
(right side of transmission) (m/t) backup lamp switch
5 volt ref 1
5-volt ref 1
5-volt ref 2
Actuator sig
Backup lp sw sig
Baro sens sig
Barometric pressure (baro) sensor (top left side of engine)
Clutch pedal position (cpp) sensor (m/t) (top of clutch pedal assembly)
Computer data lines system
Coolant pump ctrl
Cooling fans system
Data bus+
Data bus-
Ect sens sig
Engine control module (ecm) (right rear of engine compt)
Engine coolant temperature (ect) sensor (left front of engine)
Engine oil temp sig
Evap ctrl
G132 (top right of engine)
Generator field duty cycle signal
Generator turn on sig
Gnd
Ho2s hi sig b2s1
Ho2s hi sig b2s2
Ho2s htr lo ctrl b2s1
Ho2s htr lo ctrl b2s2
Ho2s lo sig b2s1
Ho2s lo sig b2s2
Iat sens sig
Intake air temperature (iat) sensor (top left side of engine)
Lo ref
Low ref
Manifold absolute pressure (map) sensor (top of engine)
Map sens sig
Nca
Pnk
Rly ctrl
Sens sig
Sig pos
Skip shift sig
Sol sig
Starting/ charging system
Tan
Transmissions system
Vehicle speed sensor (vss) (m/t) (left rear of transmission)
Vss low sig
X105
X240

6.2L VIN P, Engine Performance Wiring Diagram (4 of 6) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (4 of 6) for Cadillac CTS V 2012:

(on a/c refrigerant line) a/c refrigerant pressure sensor
(rear bumper fascia x420 harness, near branch to inline connector x430) j450
(right side of oil pan) engine oil level & temperature sensor
(top center rear of engine) engine oil pressure (eop) sensor
B (not used)
B pnk
Camshaft position (cmp) sensor
Computer data lines system
Crankshaft position (ckp) sensor (right rear of engine)
Fuel injectors (top of right cylinder bank)
Fuel pump & sender assembly (in fuel tank)
G132 (top right of engine)
G200 (left kick panel)
Gnd
Ign
Instrument panel cluster (ipc)
J449 (22 cm from rear body grommet)
Knock sensor (ks) 1 (lower left side of engine)
Knock sensor (ks) 2 (right side of engine)
Logic
Low engine oil pressure ind
Malfunction indicator lamp
Mass air flow sensor (maf)/ intake air temperature (iat) sensor (left front of engine compt)
Nca
Pnk
Primary fuel pump
Red
Secondary fuel pump
Serial data
Tan
X104
X136
X160

6.2L VIN P, Engine Performance Wiring Diagram (5 of 6) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (5 of 6) for Cadillac CTS V 2012:

(front center of engine) throttle body
(right rear of engine compt) engine control module (ecm)
(top front of engine) supercharger air inlet pressure sensor
(top of right cylinder bank)
5 volt ref 1
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel injectors (top of left cylinder bank)
G135 (rear of right cylinder head)
Ho2s hi sig b1s1
Ho2s hi sig b1s2
Ho2s lo sig b1s1
Ho2s lo sig b1s2
Ic 1 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 7 ctrl
Ic 8 ctrl
Ign
Ign 1 volt
Ignition coil 2
Ignition coil 4
Ignition coil 6
Ignition coil 8
J135
J137
J149
Ks 1 sig
Ks 2 sig
Low ref
Nca
Pnk
Spark plug
Tac mtr ctrl 1
Tac mtr ctrl 2
Tan
X160
X161

6.2L VIN P, Engine Performance Wiring Diagram (6 of 6) for Cadillac CTS V 2012

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (6 of 6) for Cadillac CTS V 2012:

(in fuel tank) fuel pressure sensor
(right rear of luggage compt) fuel pump flow control module
(top of left cylinder bank)
5 volt ref 1
5 volt ref 2
5v ref
Batt volt
Ckp sens sig
Cmp sens sig
Computer data lines system
Data bus +
Data bus -
Drain wire
Engine control module (ecm) (right rear of engine compt)
Fscm fuse 30a
Fuel inj 1 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Fuel inj 8 ctrl
G132 (top right of engine)
G136 (rear of left cylinder head)
G401 (right rear shock tower)
Gnd
Ho2s htr lo ctrl b1s1
Ho2s htr lo ctrl b1s2
Hot at all times
Iat sens sig
Ic 2 ctrl
Ic 3 ctrl
Ic 6 ctrl
Ign 1 volt
Ignition coil 1
Ignition coil 3
Ignition coil 5
Ignition coil 7
J136
J138
J150
J423 (15 cm from fuel system control module)
Low ref
Maf sens sig
Nca
Nication enable serial data commu-
Pnk
Rear fuse block (right rear of luggage compt)
Rly ctrl
Sens sig
Spark plug
Sply volt
Tan
Tp sens 1 sig
Tp sens 2 sig
Transmission fluid temperature sensor (right rear of transmission)
X160
X161
X420

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Cadillac CTS V 2012

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List of elements for Backup Lamps Wiring Diagram for Cadillac CTS V 2012:

(top right of engine) g132
(wagon: center of liftgate) (coupe/sedan: center of rear fascia) (if equipped) rearview camera
6.2l
Automatic transmission
Automatic transmission internal mode switch (ims)
B+ volt
Backup lamp sply volt x6
Backup lamp sw sig
Backup lamp switch (m/t) (right side of trans- mission)
Backup lamp switch (m/t) (right side of transmission)
Backup lamps sply volt
Bcm 4 fuse 10a
Body control module (bcm) (center of dash)
Compt) (6.2l: right rear of engine compt)
Computer data lines system
Control solenoid valve assembly
D red
Engine control module (ecm) (except 6.2l: left front of engine
Except 6.2l
G132 (top right of engine)
G401 (right rear shock tower)
G402 (left rear shock tower)
Gm lan ser data bus +
Gm lan ser data bus -
Hot at all times
Inside rearview mirror (isrvm)
J379 (body harness, near branch for g102)
Left backup lamp
Left tail lamp
Logic
Nca
Right backup lamp
Right tail lamp
Serial data +
Serial data -
Serial data bus +
Serial data bus -
Sig a
Sig b
Sig c
Sply volt
Tan
Trans- mission control module (tcm)
Underhood fuse block (right front of engine compt)
X109
X225
X408
X900
X903

Exterior Lamps Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(except 6.2l: left front of engine compt) (6.2l: right rear of engine compt) engine control module (ecm)
(not used)
5 volt ref 1
6.2l
A/t
Auto
Backup lamps circuit
Bcm 4 fuse 10a
Bcm 5 fuse 10a
Bcm 6 fuse 10a
Body control module (bcm) (center of dash)
Brake pedal position sensor (top of brake pedal)
Computer data lines system
Data +
Detection sig
Display fuse 10a
Except 6.2l
G101 (left front strut tower)
G102 (right front of engine compt)
G104 (near right headlight)
G200 (left kick panel)
G401 (right rear shock tower)
G402 (left rear shock tower)
Gnd
Hazard sw sig
Hazard switch
Head
Hot at all times
Instrument panel cluster (ipc)
J180
J186
J201
J205
J240
Left
Left backup lamp
Left front turn signal lamp
Left tail lamp assembly
Left tail/stop & turn signal lamp
Left turn ind
Lf turn sw sig
Logic
Low ref
Off
Park
Park lamp on sig
Radio/hvac control
Rf turn sw sig
Right
Right front turn signal lamp
Right turn ind
Sens rtn
Sens sig x1
Sens sply
Serial
Serial data
Serial data - x1
Sply volt
Sply volt x1
Stop lamp sw sig
Stp lp
Stp lp sply volt
Tan
Turn signal/ multi-function switch
Underhood fuse block (right front of engine compt)
X114
X115
X200
X202
X235

Exterior Lamps Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(forward lamp harness, near horn connector)
(forward lamp harness, near right cooling fan connector)
(wagon: license lamp harness, 20 cm from right license light) (coupe/sedan: license lamp harness, near left license lamp) j420
Backup lamps circuit
Center high mounted stop lamp (chmsl)
Coupe/sedan
G101 (left front strut tower)
G104 (near right headlight)
G401 (right rear shock tower)
G408 (top of right "d" pillar)
G408 (top of right 'd' pilar)
G904 (top of liftgate)
Hot at all times
J116
J180
J186
J430
J903
J904
Left front marker lamp
Left front park lamp
Left license lamp
Logic
Lt/pos/ lp relay
Lt/pos/lp fuse 10a
Radio antenna inductor (wagon) (top of liftgate)
Rear fuse block (right rear of luggage compt)
Right backup lamp
Right front marker lamp
Right front park lamp
Right license lamp
Right tail lamp assembly
Right tail/stop & turn signal lamp
Rt/pos/lp fuse 10a
Sedan/coupe
W/ hid
W/ variable real time damping
W/o hid
W/o variable real time damping
Wagon
X114
X115
X165
X205
X225
X260
X900
X903

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Cadillac CTS V 2012

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List of elements for Ground Distribution Wiring Diagram (1 of 5) for Cadillac CTS V 2012:

(3.0l & 3.6l) auxiliary brake booster pump
(3.0l & 3.6l) engine cooling fan resistor
(3.0l & 3.6l) ignition coil 1
(3.0l & 3.6l) ignition coil 2
(3.0l & 3.6l) ignition coil 3
(3.0l & 3.6l) ignition coil 4
(3.0l & 3.6l) ignition coil 5
(3.0l & 3.6l) ignition coil 6
(3.0l & 3.6l) multi-function intake air sensor
(6.2l) fan s/p relay
(6.2l) left engine cooling fan
(6.2l) mass air flow (maf)/ intake air temperature (iat) sensor
(a/t) automatic transmission
(except 6.2l) vehicle speed sensor (vss)
(if equipped) headlamp module
(if equipped) headlamp wash relay
(if equipped) headlamp washer fluid pump
(if equipped) left front fog lamp
(if equipped) right front fog lamp
(m/t) backup lamp switch
(right front of engine compt) underhood fuse block
(sedan) windshield washer fluid level switch
(sedan) windshield washer fluid pump
(sedan/ wagon) rear defog relay
(w/ hid)
(w/ hid) left daytime running lamp (drl)
(w/ hid) left headlamp ballast
(w/ hid) left high beam headlamp solenoid
(w/ hid) right daytime running lamp (drl)
(w/ hid) right headlamp ballast
(w/ hid) right high beam headlamp solenoid
(w/ remote engine start control) hood ajar switch
(w/o hid) left high beam headlamp
(w/o hid) left low beam headlamp
(w/o hid) right high beam headlamp
(w/o hid) right low beam headlamp
3.0l & 3.6l
6.2l
87a
A/c compressor clutch
B (w/o hid)
Battery
Battery current sensor
Brake fluid level switch
Charge air cooler (cac) coolant pump
Control solenoid valve assembly
Electronic brake control module (ebcm)
Engine control module (ecm)
Except 6.2l
F x160
From splice j201 (diagram 2 of 5)
G101 (left front strut tower)
G102 (right front of engine compt)
G104 (near right headlight)
G110 (near abs module)
G130 (rear of right cylinder head)
G131 (left rear of engine)
G132 (top right of engine)
G135 (rear of right cylinder head)
G136 (rear of left cylinder head)
G405 (right side of luggage compt)
Harness, near inline connector x114)
Headlight harness, near headlight module)
Horn assembly
I/p apo relay
Ign 1 relay
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
J135
J136
Left front marker lamp
Left front park lamp
Left front turn signal lamp
M x115
Nca
R26
Right front marker lamp
Right front park lamp
Right front turn signal lamp
Starter relay
Transmission control module
Windshield wiper motor
Wpr relay
X109
X114 m
X130 b
X161 g

Ground Distribution Wiring Diagram (2 of 5) for Cadillac CTS V 2012

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List of elements for Ground Distribution Wiring Diagram (2 of 5) for Cadillac CTS V 2012:

(awd) transfer case shift control module
(coupe) driver exterior door handle switch
(except coupe) driver door handle switch
(if equipped) pedestrian impact detection module
(w/ deluxe interior lamp package)
(w/ deluxe interior lamp package) left rear door accent lamp
(w/ deluxe interior lamp package) left rear door handle accent lamp
(w/ infotainment system) radio/ hvac display
6.2l & 3.0l
A/t shift lever
A/t shift lever position indicator
Automatic transmission shift lock control solenoid
Body control module (bcm)
Cooling
Coupe
Data link connector (dlc)
Digital video disk (dvd) control module
Dome lamp
Driver door latch
Driver door lock/ window switch
Driver information center (dic) switch
Driver outside rearview mirror
Driver seat adjuster switch
Driver seat back ventilation heating &
Driver seat bolster adjuster valve
Driver seat cushion ventilation heating &
Driver seat lumbar adjuster valve assembly
Driver seat lumbar/ bolster pump
Driver window motor
Except coupe
From inflatable restraint steering wheel module coil (diagram 5 of 5)
Front cigar lighter
Front fog lamp
G200 (left kick panel)
High beam
Horn switch
Hvac control module
I/p dimmer switch
Ignition lock cylinder control actuator
Ignition lock cylinder control switch
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
J200 (i/p harness, near inline x202)
J201 (i/p harness, near hazard switch connector)
J205 (steering column harness, near inline connector x202)
J289
J375 (driver's seat assembly harness, near inline connector x300)
J376
J505 (w/ deluxe interior lamp package) (driver's door trim harness, near branch to accent lamp)
J510 (driver's door harness, near branch to left front door speaker)
J710 (left rear door harness, near branch to inline connector x701)
J715 (left rear door trim harness, near inline connector x701)
Left i/p accent lamp
Left i/p courtesy lamp
Left rear door accent lamp
Left rear door courtesy lamp
Left rear door handle accent lamp
Left rear door handle switch (sedan or wagon)
Left rear door latch
Left rear window switch
Left steering wheel control switch
Memory seat module (msm)
Module
Nca
Park lamp
Right steering wheel control switch
Steering wheel position sensor
Theft deterrent module (tdm)
To ground g102 (diagram 1 of 5)
Turn signal
Turn signal/multi-function switch
W/ 6 speed a/t
W/ climate control seats
W/ fog lamp
W/ front seat cooling heater & deluxe steering wheel
W/ key less engine start switch
W/ memory
W/ recaro front bucket seat
W/ recaro front bucket seats
W/o memory
W/o recaro front bucket seats
X200
X201
X202
X301
X500
X505
X507
X700
X701
Yaw & lateral accelerometer sensor

Ground Distribution Wiring Diagram (3 of 5) for Cadillac CTS V 2012

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List of elements for Ground Distribution Wiring Diagram (3 of 5) for Cadillac CTS V 2012:

(coupe) passenger exterior door handle switch
(i/p harness, near hazard switch connector) j202
(if equipped) air quality sensor
(if equipped) park brake control switch
(sedan or wagon) passenger door handle switch
(w/ 8 way power adjuster passenger seat) passenger seat adjuster switch
(w/ deluxe interior lamp package) right i/p accent lamp
(w/ deluxe interior lamp package) right rear door accent lamp
(w/ deluxe interior lamp package) right rear door handle accent lamp
(w/ deluxe interior lamp) right i/p accent lamp
(w/ power lumbar control seat) passenger seat lumbar adjust switch
(w/ remote, passive entry & extended range lock control) right rear door handle switch
(wagon) radio antenna inductor
Blower motor control module
Body control module (bcm)
Center console accessory power outlet
Cooling
Courtesy lamp
Defogger noise filter
G106 (right rear of engine)
G134 (right side of engine compt)
G201 (right kick panel)
G306 (under driver's seat)
G408 (wagon) (top of right "d" pillar)
G904 (top of liftgate)
I/p compartment lamp switch
Inflatable restraint front passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
J308 (console harness, near inline connector x312)
J374 (w/ 8 way power adjuster passenger seat, power lumber control seats & climate control seats) (front passenger's seat assembly harness, near inline connector x307)
J610 (front passenger's door harness, near branch to right front door speaker)
J805 (right rear door trim harness, near branch to inline connector x801)
J810 (right rear door harness, near branch to inline connector x801)
J904
Left license lamp
Liftgate module (lgm)
Module
Nca
Passenger door latch
Passenger door latch (coupe)
Passenger door lock/ window switch
Passenger outside rearview mirror
Passenger seat back ventilation heating &
Passenger seat bolster adjuster valve
Passenger seat cushion ventilation heating &
Passenger seat lumbar adjuster valve assembly
Passenger seat lumbar/ bolster pump
Passenger window motor
Radio antenna inductor
Rear accessory power outlet
Rear window wiper motor
Right i/p
Right license lamp
Right rear door courtesy lamp
Right rear door handle switch (sedan or wagon)
Right rear door latch
Right rear window
Right rear window switch
W/ climate control seats
W/ recaro front bucket seat
W/ recaro front bucket seats
W/o recaro front bucket seats
Wagon/ sedan
X225
X260
X307
X312
X600
X605
X607
X800
X801
X903

Ground Distribution Wiring Diagram (4 of 5) for Cadillac CTS V 2012

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List of elements for Ground Distribution Wiring Diagram (4 of 5) for Cadillac CTS V 2012:

(6.2l)
(6.2l) fuel pump flow control module
(coupe)
(coupe) differential cooler pump
(coupe) rear window defogger relay
(coupe) trunk release relay
(coupe/ sedan) rear view camera
(except 6.2l)
(if equipped) garage door opener (gdo)
(if equipped) left side object sensor
(if equipped) rain sensor
(if equipped) rear object sensor control module
(if equipped) right side object sensor
(right rear of luggage compt) rear fuse block
(sedan) trunk/ relse relay
(w/ remote start) exterior rear compartment lid release switch
(w/ remote start) remote control door lock receiver (rcdlr)
(w/o remote start) remote control door lock receiver
(wagon & coupe) sunroof control module
(wagon & coupe) sunroof sunshade module
(wagon)
(wagon) 2nd row courtesy/ reading lamps
(wagon) electronic compass module
(wagon) rear window washer fluid pump relay
(wagon) right cargo lamp
(wagon) windshield washer pump relay
87a
Auxiliary power relay
Center high mounted stop lamp
Center high mounted stop lamp (chmsl)
Coupe
Coupe/ sedan
Diff- rential temp- erature switch
Exterior rear compartment lid release latch
From splice j371 (diagram 5 of 5)
Fuel pump & sender assembly
Fuel/ dr/ relse relay
G401 (right rear shock tower)
If equipped
Inside rearview mirror (isrvm)
J373 (sunroof assembly harness, near inline connector x401)
J378 (headliner harness, near branch to right sunshade)
J406 (rear fascia harness, near break out to right side object sensor)
J421 (license lamp harness, near left license lamp)
J430 (body harness, near branch to rear fuse block)
Lck relay
Left license lamp
M x402
Nca
P x402
Parking brake control module
Radio antenna indicator
Radio antenna inductor
Rear compartment lid latch
Rear window defogger
Right license lamp
Right rear window defogger noise filter
Right tail lamp
Right tail lamp assembly
Sedan
Sedan coupe
Sedan/ wagon
Stop lamp relay
Unlck relay
W/ transparent glass fixed
Wagon
X2 x2
X401
X408
X420
X425
X900

Ground Distribution Wiring Diagram (5 of 5) for Cadillac CTS V 2012

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List of elements for Ground Distribution Wiring Diagram (5 of 5) for Cadillac CTS V 2012:

(3.0l & 3.6l) fuel pump flow control module
(coupe)
(coupe/ sedan) electronic compass module
(if equipped) garage door opener (gdo)
(if equipped) rear object sensor control module
(if equipped) theft deterrent alarm siren
(sedan)
(sedan) sunroof control module
(sedan) sunroof shade module
(w/ communi- cations system)
(w/ deluxe interior lamp package) overhead console accent lamp
(w/ infotainment system) radio/ hvac display
(w/ infotainment system) television tuner
(w/ premium audio) rear subwoofer speaker
(w/ transparent glass fixed) sunroof shade switch
(w/ transparent glass fixed) sunroof switch
(wagon) cargo accessory power outlet
(wagon) left cargo lamp
(wagon) rain sensor
Audio amplifier
Auxiliary body control module (xbcm)
B x1
Coupe
Coupe/ sedan
Electronic suspension control (esc) module
G402 (left rear shock tower)
G406 (top of left "d" pillar)
G901 (top left of liftgate)
G902 (wagon) (top left of liftgate)
G903 (wagon) (top right of liftgate)
Heated steering wheel
Heated steering wheel control module
Inflatable restraint steering wheel module coil
Inside rear view mirror (isrvm)
J240 (i/p harness, near inline connector x200)
J288
J371 (headliner harness, near branch to left sunshade)
J372 (headliner harness, near branch to right sunshade)
J378 (w/ garage door opener) (headliner harness, near branch to right sunshade)
Left front courtesy/ reading lamps
Left rear courtesy/ reading lamps
Left sunshade
Left tail lamp assembly
Nca
Radio
Radio/ hvac control
Rear view camera
Rear window defogger
Rear window defogger noise coil
Right front courtesy/ reading lamps
Right rear courtesy/ reading lamps
Right sunshade
Theft deterrent alarm
To ground g200 (diagram 2 of 5)
To ground g401 (diagram 4 of 5)
Vehicle communication interface module (vcim) (if equipped)
W/ continuously variable real time damping magneto rheologicoy
W/ rear view camera
W/o rear view camera
Wagon
X200
X206
X215 e
X401
X406
X901
X903

HEADLIGHTS

Adaptive Front Lighting Wiring Diagram for Cadillac CTS V 2012

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List of elements for Adaptive Front Lighting Wiring Diagram for Cadillac CTS V 2012:

(forward lamp nca harness, near inline connector x115) j175
(near right headlight) g104
Afs fuse 15a
Batt + volt
Computer data lines system
Data bus+
Data bus-
Forward lighting system
Gnd
Headlamp control module (front of engine compt)
Hot at all times
J170 (forward lamp harness, near headlight module)
J172 (forward lamp harness, near headlight module)
J174 (forward lamp harness, near inline connector x114)
Left adaptive forward lighting (afl) motor
Left headlamp
Mtr lo ref
Mtr sig 1
Mtr sig 2
Mtr sig 3
Mtr sig 4
Nca
Pnk
Right adaptive forward lighting (afl) motor
Right headlamp
Serial data
Tan
Underhood fuse block (right front of engine compt)
X114
X115

Headlamps Wiring Diagram, with High Intensity Discharge for Cadillac CTS V 2012

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List of elements for Headlamps Wiring Diagram, with High Intensity Discharge for Cadillac CTS V 2012:

(drl)
(forward lamp harness, near branch for rear headlight leveling sensor)
(near right headlight)
Ambient light/ sunload sensor (top center of dash)
Auto
Ballast
Body control module (bcm) (center of dash)
Computer data lines system
Drl lo beam relay
Drl rt fuse 7.5a
Drl sply volt
Drl/lt lo beam fuse 15a/7.5a
Flash to pass sw
Fog
Fog lamp sw
Fog lamps indicator
Front fog lamp relay
Frt fog fuse 15a
G101 (left front strut tower)
G104
G104 (near right headlight)
G200 (left kick panel)
Gmlan serial data
Hdlmps off
Hdlmps on
Hdlp dimmer sw
Hdlp rly ctrl
Head
Hi beam relay
High beam indicator
High beam solenoid
Hot at all times
Hvac control module (center of dash)
Instrument panel cluster (ipc)
J176 (forward lamp harness, near branch to right headlight motor)
J178
J180
J186
J205
Left daytime running lamp
Left front fog lamp
Left headlamp assembly
Light sensor sig
Lines system computer data
Lo ref
Logic
Low beam sply volt
Lt drl relay
Lt hi beam fuse 10a
Lt lo beam fuse 10a/15a/ 20a
Off
Park
Park brake sw sig
Park brake switch (on park brake assembly)
Pnk
Right daytime running lamp
Right front fog lamp
Right headlamp assembly
Rly & ind ctrl
Rly ctrl
Rt drl relay
Rt hi beam fuse 10a
Rt lo beam fuse 10a/20a
Serial data
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Turn signal/ multi-function switch
Underhood fuse block (right front of engine compt)
Windshield sw sig
Wiper/washer system
Wsw/drl fuse 10a
X114
X115
X115 f
X202
X204

Headlamps Wiring Diagram, without High Intensity Discharge for Cadillac CTS V 2012

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List of elements for Headlamps Wiring Diagram, without High Intensity Discharge for Cadillac CTS V 2012:

(near right headlight)
Ambient light/ sunload sensor (top center of dash)
Auto
Body control module (bcm) (center of dash)
Computer data lines system
Drl relay
Drl rt fuse 7.5a
Flash to pass sw
Fog
Fog lamp indicator
Fog lamp sw
Front fog lamp relay
Frt fog fuse 15a
G101 (left front strut tower)
G104
G104 (near right headlight)
G200 (left kick panel)
Gmlan serial data
Hdlmps off
Hdlmps on
Hdlp dimmer sw
Hdlp rly ctrl
Head
Hi beam relay
High beam indicator
Hot at all times
Hvac control module (center of dash)
Instrument panel cluster (ipc)
J117
J180
J186
J205
Left front fog lamp
Left high beam headlamp
Left low beam headlamp
Light sensor sig
Lo beam drl fuse 15a/ 7.5a
Lo beam relay
Lo beam sply volt
Lo ref
Logic
Lt hi beam fuse 10a
Lt lo beam fuse 10a/15a/ 20a
Off
Park
Park brake sw sig
Park brake switch (on park brake assembly)
Pnk
Right front fog lamp
Right high beam headlamp
Right low beam headlamp
Rly & ind ctrl
Rly ctrl
Rt hi beam fuse 10a
Rt lo beam fuse 10a/20a
Serial data
Splice pack jx201 (body harness, near left front inflatable restraint side impact sensor)
Turn signal/ multi-function switch
Underhood fuse block (right front of engine compt)
Windshield sw sig
Wiper/washer system
X114
X115
X202
X204

Headlamps Leveling Wiring Diagram for Cadillac CTS V 2012

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List of elements for Headlamps Leveling Wiring Diagram for Cadillac CTS V 2012:

Afs fuse 15a
Batt + volt
Computer data lines system
Data bus+
Data bus-
Front headlamp leveling sensor (w/o variable real time damping) (in right front strut tower)
G104 (near right headlight)
Gnd
Headlamp control module (front of engine compt)
Hot at all times
J170 (forward lamp harness,
J171 (forward lamp harness, near headlight motor)
J172 (forward lamp harness, near headlight module)
J173 (forward lamp harness, near headlight motor)
Left headlamp
Left headlamp leveling actuator
Lh hdlp levl mtr lo ref
Lh headlamp levl mtr
Nca
Near headlight module)
Rear headlamp leveling sensor (w/o variable real time damping) (in right rear strut tower)
Rh frt susp pos sens volt ref
Rh frt susp position sen sig
Rh hdlp levl mtr lo ref
Rh headlamp levl mtr
Rh rr susp position sen sig
Rht frt susp pos sens lo ref
Right headlamp
Right headlamp leveling actuator
Rr susp position sens lo ref
Serial data comm enable
Tan
Underhood fuse block (right front of engine compt)
X165

HORN

Horn Wiring Diagram for Cadillac CTS V 2012

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List of elements for Horn Wiring Diagram for Cadillac CTS V 2012:

(left front strut tower)
Body control module (bcm) (center of dash)
G101
G102 (right front of engine compt)
High note horn
Horn assembly (left front of engine compt)
Horn fuse 15a
Horn relay
Horn relay ctrl
Horn switch
Hot at all times
Inflatable restraint steering wheel module coil (top of steering column)
J235 (i/p harness, near branch for clutch pedal position sensor)
J289
Low note horn
Tan
Underhood fuse block (right front of engine compt)
X202

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(left kick panel) g200
(on brake fluid reservoir) brake fluid level switch
Abs ind
Air bag ign fuse 10a
Air bag ind
Batt pos volt
Boost gauge (6.2l)
Brake ind
Charge ind
Computer data lines system
Computer data lines system transmissions system
Coolant temperature gauge (except 6.2l)
Cruise ind
Disply fuse 10a
Down
Driver door latch assembly (driver's door)
Driver door lock/ window switch
Driver information center (dic) display
Driver information center (dic) switch
Ecm/tcm ign fuse 15a
Engine coolant temperature ind
Fasten safety belt ind
Front fog lamp ind
Fuel level gauge
G102 (right front of engine compt)
G200 (left kick panel)
G651
Ground
High beam ind
Hot at all times
Hot w/ ign1 relay energized
Ign
Ign 1 volt
Illumination (4 bulbs)
Ind ctrl
Instrument panel cluster (ipc)
Interior lights system
J200
J201
J510
J710
Left rear door latch (left rear door)
Left turn ind
Lf door ajar
Lo ref
Lo spd gmlan oil temp sens sig
Logic
Low tire pressure ind
Malfunction ind
Menu sw sig oil temp sens 5-v ref lo spd gmlan
Network 1
Oil level ind
Park ind
Persona- lization
Pnk
Power distribution system
Right turn ind
Security ind
Serial data
Set/ reset
Speedometer
Sw sig
Tachometer
Tan
Tow/haul ind
Traction control off ind
Transmissions system
Trip/ fuel
Trip/ odometer
Underhood fuse block (right front of engine compt)
Vehicle information
Vsc ind
Wiper/washer system
X200
X505
X700 b1

Instrument Cluster Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(coupe/sedan)
(fuel tank harness, near inline connector x420) j400
(not used)
(or 1500)
(or 2705)
(or 2755)
(or 2761)
(or 851)
(or tan)
(wagon)
5-volt ref 1
6.2l
6.2l except 6.2l
Batt pos volt
Body control module (bcm) (center of dash)
Clock
Computer data lines system
Display
Ect sens sig
Electronic compass module (coupe/sedan: left side of rear shelf) (wagon: center front of luggage compt)
Eng oil level sw sig
Engine control module (ecm) (except 6.2l: left front of engine compt) (6.2l: right rear of engine compt)
Engine controls system
Engine coolant temperature sensor (6.2l: left front of engine) (except 6.2l: side of left cylinder head)
Engine oil level & temperature sensor (right side of oil pan)
Engine oil pressure (eop) sensor (except 6.2l: in oil filter housing) (6.2l: top center rear of engine)
Except 6.2l
Fuel level sens sig
Fuel level sensor assembly (in fuel tank)
Fuel pump & sender assembly (in fuel tank)
G132 (top right of engine)
G201 (right kick panel)
G401 (right rear shock tower)
G402 (left rear shock tower)
Gnd
Ground
Hi spd gmlan serial data bus+
Hi spd gmlan serial data bus-
Hot at all times
Ign 1 volt
Ign 3 volt
J240
J275
J430
J610
J810
Liftgate ajar sw
Lights off
Lights on
Lo spd gmlan serial data
Local interconnect network 3
Logic
Low ref
Lr door ajar sw
Mil ctrl
Network 2
Oil press sens sig
Park brake sw sig
Park brake switch (on park brake assembly)
Passenger door latch assembly (passenger's door)
Passenger door lock/ window switch
Pnk
Power distribution system
Primary fuel level sensor
Primary fuel level sensor (in fuel tank)
Radio/hvac control
Rdo fuse 15a
Rear compartment lid latch
Rear fuse block (right rear of luggage compt)
Rf door ajar
Right rear door latch (right rear door)
Rr door ajar sw
Rvc/snsr fuse 10a
Secondary fuel level sens sig
Secondary fuel level sensor
Tan
X101
X104
X225
X235
X260
X3 b
X420
X605
X800

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(headliner harness, near branch for left rear courtesy/ reading lamp) j370
(left rear door) (sedan & wagon) left rear door latch
(right rear door) (sedan & wagon) right rear door latch
(right rear shock tower) g401
2nd row courtesy reading lamps (wagon)
Bcm 2 fuse 15a
Bcm 7 fuse 10a
Body control module (bcm) (center of dash)
Computer data lines system
Driver door latch (driver's door)
Driver door lock/window switch
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
G401 (right rear shock tower) sedan & wagon
G402 (left rear shock tower)
Hot at all times
I/p compartment lamp
I/p compartment lamp switch
Ic 2 ctrl
J200
J202
J360 (headliner harness, near inline connector x308)
J371
J372
J430
J510
J610
J710
J715
J810
Left cargo lamp (wagon)
Left front courtesy/ reading lamps
Left front door courtesy lamp
Left i/p courtesy lamp
Left rear courtesy/ reading lamps (coupe & sedan)
Left rear door courtesy lamp (sedan & wagon)
Left sunshade
Lf door ajar
Liftgate ajar sw sig x6
Lp ctrl hi
Lp ctrl l0
Lp ctrl lo
Lp rly ctrl
Lp sply volt
Lr door ajar sw
Passenger door latch (passenger's door)
Passenger door lock/window switch
Rear compartment courtesy lamp (coupe & sedan)
Rear compartment lid latch (coupe & sedan)
Rear compartment lid latch (sedan)
Rf door ajar
Right cargo lamp (wagon)
Right front courtesy/ reading lamps
Right front door courtesy lamp
Right i/p courtesy lamp
Right rear courtesy/ reading lamps (coupe & sedan)
Right rear door courtesy lamp (sedan & wagon)
Right sunshade
Rr door ajar sw
Sedan & wagon
Serial data
Underhood fuse block (right front of engine compt)
W/ deluxe interior lamp package
X225
X235
X260
X408
X505
X605
X700
X701
X800
X801

Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

Computer data lines system
Coupe
Driver door accent lamp
Driver door handle accent lamp (sedan & wagon)
Driver door lock/window switch
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Harness, near branch to accent lamp)
Ic 2 ctrl
J200
J202
J215 (i/p harness, near branch for blower motor control module)
J367 (body harness, near branch to left front inflatable restraint side impact sensor)
J371
J615 (sedan & wagon) (front passenger door trim harness, near branch to accent lamp)
J705 (left rear door trim harness, near branch to left rear door handle accent lamp)
J715
J800 (right rear door trim harness, near branch to right rear door accent lamp) b
J805
Left i/p accent lamp
Left rear door accent lamp
Left rear door handle accent lamp
Low ref
Overhead console accent lamp
Passenger door accent lamp
Passenger door handle accent lamp (sedan & wagon)
Passenger door/lock window switch
Red
Right i/p accent lamp
Right rear door accent lamp
Right rear door handle accent lamp
Sedan & wagon
Serial data
W/ deluxe interior lamp package
X207
X235
X700
X701
X800
X801

Instrument Illumination Wiring Diagram for Cadillac CTS V 2012

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List of elements for Instrument Illumination Wiring Diagram for Cadillac CTS V 2012:

(right front of engine compt)
12v ref
Auto
Batt poss volt
Bcm 2 fuse 15a
Bcm 7 fuse 10a
Body control module (bcm) (center of dash)
Computer data lines system
Courtesy lamp switch
Dimming ctrl
Driver information center (dic) switch
G102
G102 (right front of engine compt)
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Head
Hot at all times
I/p dimmer sw sig
I/p dimmer switch
Inflatable restraint steering wheel module coil (top of steering column)
J200
J201
J205
J220 (i/p harness, near branch for instrument panel cluster)
J289
J308
J368 (body harness, near branch to inflatable restraint sensing & diagnostic module)
J372
J715
J805
Left rear window
Left steering wheel control switch
Off
Park
Park brake switch (if equipped) (on park brake assembly)
Park lp sw on sig
Right rear window switch
Right steering wheel control switch
Sedan & wagon
Serial data
Str/ whl/ illum fuse 2a
Sunroof shade switch (w/ transparent glass fixed)
Sunroof switch (w/ transparent glass fixed)
Sw on sig
Sw sig
Switch
Turn signal/ multi-function switch
Underhood fuse block (right front of engine compt)
W/ electric glass tilting sunroof
W/o electric glass tilting sunroof
X202
X225
X315
X408
X700
X701
X800
X801

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for Cadillac CTS V 2012

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List of elements for Memory Mirrors Wiring Diagram for Cadillac CTS V 2012:

(left kick panel) g200
(right kick panel) g201
Computer data lines system
Dr/lck fuse 15a
Driver door lock/ window switch
Driver memory seat adjuster switch
Driver outside rearview mirror
Exit switch
Folding
Hot at all times
Hvac control module (center of dash)
J510
J610
Left
Logic
Memory 1 switch
Memory 2 switch
Memory seat module (msm) (under driver's seat)
Passenger door lock/ window switch
Passenger outside rearview mirror
Pdm fuse 15a
Rear fuse block (right rear of luggage compt)
Right
Sel left
Sel right
Serial data
W/ power folding mirror
X500
X501
X505
X600
X605

Memory Seat Wiring Diagram (1 of 3) for Cadillac CTS V 2012

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List of elements for Memory Seat Wiring Diagram (1 of 3) for Cadillac CTS V 2012:

(driver's seat assembly harness, near memory seat module) j382
(left kick panel) g200
Batt positive volt
Coupe
Down steering column tilt mtr ctrl
Driver seat horizontal motor position sensor (under driver's seat)
Driver seat lumbar horizontal motor (driver's front seat back)
Driver seat recline motor (in driver's front seat back)
Driver seat recline position sensor (under driver's front seat)
Drv horiz seat mtr position sens sig
Drv position sw high ref
Drv pwr/seat circuit breaker 25a
Drv seat cushion heated mod cool ctrl
Drv seat cushion heated mod heat ctrl
Drv seat cushion temp sens low ref
Drv seat frt vert mtr down ctrl
Drv seat frt vert mtr up ctrl
Drv seat horiz mtr forward ctrl
Drv seat horiz mtr rearward ctrl
Drv seat lumbar horiz position sens sig
Drv seat lumbar mtr forward ctrl
Drv seat lumbar mtr rearward ctrl
Drv seat recline mtr fwd ctrl
Drv seat recline mtr position sens sig
Drv seat recline mtr rwd ctrl
Drv seat rr vert mtr down ctrl
Drv seat rr vert mtr up ctrl
Drv vert seat mtr position sens sig
Gnd
Hot at all times
J362 (w/ recaro front bucket seat)
J375
J383 (driver's seat assembly harness, near driver seat adjuster switch)
Memory seat module (msm) (under driver's seat)
Memory sens high ref
Memory sens low ref
Msm fuse 75a
Pass horiz mtr pos sens sig
Pass seat cushion heated mod cool ctrl
Pass seat cushion heated mod heat ctrl
Pass seat cushion temp sens sig
Pass seat horiz mtr fwd ctrl
Pass seat horiz mtr rwd ctrl
Pnk
Pwr/clmn circuit breaker 15a
Rear fuse block (right rear of luggage compt)
Rev steering column telescope mtr ctrl
Seat cushion temp sens sig
Seats system
Sedan & wagon
Steering column telescope mtr forward
Steering column telescope sens sig
Steering column tilt sens sig
Tan
Up steering column tilt mtr ctrl
X1 a
X300
X301
X305
X309 a

Memory Seat Wiring Diagram (2 of 3) for Cadillac CTS V 2012

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List of elements for Memory Seat Wiring Diagram (2 of 3) for Cadillac CTS V 2012:

(base of steering column) (if equipped) steering column tilt/telescope actuator
(coupe) driver rear seat easy entry switch
(coupe) passenger rear seat easy entry switch
B x1
Coupe coupe
Driver seat front vertical motor (under driver front seat)
Driver seat front vertical motor position sensor (under driver's seat)
Driver seat horizontal motor
Driver seat rear vertical motor (under driver front seat)
Driver seat rear vertical motor position sensor (under driver seat)
Easy entry fuse (coupe) 2a
Hot at all times
Passenger seat horizontal motor (coupe) (passenger front seat back)
Passenger seat horizontal motor position sensor (coupe)
Pnk
Rear fuse block (right rear of luggage compt)
Sedan & wagon sedan & wagon
Tan
X201
X300
X301
X307
X308
X310
X311

Memory Seat Wiring Diagram (3 of 3) for Cadillac CTS V 2012

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List of elements for Memory Seat Wiring Diagram (3 of 3) for Cadillac CTS V 2012:

(driver's seat assembly harness, near driver seat adjuster switch) (w/ power lumbar seat control) j384
(i/p harness, near branch for instrument panel cluster) j220
(if equipped) steering column tilt/telescope switch
(right kick panel) g201
Computer data lines system
Coupe
Driver door lock/ window switch
Driver memory seat adjuster switch
Driver seat adjuster switch
Driver seat lumbar adjuster switch (if equipped)
Drv seat blower spd ctrl
Drv seat lumbar fwd sw sig
Drv seat lumbar rearward sw sig
Exit switch
Fwd rly ctrl
Fwd sw sig
Hot at all times
J222
J224
J226
J374
J385 (w/ power lumbar control seat)
Logic
Low spd gmlan serial data
Memory 1 switch
Memory 2 switch
Memory seat module (msm) (under driver's seat)
Pass pwr seat circuit breaker 25a
Pass seat blower spd ctrl
Pass seat fwd fuse (coupe)
Pass seat rwd fuse (coupe)
Passenger seat adjuster switch (coupe)
Pnk
Pwr seat frt vert dn sw sig
Pwr seat frt vert up sw sig
Pwr seat horiz forward sw sig
Pwr seat horiz rearward sw sig
Pwr seat horiz rwd sw sig
Pwr seat recline forward sw sig
Pwr seat recline rearward sw sig
Pwr seat rr vert dn sw sig
Pwr seat rr vert up sw sig
Rear fuse block (right rear of luggage compt)
Rwd rly ctrl
Rwd sw sig
Seats system
Sedan & wagon
Tan
Tilt & telescope forward sw sig
Tilt & telescope up sw sig
Tilt and telescope dn sw sig
Tilt and telescope reverse sw sig
X201
X300
X308

NAVIGATION

Blind Spot Monitoring Wiring Diagram for Cadillac CTS V 2012

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List of elements for Blind Spot Monitoring Wiring Diagram for Cadillac CTS V 2012:

Blind spot ind
Computer data lines system
Driver door lock/window switch
Driver information center (dic) display
Driver outside rearview mirror (at mirror)
Driver outside rearview mirror glass
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Ground
Hot at all times
Instrument panel cluster (ipc)
J405
J406
J510
J610
Led sig
Left side object sensor
Lo spd gmlan serial data
Logic
Low spd gmlan data
Nca
Passenger door lock/window switch
Passenger outside rearview mirror (at mirror)
Passenger outside rearview mirror glass
Pnk
Rear fuse block (right rear of luggage compt)
Right side object sensor
Sbza fuse 10a
Serial data
X425
X501
X601

Navigation Wiring Diagram, with Surround Amplifier (1 of 4) for Cadillac CTS V 2012

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List of elements for Navigation Wiring Diagram, with Surround Amplifier (1 of 4) for Cadillac CTS V 2012:

(i/p harness, near inline connector x200)
(left rear shock tower) g402
(shield
(w/ communication system wiring provision) hands free phone accommodation connector
Audio common sig
Audio drain wire
Audio mute sig
Audio out
Auxiliary audio sig
Batt+ volt
Coax
Computer data lines system
Detection sig
Drain wire
Dsply ctrl
Enable sig
G402 (left rear shock tower)
Gmlan serial data
Gnd
Ground
Hot at all times
Hot w/ ign 1 relay energized
J200
J240
J250
J275
Left audio sig
Lo level audio -
Lo level audio sig
Lo level audio sig+
Lo level audio sig-
Lo ref/ground
Logic
Microphone sig or audio sig
Misc ign fuse 10a
Nav dsply sig
Navi audio sig -
Navigation antenna (infotainment system 4, 5, 7 & 5.1) (center of dash)
Navigation antenna (w/ digital audio system s-band) (center rear of roof)
Nca
Pnk
Radio
Radio/hvac display w/ infotainment system 7, 8 & 5.1)
Rdo fuse 15a
Rear fuse block (right rear of luggage compt)
Red/
Remote enable sig
Remote radio ctrl
Right audio sig
Serial data hi
Serial data lo
Sig dsply nav
Sig enable
Tan
Underhood fuse block (right front of engine compt)
Usb
Vics1
Vics2
Vics4
Vics6
Video display ctrl
W/ infotainment system 7 & 8
W/ infotainment system 7, 8 & 5.1
W/ infotainment system 8 & 5.1
W/o hands free
W/o infotainment system 7, 8 & 5.1
Wake-up sig
X200
X205
X250

Navigation Wiring Diagram, with Surround Amplifier (2 of 4) for Cadillac CTS V 2012

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List of elements for Navigation Wiring Diagram, with Surround Amplifier (2 of 4) for Cadillac CTS V 2012:

(left rear shock tower) g402
(sedan: center rear of headliner) (wagon: top of liftgate) radio antenna module
(shield
Ante- nna
Anti-lock brakes system
Audio screen
Audio sig
Auxiliary audio jack
Batt+ volt
Cellular telephone microphone (w/ communication & infotainment)
Cellular, navigation & digital radio antenna
Center high mounted stop lamp (chmsl)
Coax
Common sig
Computer data lines system
Ctrl sig
Data bus+
Detection sig
Drain
Drain wire
Exterior lights system
Fm1
Fm2
G902 (top left of liftgate)
G903 (top right of liftgate)
Gm lan
Ground
Haz sw sig
Hot at all times
Infotainment
J240
Lo ref
Logic
Nav mtr fuse 10a
Navigation & traffic data antenna (w/ infotainment system 7) (top center of windshield)
Nca
Nca s
Pnk
Radio rear window antenna
Radio/hvac control (w/ infotainment system 1, 2 & 3
Red
Remote enable sig x2
Sedan
Serial data
Serial data hi
Serial data lo
Sig
System 1, 2, 3 & 5.1
System 7 & 8
Tan
Trac sw sig
Under- hood fuse block (right front of engine compt)
Usb
Vehicle communication interface module (vcim) (w/ onstar) (behind right rear strut tower)
W/ infotainment system 8 & 5.1
Wagon
Wake-up sig
X1 data bus- gm lan
X207
X215
X222
X235
X238
X239
X245
X250
X303
X906

Navigation Wiring Diagram, with Surround Amplifier (3 of 4) for Cadillac CTS V 2012

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List of elements for Navigation Wiring Diagram, with Surround Amplifier (3 of 4) for Cadillac CTS V 2012:

(center of dash) body control module (bcm)
(left rear shock tower) g402
(overhead console)
(steering wheel harness)
Audio amplifier (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Audio mute sig
Batt+ volt
Computer data lines system
Cruise control & transmission system
Drain wire
G402 (left rear shock tower)
Gmlan serial data
Ground
Inflatable restraint steering wheel module coil (top of steering column)
J288
J290
L audio sig (+)
Left front speaker
Left steering wheel control switch
Lf speaker out +
Lf speaker out -
Lo level audio sig
Lo spd gmlan serial data
Lr speaker out +
Lr speaker out -
Mute sig
Navi audio sig
Nca
Noise compensation microphone
Phone sply volt
Pnk
R audio sig (+)
Rear sub- woofer speaker
Red
Rf speaker out +
Rf speaker out -
Right front speaker
Right steering wheel control switch
Rr speaker out +
Rr speaker out -
Sedan & coupe
Seek down
Seek up
Speaker out +
Speaker out -
Spkr out+
Spkr out-
Sply volt
Srce
Tan
Transmission system
Voice
Vol +
Vol -
W/ deluxe steering wheel
Wagon
X405
X406
X500
X600

Navigation Wiring Diagram, with Surround Amplifier (4 of 4) for Cadillac CTS V 2012

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Navigation Wiring Diagram, with Surround Amplifier (4 of 4) for Cadillac CTS V 2012:

(left rear shock tower) g402
(wagon)
Amp fuse 30a
Batt+ volt
Center i/p speaker
Coax
Computer data lines system
Coupe
Coupe & sedan
Drain wire
Exterior lights system
G401 (right rear shock tower)
G408 (top of right "d" pillar)
G904 (top of liftgate)
Ground
Hot at all times
J430
J903
Left audio sig
Left front tweeter speaker
Left rear compartment speaker
Left rear speaker
Lo spd gmlan
Nca
Onstar fuse 10a
Radio antenna inductor (wagon) (top of liftgate)
Radio audio out
Rdo/ spkr fuse 15a
Rear fuse block (right rear of luggage compt)
Right audio sig
Right front tweeter speaker
Right rear compartment speaker
Right rear speaker
Tan
Television antenna amplifier
Television rear glass antenna
Television tuner (w/ infotainment system 7 & 8)
Wagon & sedan
X200
X220
X225
X900

Navigation Wiring Diagram, without Surround Amplifier (1 of 4) for Cadillac CTS V 2012

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Navigation Wiring Diagram, without Surround Amplifier (1 of 4) for Cadillac CTS V 2012:

(i/p harness, near inline connector x200)
(w/ communication system wiring provision) hands free phone accommodation connector j
Amp fuse 30a
Antenna
Audio common sig
Audio mute sig
Audio out
Audio sig
Auxiliary audio sig
Batt+ volt
Coax
Coax antenna
Computer data lines system
Detection sig
Digital radio antenna (w/ digital audio system s-band) (center rear of roof)
Drain wire
Dsply ctrl
Enable sig
G200 (left kick panel)
G402 (left rear shock tower)
Gmlan serial data
Gnd
Ground
Hot at all times
Hot w/ ign 1 relay energized
J200
J240
J250
Left audio sig
Lf lo lvl aud sig+
Lf lo lvl aud sig-
Logic
Lr lo lvl aud sig+
Lr lo lvl aud sig-
Misc ign fuse 10a
Nav audi sig-
Nav mtr fuse 10a
Navi dsply sig
Navigation antenna (w/ infotainment system 4,5,7 & 5.1) (center of dash)
Nca
Pnk
Radio
Radio audio mute sig
Radio/ hvac display (w/ infotainment system 7, 8 & 5.1)
Rdo fuse 15a
Rear fuse block (right rear of luggage compt)
Rearview camera circuit
Remote enable sig
Remote radio ctrl
Rf lo lvl aud sig+
Rf lo lvl aud sig-
Right audio sig
Rr lo lvl aud sig+
Rr lo lvl aud sig-
Serial data hi
Serial data lo
Sig navi dsply
Tan
Underhood fuse block (right front of engine compt)
Vics1
Vics2
Vics4
Vics6
Video display ctrl
Voice recg low ref
W/ infotainment system 7 & 8
W/ infotainment system 7, 8 & 5.1
W/ infotainment system 8 & 5.1
W/o hands free
W/o infotainment system 7, 8 & 5.1
Wake-up sig
X200
X205
X235
X250

Navigation Wiring Diagram, without Surround Amplifier (2 of 4) for Cadillac CTS V 2012

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List of elements for Navigation Wiring Diagram, without Surround Amplifier (2 of 4) for Cadillac CTS V 2012:

(coupe: under rug in left rear footwell) (sedan: near base of left "c" pillar) (wagon: 17 cm from breakout to g200) j350
(left rear shock tower) g402
Ante- nna
Anti-lock brakes system
Audio screen
Audio sig
Auxiliary audio jack
Batt+ volt
Cellular telephone microphone (w/ communication & infotainment)
Cellular, navigation & digital radio antenna
Center high mounted stop lamp (chmsl)
Coax
Common sig
Computer data lines system
Ctrl sig
Data bus+
Detection sig
Drain
Drain wire
Exterior lights system
Fm1
Fm2
G902 (top left of liftgate)
G903 (top right of liftgate)
Gm lan
Ground
Haz sw sig
Infotainment
J240
Lo ref
Logic
Microphine
Navigation & traffic data antenna (w/ infotainment system 7) (top center of windshield)
Nca
Pnk
Radio antenna module (sedan: center rear of headliner) (wagon: top of liftgate)
Radio rear window antenna
Radio/hvac control (w/ infotainment system 1, 2 & 3
Red
Sedan
Serial data
Serial data hi
Serial data lo
Sig enable remote
System 1, 2, 3 & 5.1
System 7 & 8
Tan
Trac sw sig
Vehicle communication interface module (vcim) (w/ onstar) (behind right rear strut tower)
W/ infotainment system 8 & 5.1
Wagon
Wake-up sig
X1 data bus- gm lan
X2 sig
X207
X215
X222
X238
X245
X250
X303
X906

Navigation Wiring Diagram, without Surround Amplifier (3 of 4) for Cadillac CTS V 2012

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Navigation Wiring Diagram, without Surround Amplifier (3 of 4) for Cadillac CTS V 2012:

(or 1704)
(or 1794)
(or 340)
(or 346)
(or tan)
A tan
Audio amplifier (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Audio mute sig
B tan
Center i/p speaker
Coupe
G402 (left rear shock tower)
Ground
Left front door speaker
Left front tweeter speaker
Left rear speaker
Lf lo level audio sig+
Lf lo level audio sig-
Lf speaker out +
Lf speaker out -
Lr lo level audio sig+
Lr lo level audio sig-
Lr speaker out +
Lr speaker out -
Nca
Rear subwoofer speaker
Red
Remote enable sig
Rf lo level audio sig+
Rf lo level audio sig-
Rf speaker out +
Rf speaker out -
Right front door speaker
Right front tweeter speaker
Right front tweeter speaker (wagon)
Right rear speaker
Rr lo level audio sig+
Rr lo level audio sig-
Rr speaker out +
Rr speaker out -
Sedan
Sedan & coupe
Sedan & wagon
Speaker out +
Speaker out -
Tan
Wagon
X200
X225
X500
X600
X700
X701
X800
X801

Navigation Wiring Diagram, without Surround Amplifier (4 of 4) for Cadillac CTS V 2012

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List of elements for Navigation Wiring Diagram, without Surround Amplifier (4 of 4) for Cadillac CTS V 2012:

(left rear shock tower) g402
Batt+ volt
Body control module (bcm) (center of dash)
Coax
Computer data lines system
Cruise control & transmissions system
Drain wire
Exterior lights system
G401 (right rear shock tower)
G408 (top of right "d" pillar)
G904 (top of liftgate)
Ground
Hot at all times
Inflatable restraint steering wheel module coil (top of steering column)
J288
J290 (steering wheel harness)
J430
J903
Left audio sig
Left steering wheel control switch
Lo spd gmlan
Lo spd gmlan serial data
Nca
Onstar fuse 10a
Radio antenna inductor (wagon) (top of liftgate)
Radio audio out
Radio ctrl sply vol
Rear fuse block (right rear of luggage compt)
Right audio sig
Right steering wheel control switch
Sedan & coupe
Seek down
Seek up
Source
Sply volt
Steering whl ctrl sig
Television antenna amplifier
Television rear glass antenna
Television tuner (w/ infotainment system 7 & 8)
Transmissions system
Voice
Vol +
Vol -
W/ deluxe steering wheel
Wagaon
X220
X225
X900

Parking Assistant Wiring Diagram for Cadillac CTS V 2012

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List of elements for Parking Assistant Wiring Diagram for Cadillac CTS V 2012:

(or 1051)
(right rear shock tower) (sedan & wagon) g401 g402 (coupe) (left rear shock tower)
Batt positive volt
Computer data lines system
Coupe
Driver information center (dic) display
Gmlan serial data
Ground
Hot at all times
Instrument panel cluster (ipc)
J440 (rear bumper fascia harness, near branch to left rear corner object sensor)
J445 (rear bumper fascia harness, near branch to left rear middle object sensor)
Left rear corner object alarm sensor (left side of rear fascia)
Left rear middle object alarm sensor (left side of rear fascia)
Lo spd gmlan serial data
Logic
Low ref
Lr corner obj sens sig
Lr middle obj sens sig
Msm fuse 7.5a
Obj sens sply volt
Power distribution system
Rear fuse block (right rear of luggage compt)
Rear object sensor control module (coupe & sedan: right side of rear shelf) (wagon: center front of luggage compt)
Right rear corner object alarm sensor (right side of rear fascia)
Right rear middle object alarm sensor (right side of rear fascia)
Rr corner obj sens sig
Rr middle obj sens sig
Sedan/wagon
X425

Rear View Camera Wiring Diagram for Cadillac CTS V 2012

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List of elements for Rear View Camera Wiring Diagram for Cadillac CTS V 2012:

(body harness, near branch for g102) j379
(or 1051)
(or 639)
Acc volt
Bcm 5 fuse 10a
Body control module (center of dash)
Camera sig
Camera sig +
Camera sig -
Computer data lines system
Coupe & sedan
Coupe/sedan
Drain wire
Exterior lights system
G401 (right rear shock tower)
G402 (left rear shock tower)
Ground distribution system
Hot at all times
Hot w/ ign 1 relay energized
Ign volt
Inside rearview mirror (isrvm)
Isrvm fuse 7.5a
J901
Lo spd gmlan serial data
Nca
Pnk
Power distribution system
Radio
Rearview camera (center of liftgate)
Sig ground
Supp volt
Underhood fuse block (right front of engine compt)
W/ infotainment system 1/2/3
W/ infotainment system 5.1/7/8
Wagon
X220
X225
X235
X406
X408
X900
X901
X903

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (1 of 8) for Cadillac CTS V 2012:

(6.2l)
(i/p harness, near branch for radio/hvac control) j275
(right front of engine compt) underhood fuse block
(right rear of luggage compt) rear fuse block
200a
6.2l
A (except 6.2l)
Air bag fuse 10a
Amp fuse 30a
Audio amplifier
Aux/ outlet fuse 20a (wagon) sbza fuse 10a (coupe)
Battery
Bcm 1 fuse 10a
Bcm 2 fuse 15a
Bcm 3 fuse 10a
Bcm 4 fuse 10a
Bcm 5 fuse 10a
Bcm 6 & 7 fuse 10a
Body control module (bcm)
Cargo accessory power outlet
Cnstr/ vent fuse 10a
Coupe
Ecm fuse 15a
Engine control module (ecm)
Evaporative emission (evap) canister vent solenoid valve
Except 6.2l
From d ecm fuse (diagram 1 of 8)
G402 (left rear shock tower)
Generator
Generator inline fuse
Hands free phone accommodation connector
Inflatable restraint front passenger presence system (pps) sensor
Inflatable restraint sensing & diagnostic module (sdm)
Left side object sensor
Nca
Onstar fuse 10a
Premium audio branded w/ surround amplifier speaker system
Radio
Radio/ hvac control
Radio/ hvac display (infotainment system 5.1/007/008)
Rdo fuse 15a
Rdo/ spkr fuse 15a
Rear fuse block (right rear of luggage compt)
Rear subwoofer speaker
Rear/wndw circuit breaker (sedan/wagon) 15a
Red
Red/ (rear fascia harness, near breakout to x425) j405
Remote control door lock receiver (rcdlr)
Right rear window switch
Right side object sensor
Rke/ pass key/ mdl fuse 10a
Rvc fuse 2a
Starter motor
Television tuner (w/ infotainment system 007/008)
To aux/ outlet fuse (diagram 1 of 8)
To blwr fuse (diagram 3 of 8)
To liftgate module (lgm) inline fuse (diagram 8 of 8)
To rear defogger grid inline fuse (diagram 8 of 8)
To rear fuse block dr/lck fuse (diagram 3 of 8)
To rear fuse block pwr/clmn circuit breaker (diagram 2 of 8)
Vehicle communication interface module (vcim) (w/ onstar)
W/ communication system wiring provisions
W/ infotainment system 7,8 & 5.1
W/ passive entry
W/o infotainment system 7,8 & 5.1
W/o passive entry
Wagon
X104
X104 a
X200
X215
X225
X260
X307
X420 f
X425
X800
X801

Power Distribution Wiring Diagram (2 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (2 of 8) for Cadillac CTS V 2012:

(front passenger's seat assembly harness, near passenger's seat adjuster switch) j385
(right rear of luggage compt) rear fuse block
10a
Coupe
Coupe/wagon
Diff pump fuse (6.2l) 20a
Differential cooler pump relay (w/ cooling system axle)
Driver lumbar/ bolster fuse holder
Driver seat adjuster switch
Driver seat back bolster adjuster switch
Driver seat cushion bolster adjuster switch
Driver seat lumbar adjuster switch
Drv pwr seat circuit breaker 25a
From battery (diagram 1 of 8)
From pass e pwr seat circuit breaker (diagram 2 of 8)
Garage door opener (gdo) (if equipped)
Inside rearview mirror (isrvm) (if equipped)
J362
J392
Left rear window switch
Liftgate module (lgm) (wagon)
Lt/rear/ wndw circuit breaker (sedan/wagon) 15a
Memory seat module (msm)
Memory seat module (msm) (w/ memory)
Msm fuse 7.5a
Nca
Pass pwr seat circuit breaker 25a
Passenger door lock/ window switch
Passenger lumbar adjuster switch
Passenger lumbar/ bolster fuse holder
Passenger seat adjuster switch
Passenger seat back bolster adjuster switch
Passenger seat cushion bolster adjuster switch
Pdm fuse 15a
Pwr/clmn circuit breaker 15a
Rear fuse block (right rear of luggage compt)
Rear object sensor control module (w/ rear parking assist)
Red
Sedan
Sedan/wagon
Steering wheel/column tilt/ telescope switch
Stop/ lp relay
Stop/lp fuse 10a
Theft/ugdo fuse 10a
To msm fuse (diagram 2 of 8)
W/ memory
W/ power lumbar control seat
W/ rear view camera
W/ recaro front bucket seat
W/ tilt telescoping power steering column
W/o memory
W/o power lumbar control seat
W/o recaro front bucket seat
X201
X301
X307
X408
X600
X605
X700
X701
X900 a

Power Distribution Wiring Diagram (3 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (3 of 8) for Cadillac CTS V 2012:

(coupe)
(right front of engine compt) underhood fuse block
(right rear of luggage compt) rear fuse block
(sedan/wagon)
6.2l
Abs fuse 30a
Abs mtr fuse 50a
Afs fuse 15a
Blower motor control module
Blwr fuse 40a
Brake booster pump relay
Brk vac pump fuse (except 6.2l) 20a
Charge air cooler (cac) coolant pump relay (6.2l)
Coupe
Coupe/sedan
Dr/lck fuse 15a
Driver door lock/ window switch
Driver rear seat easy entry switch
Driver window motor
Easy entry fuse (coupe) 2a washer pump fuse (wagon) 10a
Electronic brake control module (ebcm)
Electronic suspension control (esc) module
Except 6.2l
From battery (diagram 1 of 8)
From bcm 6 & 7 fuse (diagram 1 of 8)
Fuel pump flow control module
Fuel pump fuse (except 6.2l) 20a
Fuel/dr/ relse relay
Headlamp module (w/ hid)
Inclr fuse 10a
Lck relay
Lt/pos/ lp relay
Mrrtd fuse 30a
Passenger rear seat easy entry switch
Passenger window motor
Ped pro fuse 10a
Pedestrian impact detection module (if equipped)
Pwr moding fuse 2a
Pwr/wndw circuit breaker 25a
Rear fog lamp relay (if equipped)
Rear fog xbcm fuse 15a
Rear window washer fluid pump relay
Rear window wiper motor
Red
S/roof fuse 30a (except 6.2l) fscm fuse 30a (6.2l)
Sedan
Sedan/wagon
Sunroof control module
Sunroof fuse (6.2l) 30a
Sunroof shade module
Theft deterrent module (tdm)
To console apo fuse (diagram 8 of 8)
To ignition switch (diagram 5 of 8)
To nav mtr fuse (diagram 4 of 8)
Trunk release relay
Trunk/ relse relay
Trunk/relse fuse (sedan & coupe) rear wiper fuse (wagon) 15a
Unlck relay
W/ keyless engine start switch
W/o keyless engine start switch
Wagon
Wagon & coupe
Windshield washer pump relay
X163
X202
X300
X308
X310
X311
X401
X402
X440
X500
X505
X600
X900 h

Power Distribution Wiring Diagram (4 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (4 of 8) for Cadillac CTS V 2012:

(6.2l)
(6.2l) (except 6.2l)
(except 6.2l)
(not used)
(right front of engine compt) underhood fuse block
A/c cltch fuse 10a
A/c compressor cltch relay
Air bag ign fuse 10a
Automatic transmission
Awd fuse 15a
Control solenoid valve assembly
Data link connector (dlc)
Differential cooler pump relay (w/ cooling system axle)
Disply fuse 10a
Drl relay (w/o hid)
Ecm/ tcm ign fuse 15a
Engine control module (ecm)
Epb module fuse 30a
Fan 1 fuse 40a 30a
Fan 1 relay
Fan 2 fuse 40a 30a
Fan 2 relay
From a/c j cltch fuse (diagram 4 of 8)
From f pwr moding fuse (diagram 3 of 8)
From h wpr fuse (diagram 4 of 8)
Front fog lamp relay
Fuel pump flow control module
G104 (near right headlight)
Hdm wash fuse 20a
Headlamp wash relay
Hi beam relay
Horn fuse 15a
Horn relay
Hvac control module
Ign 1 relay
Inflatable restraint sensing & diagnostic module (sdm)
Infotainment system 5.1/007/008
Instrument panel cluster (ipc)
Lo beam relay (w/o hid) drl lo beam relay (w/ hid)
Lt drl relay (w/ hid)
Nav mtr fuse 10a
Parking brake control module
Pnk
Radio/ hvac display
Rear defog fuse (sedan & wagon) 40a
Rear defog relay
Rt drl relay (w/ hid)
Starter relay
Strtr fuse 40a
Tcm batt fuse 15a
To bcm pin 11 (diagram 5 of 8)
To bcm pin 21 (diagram 5 of 8)
To horn fuse (diagram 4 of 8)
To ign 1 relay (diagram 4 of 8)
To isrvm fuse (diagram 7 of 8)
To pwr/trn relay (diagram 6 of 8)
Transfer case shift control module
Transfer case shift control module (if equipped)
W/ awd auto provisions
Wpr fuse 30a
Wpr hi relay
Wpr relay
Wsw drl fuse 10a
Wsw pump relay
Wsw/drl fuse 10a
X163
X200
X402

Power Distribution Wiring Diagram (5 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (5 of 8) for Cadillac CTS V 2012:

(coupe)
(wagon/ sedan)
5v ref
Acc
Acc volt
Batt pos vol
Body control module (bcm) (center of dash)
Coupe
Crank volt
Electronic compass module
From pwr moding fuse (diagram 3 of 8)
From underhood fuse block (diagram 4 of 8)
Hvac control module
Ign 1 volt
Ign 3 volt
Ignition switch
J901 (w/ rear view camera) (liftgate harness, 5 cm from g406)
Nca
Off
Off acc
Pnk
Rap fuse volt
Rear window wiper motor
Rearview camera
Remote control door lock receiver (rcdlr)
Run
Sedan/ wagon
Serial data
Start
Sunroof control module (if equipped)
Sunroof shade module (if equipped)
Theft deterrent module (tdm)
To rear fuse block (diagram 8 of 8)
To underhood fuse block (diagram 8 of 8)
W/ keyless engine start switch
W/o keyless engine start switch
Wagon
X200
X201
X225
X235
X401
X901
X903

Power Distribution Wiring Diagram (6 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (6 of 8) for Cadillac CTS V 2012:

(engine harness, near branch for underhood fuse block) j185
20a
6.2l
Brake booster pump relay (except 6.2l)
Ecm fuse 20a (except 6.2l) ecm pwr fuse 15a (6.2l)
Engine control module (ecm)
Even coils fuse 15a
Except 6.2l
From hdm k wash fuse (diagram 4 of 8)
From odd p coils fuse (diagram 6 of 8)
Fuel injector
Fuel injector 1
Fuel injector 3
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
J161
Near connector x5 of underhood fuse block) j162
Odd coils fuse 15a
Pwr/trn relay
To cigar apo fuse (diagram 8 of 8)
To emis 2 fuse (diagram 7 of 8)
To even coils fuse (diagram 6 of 8)
Toss/brk vac rly fuse 10a
Underhood fuse block (right front of engine compt)
Vehicle speed sensor (vsss) (m/t)
X160
X161

Power Distribution Wiring Diagram (7 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (7 of 8) for Cadillac CTS V 2012:

(engine harness, 23 cm from breakout to supercharger bypass valve) j155
(right front of engine compt) underhood fuse block
6.2l
A/c cmprsr cltch relay
Air quality sensor
Charge air cooler (cac) coolant pump relay
Coupe/ sedan
Digital video disc (dvd) control module
Digital video disc (dvd) control module inline fuse
Emis 1 fuse 15a
Emis 2 fuse 15a
Evaporative emission (evap) canister purge solenoid valve
Except 6.2l
Fan 1 relay
Fan 2 relay
Fan s/p relay
From air bag l ign fuse (diagram 4 of 8)
From toss/ o brk vac rly fuse (diagram 6 of 8)
Heated oxygen sensor (ho2s) bank 1 sensor 1
Heated oxygen sensor (ho2s) bank 1 sensor 2
Heated oxygen sensor (ho2s) bank 2 sensor
Heated oxygen sensor (ho2s) bank 2 sensor 1
Heated oxygen sensor (ho2s) bank 2 sensor 2
Inside rearview mirror (isrvm) (if equipped)
Isrvm fuse 7.5a
J142
J211
Mass air flow (maf)/ intake air temperature (iat) sensor
Multi- function intake air sensor
Nca
Pnk
Rearview camera (if equipped)
Red
Reverse lockout solenoid
Skip shift solenoid
Super charger bypass valve solenoid
To misc ign fuse (diagram 8 of 8)
Underhood fuse block (right front of engine compt)
W/ spo dvd
W/o spo dvd
X207
X225
X270
X900

Power Distribution Wiring Diagram (8 of 8) for Cadillac CTS V 2012

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List of elements for Power Distribution Wiring Diagram (8 of 8) for Cadillac CTS V 2012:

(body harness, near branch to inflatable restraint sensing & diagnostic module)
30a
60a
7.5a
Auxiliary power relay
Center console compartment accessory power outlet
Cigar apo fuse 20a
Console apo fuse 20a
Coupe
Driver seat back ventilation heating & cooling module
Driver seat cushion ventilation heating & cooling module
From battery (diagram 1 of 8)
From body control module pin 19 (diagram 5 of 8)
From fuel pump fuse (diagram 3 of 8)
From isrvm fuse (diagram 7 of 8)
From pwr/ trn relay (diagram 6 of 8)
Front cigar lighter
G104 (near right headlight)
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Hands free phone accommodation connector
Heated steering wheel control module
Heated steering wheel control module inline fuse
I/p apo relay
Inflatable restraint steering wheel control module coil
J200
J308
J381
Liftgate module (lgm)
Liftgate module (lgm) inline fuse (wagon)
Misc ign fuse 10a
Nca
Passenger seat back ventilation heating & cooling module
Passenger seat cushion ventilation heating & cooling module
Passenger seat cushion ventilation heating & module
Pnk
R25
R26
R27
R28
Rear accessory power outlet
Rear defogger grid inline fuse (coupe)
Rear fuse block (right rear of luggage compt)
Rear window defogger relay
Red
Sedan/wagon
Underhood fuse block (right front of engine compt)
W/ communication system
W/ deluxe steering wheel & theft deterent
W/ recaro front bucket seat
W/o deluxe steering wheel & theft deterent
W/o recaro front bucket seat
Wiring provisions
X200
X201
X206
X215
X301
X307
X308
X312
X902

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 3) for Cadillac CTS V 2012

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List of elements for Power Door Locks Wiring Diagram (1 of 3) for Cadillac CTS V 2012:

(body harness, near inline connector x700) j390
(center of dash) body control module (bcm)
(or 5797)
Antenna clock
Antenna data
Antenna low
Antenna sig
Antenna sply
Computer data lines system
Coupe
Data bus+
Data bus-
Disply fuse 10a
Door handle keyless entry antenna
Driver door handle switch (sedan/wagon)
Drv door unlck
Drv sw sig
Exterior lights system
Fuel door release actuator (w/ remote control) (right rear of luggage compt)
G102 (right front of engine compt)
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Gnd
Headliner keyless entry antenna (wagon) (center rear of roof)
Hood ajar sw
Hood ajar switch (w/ remote start)
Hood sw sig
Horn rly ctrl
Horns system
Hot at all times
Ignition sw sig
J394
J396 (body harness, near branch to inflatable restraint sensing & diagnostic module)
J430
J510
J710
J810
Left keyless entry antenna
Left rear door handle switch (sedan/wagon)
Left rear door latch (sedan/wagon) (left rear door)
Liftgate ajar sw
Low ref
Lr door ajar sw
Lr door open sw
Lr dr handle sw
Nca
Park lp sply
Pass sw sig
Pnk
Power distribution system
Rear compartment keyless entry antenna
Rear compartment lid latch
Rear fuse block (right rear of luggage compt)
Release ctrl
Remote control door lock receiver (rcdlr) (w/ passive entry) (sedan/coupe: right side of rear shelf) (wagon: left rear of roof)
Right rear door handle switch (sedan/wagon)
Right rear door latch (sedan/wagon) (right rear door)
Rke/pass key/mdl fuse 10a
Rr door ajar sw
Rr dr handle sw
Sedan
Sedan & wagon
Sedan/wagon
Serial data
Shift interlock system
Shift pos sig
Tan
Trunk, tailgate, fuel doors system
Underhood fuse block (right front of engine compt)
X235
X260
X408
X425
X500
X507
X700
X800

Power Door Locks Wiring Diagram (2 of 3) for Cadillac CTS V 2012

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List of elements for Power Door Locks Wiring Diagram (2 of 3) for Cadillac CTS V 2012:

(coupe) driver door control module
(driver's door) driver door latch
Center console active keyless entry antenna (w/ keyless entry)
Center console passive keyless entry antenna (under floor console)
Computer data lines system
Coupe
Data sig
Driver exterior door handle switch
Driver information center (dic) display
Driver interior door handle switch
G200 (left kick panel)
G201 (right kick panel)
Instrument panel cluster (ipc)
J201
J510
J517
J617
Lock sig
Logic
Low ref
Passenger door control module (coupe)
Passenger exterior door handle switch
Passenger interior handle switch
Pnk
Right keyless entry antenna
Security ind
Sedan & wagon
Sply volt
Tan
W/ passive entry
W/o passive entry
X237
X500
X505
X600
X605

Power Door Locks Wiring Diagram (3 of 3) for Cadillac CTS V 2012

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List of elements for Power Door Locks Wiring Diagram (3 of 3) for Cadillac CTS V 2012:

(or tan)
(right kick panel) g201
(right rear shock tower) g401
(sedan/wagon) lck relay
(sedan/wagon) unlck relay
(w/o deluxe interior lamp package) j510
(w/o deluxe interior lamp package) j610 (w/ deluxe interior lamp package) j605
87a
Backlight lp
Coax
Computer data lines system
Computer data lines system (or 294)
Coupe
Courtesy lp hi
Courtesy lp lo
Door latch
Door lck
Dr/lck fuse 15a
Driver door lock/ window switch
Drv door latch
Drv door lck
Drv door sw
G200 (left kick panel)
G201 (right kick panel)
G401 (right rear shock tower)
Gnd
Hot at all times
Ic 2 ctrl
Interior lights system
J505 (w/ deluxe interior lamp package)
J610
Keyless entry antenna
Lf door ajar
Lf door handle
Lf dr sw sig
Lock
Logic
Nca
Network 1
Network 2
Passenger door handle switch (sedan/wagon)
Passenger door latch (passenger's door)
Passenger door lock/ window switch
Pdm fuse 15a
Pnk
Rear fuse block (right rear of luggage compt)
Release sig
Remote control door lock receiver (rcdlr) (w/o passive entry) (coupe or sedan: right side of rear shelf) (wagon: left rear of roof)
Rf door ajar
Rf door handle
Rf dr sw sig
Right front door handle keyless entry antenna
Sedan/wagon
Serial data
Tan
Trunk, tailgate, fuel doors system
Unlock
W/ passive entry
W/o passive entry
X500
X505
X600
X605
X607

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram, with Infotainment System 1/2/3 & Rearview Camera for Cadillac CTS V 2012

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List of elements for Automatic Day/Night Mirror Wiring Diagram, with Infotainment System 1/2/3 & Rearview Camera for Cadillac CTS V 2012:

(or 851)
(w/ garage door opener) j378
Automatic day/night mirror
Batt positive volt
Computer data lines system
Data bus+
Data bus-
Display
Emergency ind
Emergency switch
G401 (coupe/sedan) (right rear shock tower)
G402 (left rear shock tower)
G402 (wagon) (left rear shock tower)
Garage door opener (gdo)
Gnd
Ground
Hot at all times
Inside rearview mirror (isrvm)
J240
Keypad green led ind
Keypad green led ind sig
Keypad red led ind
Keypad red led ind sig b+
Keypad sig
Keypad sply volt
Logic
Navigation system
On star button assembly
Onstar fuse 10a
Onstar ind
Onstar switch
Phone ind
Phone switch
Pnk
Rear fuse block (right rear of luggage compt)
Tan
Theft/ ugdo fuse 10a
Vehicle communication interface module (vcim) (behind right rear strut tower)
X200
X207
X408

Automatic Day/Night Mirror Wiring Diagram, with Infotainment System 1/2/3 without Rearview Camera for Cadillac CTS V 2012

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List of elements for Automatic Day/Night Mirror Wiring Diagram, with Infotainment System 1/2/3 without Rearview Camera for Cadillac CTS V 2012:

(body harness, near branch for g102) j379
(or 851)
(right rear shock tower) (coupe/sedan) g401
(w/ garage door opener) j378
Automatic day/night mirror
Backup lp sply volt
Batt positive volt
Body control module (bcm) (center of dash)
Computer data lines system
Data bus+
Data bus-
Emergency ind
Emergency switch
Exterior lights system
G402 (left rear shock tower)
G402 (wagon) (left rear shock tower)
Gnd
Ground
Hot at all times
Hot w/ ign 1 relay energized
Ign
Inside rearview mirror (isrvm)
Isrvm fuse 7.5a
J240
Keypad green led ind
Keypad green led sig
Keypad red led ind
Keypad red led sig
Keypad sig
Keypad sply volt
Logic
On star button assembly
Onstar fuse 10a
Onstar ind
Onstar switch
Phone ind
Phone switch
Pnk
Rear fuse block (right rear of luggage compt)
Tan
Underhood fuse block (right front of engine compt)
Vehicle communication interface module (vcim) (behind right rear strut tower)
X200
X207
X225
X408

Automatic Day/Night Mirror Wiring Diagram, with Infotainment System 5.1/7/8 for Cadillac CTS V 2012

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List of elements for Automatic Day/Night Mirror Wiring Diagram, with Infotainment System 5.1/7/8 for Cadillac CTS V 2012:

(body harness, near branch for g102) j379
(or 851)
(right rear shock tower) (coupe/sedan) g401
(w/ garage door opener) j378
Automatic day/night mirror
Backup lp sply volt
Batt positive volt
Body control module (bcm) (center of dash)
Computer data lines system
Data bus+
Data bus-
Emergency ind
Emergency switch
Exterior lights system
G402 (left rear shock tower)
G402 (wagon) (left rear shock tower)
Gnd
Ground
Hot at all times
Hot w/ ign 1 relay energized
Ign
Inside rearview mirror (isrvm)
Isrvm fuse 7.5a
J240
Keypad green led ind
Keypad green led sig
Keypad red led ind
Keypad red led sig
Keypad sig
Keypad sply volt
Logic
On star button assembly
Onstar fuse 10a
Onstar ind
Onstar switch
Phone ind
Phone switch
Pnk
Rear fuse block (right rear of luggage compt)
Tan
Underhood fuse block (right front of engine compt)
Vehicle communication interface module (vcim) (behind right rear strut tower)
X200
X207
X225
X408

Power Mirrors Wiring Diagram for Cadillac CTS V 2012

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List of elements for Power Mirrors Wiring Diagram for Cadillac CTS V 2012:

(left kick panel) g200
(right kick panel) g201
Computer data lines system
Dr/lck fuse 15a
Driver door lock/ window switch
Driver outside rearview mirror (at mirror)
Folding
Hot at all times
J510
J610
Left
Logic
Passenger door lock/ window switch
Passenger outside rearview mirror (at mirror)
Pdm fuse 15a
Rear fuse block (right rear of luggage compt)
Right
Sel left
Sel right
W/ power folding mirror
X500
X501
X505
X600
X601
X605

POWER SEATS

Driver Power Seat Wiring Diagram for Cadillac CTS V 2012

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List of elements for Driver Power Seat Wiring Diagram for Cadillac CTS V 2012:

Driver seat adjuster switch
Driver seat front vertical motor (under passenger front seat)
Driver seat horizontal motor
Driver seat rear vertical motor (under passenger front seat)
Driver seat recline motor (in passenger front seat back)
Drv pwr seat circuit breaker 25a
Front vertical
G200 (left kick panel)
Horizontal
Hot at all times
Rear fuse block (right rear of luggage compt)
Rear vertical
Recline
Tan
X301

Driver"s Lumbar Wiring Diagram for Cadillac CTS V 2012

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List of elements for Driver"s Lumbar Wiring Diagram for Cadillac CTS V 2012:

10a
Bolster in sw sig
Bolster mtr in ctrl
Bolster mtr out ctrl
Bolster out sw sig
Bolster pump
Driver lumbar/ bolster fuse holder
Driver seat back bolster adjuster switch
Driver seat bolster adjuster valve
Driver seat cushion bolster adjuster switch
Driver seat lumbar adjuster switch
Driver seat lumbar adjuster valve assembly
Driver seat lumbar/bolster pump
Drv pnr seat circuit breaker 25a
G200 (left kick panel)
Ground
Hot at all times
J361
J362
J364
J375
Lumbar down
Lumbar forward
Lumbar rearward
Lumbar up
Pnk
Rear fuse block (right rear of luggage compt)

Heated Seats Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Heated Seats Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(in passenger seat back)
(in passenger seat back) driver seat back ventilation heating & cooling module
(left kick panel)
(w/ deluxe steering wheel & theft deterent)
Batt positive volt
Computer data lines system
Coupe
Driver back heated seat element (in driver front seat back)
Driver cushion heated seat element (in driver front seat cushion)
Driver seat back ventilation heating & cooling module
Driver seat cushion ventilation
Driver seat cushion ventilation heating & cooling module
Drv seat blower spd ctrl
Drv seat cushion heated mod cool ctrl
Drv seat cushion heated mod heat ctrl
Drv seat cushion temp sens low ref
Drv seat cushion temp sens sig
G200
G200 (left kick panel)
Gnd
Heating & cooling module
Hot w/ ign 1 relay energized
J375
J381
J383
J386 (driver's seat assembly harness, near driver seat cushion ventilation heat & cool module)
Low spd gmlan serial data
Memory seat module (msm) (under driver's seat)
Memory system
Misc ign fuse 10a
Nca
Pass seat blower spd ctrl
Pass seat cushion heated mod cool ctrl
Pass seat cushion heated mod heat ctrl
Pass seat cushion temp sens sig
Passenger back heated seat element (in passenger front seat back)
Passenger cushion heated seat element (in passenger front seat cushion)
Pnk
Sedan & wagon
Sens low ref
Tan
Underhood fuse block (right front of engine compt)
W/ recaro front bucket seats
W/o recaro front bucket seats
X300
X301
X307

Heated Seats Wiring Diagram (2 of 2) for Cadillac CTS V 2012

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Heated Seats Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

& cooling module
(in passenger seat back)
(in passenger seat back) passenger seat back ventilation heating & cooling module
Computer data lines system
Coupe
Drv pwr seat circuit breaker 25a
G201 (right kick panel)
High ind
Hot at all times
J374
Left cooling switch
Left fan down switch
Left fan up switch
Left heated
Logic
Low ind
Med ind
Memory systems
Msm fuse 7.5a
Nca
Passenger seat back ventilation heating
Passenger seat cushion ventilation heating
Passenger seat cushion ventilation heating & cooling module
Pnk
Radio/hvac control (center of dash)
Rear fuse block (right rear of luggage compt)
Right cooling switch
Right fan down switch
Right fan up switch
Right heated seat high switch
Seat high switch
Seat)
Sedan/
W/ recaro front bucket seats
W/o recaro front bucket seats
W/o relaro front bucket seats
Wagon
X301
X307
X308

Heated Steering Wheel Wiring Diagram for Cadillac CTS V 2012

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List of elements for Heated Steering Wheel Wiring Diagram for Cadillac CTS V 2012:

7.5a
Body control module (center of dash)
Cruise ctrl ind dimming sig
G102 (right front of engine compt)
G200 (left kick panel)
Gnd
Heated steering wheel
Heated steering wheel control module
Heated steering wheel on ind
Heated steering wheel switch
High ctrl
Hot w/ ign 1 relay energized
Ign
Inflatable restraint steering wheel module coil (top of steering column)
Inline fuse heated steering wheel control module
J288
J289
J381
Led ctrl
Left steering wheel control switch
Misc ign fuse 10a
Nca
Pnk
Red
Sens sig
Sw sig
Underhood fuse block (right front of engine compt)
Volt ref
X201
X202
X206

Passenger Power Seat Wiring Diagram for Cadillac CTS V 2012

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List of elements for Passenger Power Seat Wiring Diagram for Cadillac CTS V 2012:

(under passenger front seat)
Front vertical
G201 (right kick panel)
Horizontal
Hot at all times
J374
J385 (w/ power lumbar seats)
Pass pwr seat circuit breaker 25a
Passenger seat adjuster switch
Passenger seat front vertical motor
Passenger seat horizontal motor (sedan/wagon)
Passenger seat rear vertical motor (under passenger front seat)
Passenger seat recline motor (in passenger front seat back)
Rear fuse block (right rear of luggage compt)
Rear vertical
Recline
Tan

Passenger"s Lumbar Wiring Diagram, with Recaro Front Bucket Seat for Cadillac CTS V 2012

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List of elements for Passenger"s Lumbar Wiring Diagram, with Recaro Front Bucket Seat for Cadillac CTS V 2012:

10a
Bolster in sw sig
Bolster mtr in
Bolster mtr out
Bolster out sw sig
Bolster pump
G201 (right kick panel)
Ground
Hot at all times
J365
J385
J392
Lumbar down
Lumbar forward
Lumbar rearward
Lumbar up
Pass pwr seat circuit breaker 25a
Passenger lumber/ bolster fuse holder
Passenger seat back bolster adjuster switch
Passenger seat bolster adjuster valve
Passenger seat cushion bolster adjuster switch
Passenger seat lumbar adjuster switch
Passenger seat lumbar adjuster valve assembly
Passenger seat lumbar/bolster pump
Pnk
Rear fuse block (right rear of luggage compt)

Passenger"s Lumbar Wiring Diagram, without Recaro Front Bucket Seat for Cadillac CTS V 2012

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List of elements for Passenger"s Lumbar Wiring Diagram, without Recaro Front Bucket Seat for Cadillac CTS V 2012:

Backward
Forkward
G201 (right kick panel)
Hot at all times
J374
J385
Pass pwr seat circuit breaker 25a
Passenger seat lumbar adjuster switch
Passenger seat lumbar horizontal motor (in passenger front seat back)
Rear fuse block (right rear of luggage compt)
X306

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram, Coupe for Cadillac CTS V 2012

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List of elements for Power Top/Sunroof Wiring Diagram, Coupe for Cadillac CTS V 2012:

(not used)
6.2l
Body control module (bcm) (center of dash)
Computer data lines system
Except 6.2l
G401 (right rear shock tower)
Gnd
Hot at all times
Interior lights system
J372
J373
J377
J397 (fuel tank harness, near inline connector x420)
Logic
Power distribution system
Rap fuse sply volt
Rear fuse block (right rear of luggage compt)
S/roof fuse 30a
Select 1
Select 2
Select return
Serial data
Serial data bus +
Serial data bus -
Sunroof fuse 30a
Sunroof module (rear of sunroof assembly)
Sunroof shade module (left rear of sunroof assembly)
Sunroof shade switch
Sunroof sw data 1
Sunroof sw data 3
Sunroof sw data 4
Sunroof sw data 6
Sunroof switch
Tan
Underhood fuse block (right front of engine compt)
X163
X200
X401
X405

Power Top/Sunroof Wiring Diagram, Sedan & Wagon for Cadillac CTS V 2012

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Power Top/Sunroof Wiring Diagram, Sedan & Wagon for Cadillac CTS V 2012:

(left rear shock tower) g402
(not used)
(or 1050)
(or 850)
(right rear shock tower) g401
6.2l
Batt pos vol
Body control module (bcm) (center of dash)
Computer data lines system
Except 6.2l
G401 (right rear shock tower)
G402 (left rear shock tower)
Ground
Hot at all times
Interior lights system
J372
J373
J377
J397 (fuel tank harness, near inline connector x420)
Logic
Power distribution system
Rap vol
Rear fuse block (right rear of luggage compt)
Red
S/roof fuse 30a
Sedan
Serial data
Serial data bus +
Serial data bus -
Sunroof fuse 30a
Sunroof module (rear of sunroof assembly)
Sunroof shade module (left rear of sunroof assembly)
Sunroof shade switch
Sunroof sw data 1
Sunroof sw data 3
Sunroof sw data 4
Sunroof sw data 6
Sunroof switch
Tan
Underhood fuse block (right front of engine compt)
Wagon
X163
X200
X401
X405
X408

POWER WINDOWS

Power Windows Wiring Diagram for Cadillac CTS V 2012

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List of elements for Power Windows Wiring Diagram for Cadillac CTS V 2012:

Batt pos volt
Batt positive volt
Body control module (bcm) (center of dash)
Computer data lines system
Coupe
Driver door lock/window switch
Driver window motor (driver's door)
G200 (left kick panel)
G201 (right kick panel)
Gnd
Hot at all times
Interior lights system
J510
J610
J715
J805
Left front window switch
Left rear window motor (left rear door)
Left rear window switch
Left rear window switch (sedan/wagon)
Lkout ctrl
Lkout rr sig
Lkout sig
Local interconnect network 1
Local interconnect network 2
Logic
Lr dn ctrl
Lr dn sig
Lr dn sw
Lr up ctrl
Lr up sig
Lt/rear/ wndw circuit breaker 15a
Passenger door lock/ window switch
Passenger window motor (front passenger's door)
Pwr/wndw circuit breaker 25a
Rear fuse block (right rear of luggage compt)
Rear/ wndw circuit breaker 15a
Right front window switch
Right rear window motor (right rear door)
Right rear window switch
Right rear window switch (sedan/wagon)
Rr dn ctrl
Rr dn sig
Rr up ctrl
Rr up sig
Sedan & wagon
Serial data
Window index- ing
Window indexing
X235
X260
X500
X505
X600
X605
X700
X701
X800
X801

RADIO

Radio Wiring Diagram, with Surround Amplifier (1 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, with Surround Amplifier (1 of 4) for Cadillac CTS V 2012:

(i/p harness, near inline connector x200)
(left rear shock tower) g402
(shield
(w/ communication system wiring provision) hands free phone accommodation connector
Audio common sig
Audio drain wire
Audio mute sig
Audio out
Auxiliary audio sig
Batt+ volt
Coax
Computer data lines system
Detection sig
Drain wire
Dsply ctrl
Enable sig
G402 (left rear shock tower)
Gmlan serial data
Gnd
Ground
Hot at all times
Hot w/ ign 1 relay energized
J200
J240
J250
J275
Left audio sig
Lo level audio -
Lo level audio sig
Lo level audio sig+
Lo level audio sig-
Lo ref/ground
Logic
Microphone sig or audio sig
Misc ign fuse 10a
Nav dsply sig
Navi audio sig -
Navigation antenna (infotainment system 4, 5, 7 & 5.1) (center of dash)
Navigation antenna (w/ digital audio system s-band) (center rear of roof)
Nca
Pnk
Radio
Radio/hvac display w/ infotainment system 7, 8 & 5.1)
Rdo fuse 15a
Rear fuse block (right rear of luggage compt)
Red/
Remote enable sig
Remote radio ctrl
Right audio sig
Serial data hi
Serial data lo
Sig dsply nav
Sig enable
Tan
Underhood fuse block (right front of engine compt)
Usb
Vics1
Vics2
Vics4
Vics6
Video display ctrl
W/ infotainment system 7 & 8
W/ infotainment system 7, 8 & 5.1
W/ infotainment system 8 & 5.1
W/o hands free
W/o infotainment system 7, 8 & 5.1
Wake-up sig
X200
X205
X250

Radio Wiring Diagram, with Surround Amplifier (2 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, with Surround Amplifier (2 of 4) for Cadillac CTS V 2012:

(left rear shock tower) g402
(sedan: center rear of headliner) (wagon: top of liftgate) radio antenna module
(shield
Ante- nna
Anti-lock brakes system
Audio screen
Audio sig
Auxiliary audio jack
Batt+ volt
Cellular telephone microphone (w/ communication & infotainment)
Cellular, navigation & digital radio antenna
Center high mounted stop lamp (chmsl)
Coax
Common sig
Computer data lines system
Ctrl sig
Data bus+
Detection sig
Drain
Drain wire
Exterior lights system
Fm1
Fm2
G902 (top left of liftgate)
G903 (top right of liftgate)
Gm lan
Ground
Haz sw sig
Hot at all times
Infotainment
J240
Lo ref
Logic
Nav mtr fuse 10a
Navigation & traffic data antenna (w/ infotainment system 7) (top center of windshield)
Nca
Nca s
Pnk
Radio rear window antenna
Radio/hvac control (w/ infotainment system 1, 2 & 3
Red
Remote enable sig x2
Sedan
Serial data
Serial data hi
Serial data lo
Sig
System 1, 2, 3 & 5.1
System 7 & 8
Tan
Trac sw sig
Under- hood fuse block (right front of engine compt)
Usb
Vehicle communication interface module (vcim) (w/ onstar) (behind right rear strut tower)
W/ infotainment system 8 & 5.1
Wagon
Wake-up sig
X1 data bus- gm lan
X207
X215
X222
X235
X238
X239
X245
X250
X303
X906

Radio Wiring Diagram, with Surround Amplifier (3 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, with Surround Amplifier (3 of 4) for Cadillac CTS V 2012:

(center of dash) body control module (bcm)
(left rear shock tower) g402
(overhead console)
(steering wheel harness)
Audio amplifier (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Audio mute sig
Batt+ volt
Computer data lines system
Cruise control & transmission system
Drain wire
G402 (left rear shock tower)
Gmlan serial data
Ground
Inflatable restraint steering wheel module coil (top of steering column)
J288
J290
L audio sig (+)
Left front speaker
Left steering wheel control switch
Lf speaker out +
Lf speaker out -
Lo level audio sig
Lo spd gmlan serial data
Lr speaker out +
Lr speaker out -
Mute sig
Navi audio sig
Nca
Noise compensation microphone
Phone sply volt
Pnk
R audio sig (+)
Rear sub- woofer speaker
Red
Rf speaker out +
Rf speaker out -
Right front speaker
Right steering wheel control switch
Rr speaker out +
Rr speaker out -
Sedan & coupe
Seek down
Seek up
Speaker out +
Speaker out -
Spkr out+
Spkr out-
Sply volt
Srce
Tan
Transmission system
Voice
Vol +
Vol -
W/ deluxe steering wheel
Wagon
X405
X406
X500
X600

Radio Wiring Diagram, with Surround Amplifier (4 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, with Surround Amplifier (4 of 4) for Cadillac CTS V 2012:

(left rear shock tower) g402
(wagon)
Amp fuse 30a
Batt+ volt
Center i/p speaker
Coax
Computer data lines system
Coupe
Coupe & sedan
Drain wire
Exterior lights system
G401 (right rear shock tower)
G408 (top of right "d" pillar)
G904 (top of liftgate)
Ground
Hot at all times
J430
J903
Left audio sig
Left front tweeter speaker
Left rear compartment speaker
Left rear speaker
Lo spd gmlan
Nca
Onstar fuse 10a
Radio antenna inductor (wagon) (top of liftgate)
Radio audio out
Rdo/ spkr fuse 15a
Rear fuse block (right rear of luggage compt)
Right audio sig
Right front tweeter speaker
Right rear compartment speaker
Right rear speaker
Tan
Television antenna amplifier
Television rear glass antenna
Television tuner (w/ infotainment system 7 & 8)
Wagon & sedan
X200
X220
X225
X900

Radio Wiring Diagram, without Surround Amplifier (1 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, without Surround Amplifier (1 of 4) for Cadillac CTS V 2012:

(i/p harness, near inline connector x200)
(w/ communication system wiring provision) hands free phone accommodation connector j
Amp fuse 30a
Antenna
Audio common sig
Audio mute sig
Audio out
Audio sig
Auxiliary audio sig
Batt+ volt
Coax
Coax antenna
Computer data lines system
Detection sig
Digital radio antenna (w/ digital audio system s-band) (center rear of roof)
Drain wire
Dsply ctrl
Enable sig
G200 (left kick panel)
G402 (left rear shock tower)
Gmlan serial data
Gnd
Ground
Hot at all times
Hot w/ ign 1 relay energized
J200
J240
J250
Left audio sig
Lf lo lvl aud sig+
Lf lo lvl aud sig-
Logic
Lr lo lvl aud sig+
Lr lo lvl aud sig-
Misc ign fuse 10a
Nav audi sig-
Nav mtr fuse 10a
Navi dsply sig
Navigation antenna (w/ infotainment system 4,5,7 & 5.1) (center of dash)
Nca
Pnk
Radio
Radio audio mute sig
Radio/ hvac display (w/ infotainment system 7, 8 & 5.1)
Rdo fuse 15a
Rear fuse block (right rear of luggage compt)
Rearview camera circuit
Remote enable sig
Remote radio ctrl
Rf lo lvl aud sig+
Rf lo lvl aud sig-
Right audio sig
Rr lo lvl aud sig+
Rr lo lvl aud sig-
Serial data hi
Serial data lo
Sig navi dsply
Tan
Underhood fuse block (right front of engine compt)
Vics1
Vics2
Vics4
Vics6
Video display ctrl
Voice recg low ref
W/ infotainment system 7 & 8
W/ infotainment system 7, 8 & 5.1
W/ infotainment system 8 & 5.1
W/o hands free
W/o infotainment system 7, 8 & 5.1
Wake-up sig
X200
X205
X235
X250

Radio Wiring Diagram, without Surround Amplifier (2 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, without Surround Amplifier (2 of 4) for Cadillac CTS V 2012:

(coupe: under rug in left rear footwell) (sedan: near base of left "c" pillar) (wagon: 17 cm from breakout to g200) j350
(left rear shock tower) g402
Ante- nna
Anti-lock brakes system
Audio screen
Audio sig
Auxiliary audio jack
Batt+ volt
Cellular telephone microphone (w/ communication & infotainment)
Cellular, navigation & digital radio antenna
Center high mounted stop lamp (chmsl)
Coax
Common sig
Computer data lines system
Ctrl sig
Data bus+
Detection sig
Drain
Drain wire
Exterior lights system
Fm1
Fm2
G902 (top left of liftgate)
G903 (top right of liftgate)
Gm lan
Ground
Haz sw sig
Infotainment
J240
Lo ref
Logic
Microphine
Navigation & traffic data antenna (w/ infotainment system 7) (top center of windshield)
Nca
Pnk
Radio antenna module (sedan: center rear of headliner) (wagon: top of liftgate)
Radio rear window antenna
Radio/hvac control (w/ infotainment system 1, 2 & 3
Red
Sedan
Serial data
Serial data hi
Serial data lo
Sig enable remote
System 1, 2, 3 & 5.1
System 7 & 8
Tan
Trac sw sig
Vehicle communication interface module (vcim) (w/ onstar) (behind right rear strut tower)
W/ infotainment system 8 & 5.1
Wagon
Wake-up sig
X1 data bus- gm lan
X2 sig
X207
X215
X222
X238
X245
X250
X303
X906

Radio Wiring Diagram, without Surround Amplifier (3 of 4) for Cadillac CTS V 2012

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List of elements for Radio Wiring Diagram, without Surround Amplifier (3 of 4) for Cadillac CTS V 2012:

(or 1704)
(or 1794)
(or 340)
(or 346)
(or tan)
A tan
Audio amplifier (sedan: rear of left rear strut tower) (wagon: left front of luggage compt)
Audio mute sig
B tan
Center i/p speaker
Coupe
G402 (left rear shock tower)
Ground
Left front door speaker
Left front tweeter speaker
Left rear speaker
Lf lo level audio sig+
Lf lo level audio sig-
Lf speaker out +
Lf speaker out -
Lr lo level audio sig+
Lr lo level audio sig-
Lr speaker out +
Lr speaker out -
Nca
Rear subwoofer speaker
Red
Remote enable sig
Rf lo level audio sig+
Rf lo level audio sig-
Rf speaker out +
Rf speaker out -
Right front door speaker
Right front tweeter speaker
Right front tweeter speaker (wagon)
Right rear speaker
Rr lo level audio sig+
Rr lo level audio sig-
Rr speaker out +
Rr speaker out -
Sedan
Sedan & coupe
Sedan & wagon
Speaker out +
Speaker out -
Tan
Wagon
X200
X225
X500
X600
X700
X701
X800
X801

Radio Wiring Diagram, without Surround Amplifier (4 of 4) for Cadillac CTS V 2012

Ottieni l'accesso a tutti gli schemi elettrici dell'auto

List of elements for Radio Wiring Diagram, without Surround Amplifier (4 of 4) for Cadillac CTS V 2012:

(left rear shock tower) g402
Batt+ volt
Body control module (bcm) (center of dash)
Coax
Computer data lines system
Cruise control & transmissions system
Drain wire
Exterior lights system
G401 (right rear shock tower)
G408 (top of right "d" pillar)
G904 (top of liftgate)
Ground
Hot at all times
Inflatable restraint steering wheel module coil (top of steering column)
J288
J290 (steering wheel harness)
J430
J903
Left audio sig
Left steering wheel control switch
Lo spd gmlan
Lo spd gmlan serial data
Nca
Onstar fuse 10a
Radio antenna inductor (wagon) (top of liftgate)
Radio audio out
Radio ctrl sply vol
Rear fuse block (right rear of luggage compt)
Right audio sig
Right steering wheel control switch
Sedan & coupe
Seek down
Seek up
Source
Sply volt
Steering whl ctrl sig
Television antenna amplifier
Television rear glass antenna
Television tuner (w/ infotainment system 7 & 8)
Transmissions system
Voice
Vol +
Vol -
W/ deluxe steering wheel
Wagaon
X220
X225
X900

Video System Wiring Diagram for Cadillac CTS V 2012

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List of elements for Video System Wiring Diagram for Cadillac CTS V 2012:

Clock sig
Digital video disc (dvd) control module
Digital video disc (dvd) control module inline fuse
Driver seat headrest digital video disc (dvd) display
Fm ant
Fm antenna
G200 (left kick panel)
Gnd
Hot w/ ign 1 relay energized
I2c data
Ign
Ign volt
Isrvm fuse 7.5a
J211
L audio (+)
Passenger seat headrest digital video disc (dvd) display
Pnk
R audio (+)
Red
Underhood fuse block (right front of engine compt)
Video sig (+)
Video sig (-)
X371
X372
X373
X374

SHIFT INTERLOCK

Ignition Lock Solenoid Wiring Diagram for Cadillac CTS V 2012

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List of elements for Ignition Lock Solenoid Wiring Diagram for Cadillac CTS V 2012:

(center of dash) body control module (bcm)
A/t
Automatic transmission shift lever
Bcm 1 fuse 10a
G102 (right front of engine compt)
G200 (left kick panel)
Hot at all times
Ignition lock cylinder control actuator (on steering column)
Ignition lock cylinder control switch
J200
J205
M/t
Rear fuse block (right rear of luggage compt)
Remote control door lock receiver (rcdlr) (sedan/coupe: right side of rear shelf) (wagon: left rear of roof)
Rke/ pass-key/ mdl fuse 10a
Shift position signal
Underhood fuse block (right front of engine compt)
W/ remote start
W/o remote start
X202
X225

Park Brake System Wiring Diagram for Cadillac CTS V 2012

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List of elements for Park Brake System Wiring Diagram for Cadillac CTS V 2012:

(right rear shock tower)
12 volt
12 volt ref
5 volt ref
5-volt ref 1
6.2l
Body control module (bcm) (center of dash)
Brake pedal position sensor (top of brake pedal)
Brk pos sens sig
Computer data lines system
Driver information center (dic) display
Engine control module (ecm) (except 6.2l: left front of engine compt) (6.2l: right rear of engine compt)
Epb fuse 30a
Except 6.2l
G201 (right kick panel)
G401
Ground
Hi spd gmlan +
Hi spd gmlan -
Hot at all times
Instrument cluster
Interior lights system
J308
Logic
Low ref
Low reference
Park brake ind
Park brake switch (on park brake assembly)
Parking brake control module
Release sig
Serial data
Stop lamp sw sig
Tan
Tan k
Tan l
Tan m
Underhood fuse block (right front of engine compt)
X104
X163
X237
X402

Shift Interlock Wiring Diagram for Cadillac CTS V 2012

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List of elements for Shift Interlock Wiring Diagram for Cadillac CTS V 2012:

5 volt ref
5-volt ref 1
6.2l
Automatic transmission
Automatic transmission internal mode switch (ims)
Automatic transmission shift lever
Automatic transmission shift lock control solenoid
Battery pos volt
Bcm 1 fuse 10a
Body control module (bcm) (center of dash)
Brake pedal position sensor (top of brake pedal)
Brk pos sens sig
Computer data lines system
Control solenoid valve assembly
Engine control module (ecm) (except 6.2l: left front of engine compt) (6.2l: right rear of engine compt)
Except 6.2l
G200 (left kick panel)
Gnd
Hi spd gmlan +
Hi spd gmlan -
Hot at all times
J200
J376
Low ref
Park/neutral
Shift lock ctrl sol
Stop lamp sw sig
Tan
Transmission control module (tcm)
Transmissions system
Underhood fuse block (right front of engine compt)
X104

STARTING/CHARGING

Charging Wiring Diagram for Cadillac CTS V 2012

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List of elements for Charging Wiring Diagram for Cadillac CTS V 2012:

200a
3.0l&3.6l
6.2l
Battery
Battery current sensor (right rare of luggage compt)
Body control module (bcm) (center of dash)
Charge ind
Computer data lines system
Current sens low ref
Current sens sig
Current sens sply volt
Driver information center (dic)
Engine control module (ecm) (6.2l: right rear of engine compt) (3.0l & 3.6l: left front of engine compt)
G201 (right kick panel)
G405 (right side of luggage compt)
Gen duty cycle sig
Gen turn on sig
Generator
Ground
Inline fuse generator
Instrument panel cluster (ipc)
Logic
Low speed gmlan serial data
Pnk
Power distribution system
Rear fuse block (right rear of luggage compt)
Red
Rvc/snsr fuse 10a
Serial data bus+
Serial data bus-
Starter motor
Tan
Underhood fuse block (right front of engine compt)
X260

Starting Wiring Diagram for Cadillac CTS V 2012

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List of elements for Starting Wiring Diagram for Cadillac CTS V 2012:

3.0l & 3.6l
5v ref
6.2l
Acc
Automatic transmission
Automatic transmission internal mode switch (ims)
Battery
Body control module (bcm) (center of dash)
Charging circuit
Clutch pedal position (cpp) sensor (m/t) (top of clutch pedal assembly)
Clutch position sens rtn
Clutch position sens sig position
Computer data lines system
Control solenoid valve assembly
Engine control module (ecm) (6.2l: right rear of engine compt) (3.0l & 3.6l: left front of engine compt)
G104 (near right headlight)
G405 (right side of luggage compt)
Ign lk cyl ctrl actr sig trans park/ntrl sig
Ignition switch
Off
Off/run/crank volt
Power distribution system
Red
Run
Serial data bus+
Serial data bus-
Start
Starter motor
Starter relay
Starter relay coil ctrl
Strtr fuse 40a
Tan
Transmission control module
Underhood fuse block (right front of engine compartment)
X105
X240 c

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac CTS V 2012

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac CTS V 2012:

(driver's door) left front inflatable restraint side impact sensor
(left side of passenger seat cushion)
(left side roof rail) driver inflatable restraint roof rail module
(outer side of left front seat) left inflatable restraint side impact module
(outer side of right front seat) right inflatable restraint side impact module
(passenger's door) right front inflatable restraint side impact sensor
A x345
B11
B12
C x350
Coupe
D x345
Driver seat belt buckle
Driver seat belt buckle pretensioner
Driver seat belt hi ctrl
Driver seat belt lo ctrl
Driver seat belt retractor pretensioner
Driver seat belt sw sig
Driver seat belt switch
Drv seat belt sw low ref
High ctrl seat belt
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Lf discriminating sens low ref
Lf discriminating sens sig
Lf head curtain mod hi ctrl
Lf head curtain mod lo ctrl
Lf side impact mod hi ctrl
Lf side impact mod lo ctrl
Lf side impact sensing mod low ref
Lh side impact sensor sig
Low ctrl seat belt
Lr side impact sensing mod
Pass seat belt hi ctrl
Pass seat belt lo ctrl
Pass seat belt sw low ref
Passenger inflatable restraint roof rail module (right side roof rail)
Passenger seat belt buckle
Passenger seat belt pretensioner
Passenger seat belt retractor pretensioner (base of right "b" pillar)
Passenger seat belt switch
Pin shorting bars engaged
Pnk
Rf head curtain mod high ctrl
Rf head curtain mod low ctrl
Rf side impact mod hi ctrl
Rf side impact mod lo ctrl
Rf side impact sensing mod
Rf side impact sensing mod low ref rh side impact sensor sig
Right rear inflatable restraint side impact sensor (right rear door)
Rr side impact sensing mod low ref rr side impact sensing mod hi ref
Seat belt sw sig
Sedan/wagon
Shorting bar
When module connector is disconnected from harness: (shorting bars are connected between following pins in connector x2: 13-14, 15-16, 17-18, 37-38, 39-40 & 53-54)
X300
X301
X307
X350 f
X500
X600
X800

Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac CTS V 2012

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac CTS V 2012:

(front of engine compt) left inflatable restraint front end sensor
(front of engine compt) right inflatable restraint front end sensor
Air bag fuse 10a
Air bag ign fuse 10a
Air bag ind
Air bag off ind
Air bag on ind
B11
B12
Batt positive volt
Computer data lines system
Data serial
Driver information center display
Driver seat belt ind
G201 (right kick panel)
G306 (under driver's seat)
Gmlan lo spd
Gnd
Ground
Hot at all times
Hot in on or start
I/p mod hi ctrl stage 1
I/p mod hi ctrl stage 2
I/p mod lo ctrl stage 1
I/p mod lo ctrl stage 2
Ign volt
Inflatable restraint front passenger presence system (pps) module (under passenger seat)
Inflatable restraint i/p module (right side of dash)
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Inflatable restraint steering wheel module (on steering wheel)
Inflatable restraint steering wheel module coil (top of steering column)
Instrument panel cluster
Left rear inflatable restraint side impact sensor (left rear door)
Lo spd gm lan serial data
Lo spd gmlan serial data
Logic
Nca
Passenger seat belt ind
Pin shorting bars engaged
Pnk
Power distribution system
Radio/hvac control
Rear fuse block (right rear of luggage compt)
Sedan/wagon
Serial data
Shorting bar
Steer whl hi ctrl stage 2
Steer whl lo ctrl stage 2
Tan
Underhood fuse block (right front of engine compt)
When module connector is disconnected from harness: (shorting bars are connected between following pins in connector x1: 1-2, 3-4, 5-6 & 7-8)
X200
X203
X235
X254
X307
X700

TRANSMISSION

A/T Wiring Diagram for Cadillac CTS V 2012

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List of elements for A/T Wiring Diagram for Cadillac CTS V 2012:

(steering wheel harness) j290
3.0l & 3.6l
6.2l
Acc
Acc volt
Accessory wakeup serial data
Automatic transmission assembly
Automatic transmission fluid pressure manual valve position switch
Automatic transmission fluid temperature (tft) sensor
Automatic transmission input shaft speed sensor (iss)
Automatic transmission internal mode switch (ims)
Automatic transmission manual shift switch
Automatic transmission output shaft speed sensor (oss)
Body control module (bcm) (center of dash)
Cluster
Computer data lines
Computer data lines system
Control solenoid valve assembly
Cruise control & sound systems
Data bus (+)
Data bus (-)
Driver information center (dic) display
Ecm/tcm ign fuse 15a
Engine control module (ecm) (3.6l: left front of engine compt) (except 3.6l: right rear of engine compt)
G132 (top right of engine)
Gmlan
Gmlan serial data bus+
Gmlan serial data bus-
Gnd
Hot at all times
Hot w/ ign 1 relay energized
Ign
Ign 1 volt
Ign lock sig
Ignition switch
Inflatable restraint steering wheel module coil (top of steering column)
Instrument
Iss sig
Iss/oss ctrl
J127
J285 (steering column harness, near branch for body control module)
J291
Left automatic transmission manual shift switch (if equipped)
Logic
Low ref
Off
Oss sens
P/n sig
Pc 1 solenoid
Pc 2 solenoid
Pc 3 solenoid
Pc 4 solenoid
Pc 5 solenoid
Pnk
Power distribution system
Pressure control (pc) solenoid valve 1
Pressure control (pc) solenoid valve 2
Pressure control (pc) solenoid valve 3
Pressure control (pc) solenoid valve 4
Pressure control (pc) solenoid valve 5
Red
Red b
Remote radio ctrl sply vol
Remote shift selector sig
Right automatic transmission manual shift switch (if equipped)
Run
Shift solenoid (ss) valve 1
Shift solenoid (ss) valve 2
Ss 1
Ss 2
Start
System
Tan
Tap up/ down switch
Tap up/tap down sw sig
Tcc solenoid
Tcm batt fuse 15a
Tfp 1
Tfp 3
Tfp 4
Tfp 5
Tft
Torque converter clutch (tcc) pressure control (pc) solenoid valve
Trans enable switch
Transmission control module (tcm)
Transmission shift lever
Trns range sig a
Trns range sig b
Trns range sig c
Trns range sig p
Underhood fuse block (right front of engine compt)
Wakeup serial
X202

AWD Wiring Diagram for Cadillac CTS V 2012

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List of elements for AWD Wiring Diagram for Cadillac CTS V 2012:

(center of dash) body control module (bcm)
Awd fuse 15a
Batt +
Clutch coil ctrl
Clutch coil rtn
Computer data lines system
Driver information center (dic)
Ecm/ tcm ign fuse 15a
G200 (left kick panel)
Gmlan
Ground
Hot at all times
Hot w/ ign 1 relay energized
Ign
Instrument panel cluster (ipc)
J200
Logic
Oil temp 5v ref
Oil temp sens sig
Pnk
Power distribution system
Resistor 5v ref
Resistor sig
Serial data
Serial data bus+
Serial data bus-
Tan
Transfer case clutch coil (rear of transfer case)
Transfer case fluid temperature sensor (rear of transfer case)
Transfer case shift control module (right side of dash)
Underhood fuse block (right front of engine compt)
Wakeup
Wakeup serial
X105

Rear Differential Cooler Wiring Diagram for Cadillac CTS V 2012

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List of elements for Rear Differential Cooler Wiring Diagram for Cadillac CTS V 2012:

5v ref
Computer data lines system
Coupe
Diff pump fuse 20a
Differential cooler pump
Differential cooler pump relay 1
Differential cooler pump relay 2 (coupe)
Differential temperature switch
Driver information center (dic) display
Ecm/tcm ign fuse 15a
G401 (right rear shock tower)
Gmlan ser data
Hot at all times
Hot w/ ign relay energized
Instrument panel cluster (ipc)
J410 (differential cooling pump jumper harness, near breakout to x441)
Logic
Oil temp sens sig
Pnk
Power distribution system
Rear differential temperature sensor
Rear fuse block (right rear of luggage compt)
Sedan/ wagon
Underhood fuse block (right front of engine compt)
X200
X260
X402
X441

TRUNK, TAILGATE, FUEL DOOR

Liftgate Release Wiring Diagram for Cadillac CTS V 2012

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List of elements for Liftgate Release Wiring Diagram for Cadillac CTS V 2012:

(liftgate harness, 12 cm past x903) j907
(liftgate harness, 15 cm from breakouts to liftgate module) (extended range & passive entry lock control) j905
(right side of liftgate)
3/4
30a
Ajar sw sig
Close sig
Computer data lines system
Disply fuse 10a
Driver door lock/ window switch
Driver information center (dic) display
Exterior liftgate control switch
G408 (top of right "d" pillar)
Ground
Hot at all times
Instrument panel cluster (ipc)
Interior liftgate control switch
Lamp ctrl
Lamps ctrl
Left liftgate object sensor (left side of liftgate)
Liftgate close switch
Liftgate latch assembly (lower center of liftgate)
Liftgate module (lgm) (right side of liftgate)
Liftgate module (lgm) inline fuse (near rear fuse block)
Liftgate motor assembly (left rear of luggage compt)
Logic
Low ref
Max
Msm fuse 7.5a
Mtr close ctrl
Mtr open ctrl
Nca
Object sens sig
Off
On/off sw sig
Power distribution system
Rear fuse block (right rear of luggage compt)
Right liftgate object sensor
Ser data
Sw open sig
Sw sig
Underhood fuse block (right front of engine compt)
X500
X501
X900
X901
X902
X903
X904

Trunk & Fuel Door Release Wiring Diagram for Cadillac CTS V 2012

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List of elements for Trunk & Fuel Door Release Wiring Diagram for Cadillac CTS V 2012:

(coupe)
(sedan)
87a
Ajar sw sig
B (sedan)
Body control module (bcm) (center of dash)
Computer data lines system
Coupe
Door locks system
Dr/lck
Driver door lock/ window switch
Driver information center (dic) display
Exterior rear compartment lid release switch (w/ remote start)
Fuel door release actuator (if equipped) (right rear of luggage compt)
Fuel/ dr/ relse relay
Fuse 15a
G401 (right rear shock tower)
Gnd
H b+
Hot at all times
Instrument panel cluster (ipc)
Interior rear compartment lid release switch
J394 (body harness, near branch to inflatable restraint sensing & diagnostic module)
J430
L serl data
Lamps ctrl
Lck relay
Logic
Low gmlan serl data x7
Low speed gmlan serial data
Mtr release ctrl x7
P trnk rel ctrl x1
Pnk
Rear compartment lid latch
Rear fuse block (right rear of luggage compt)
Release sw
Remote control door lock receiver (rcdlr) (w/ remote start) (coupe/sedan: right side of rear shelf) (wagon: left rear of roof)
Rke/pass key/mdl fuse 10a
Sedan
Serl data
Solenoid ctrl
Tan
Trunk/ relse fuse 15a
Trunk/ relse relay (sedan)
Trunk/relse relay (coupe) (rear fuse block)
Unlk rly ctrl
X208
X235
X260
X900

WARNING SYSTEMS

Warning Systems Wiring Diagram for Cadillac CTS V 2012

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List of elements for Warning Systems Wiring Diagram for Cadillac CTS V 2012:

(left rear door)
(right kick panel) g201
Acc
Audio amplifier (w/ surround amplifier) (sedon: rear of left rear strut tower) (wagon: left front of lauggage compt)
Auto
Batt positive volt
Bcm 3 fuse 10a
Bcm 4 fuse 10a
Body control module (bcm) (center of dash)
Brake fluid level switch (on brake fluid reservoir)
Brake ind
Computer data lines system
Coupe
Crank volt
Driver door latch (driver's door)
Driver door lock/window switch
Driver information center (dic) display
Driver seat belt buckle
Driver seat belt ind
Driver seat belt sw sig
Driver seat belt switch
G102 (right front of engine compt)
G200 (left kick panel)
G201 (right kick panel)
Ground
Hdlmps off
Hdlmps on
Head
Hot at all times
Ignition switch
Ind ctrl
Inflatable restraint sensing & diagnostic module (sdm) (under center console)
Instrument panel cluster (ipc)
J205
J510 (coupe)
J610
J710
J810
Key in ign sw sig
Key in ignition switch
Left rear door latch (sedon & wagon)
Lf door ajar
Lh seat belt sw low ref
Lo spd gm lan serial data
Lo spd gmlan serial data
Logic
Low tire pressure ind
Lr door ajar sw
Off
Park
Park brake sw sig
Park brake switch (on park brake assembly)
Park ind
Park lamp on sig
Pass seat belt ind
Pass seat belt sw low ref
Passenger door latch (passenger's door)
Passenger door lock/window switch
Passenger seat belt buckle
Passenger seat belt switch
Radio
Radio/havc control
Remote control door lock receiver (rcdlr) (sedan/coupe: right side of rear shelf) (wagon: left rear of roof)
Rf door ajar
Right rear door latch (sedon & wagon) (right rear door)
Rr door ajar sw
Run
Seat belt sw sig
Sedan/wagon
Serial data
Serial data bus+
Serial data bus-
Start
Tan
Turn signal/ multi-function switch
Underhood fuse block (right front of engine compt)
W/ keyless engine start switch
W/o keyless engine start switch
X201
X202
X235
X260
X300
X301
X307
X500
X505
X600
X605
X700
X800

WIPER/WASHER

Wiper/Washer Wiring Diagram, Coupe for Cadillac CTS V 2012

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List of elements for Wiper/Washer Wiring Diagram, Coupe for Cadillac CTS V 2012:

(on washer fluid reservoir) windshield washer fluid pump
3.0l & 3.6l
6.2l
87a
Body control module (bcm) (center of dash)
Computer data lines system
Driver information center (dic) display
Drl wsw fuse 10a
Fr wiper sw high sig
G102 (right front of engine compt)
G104 (near right headlight)
G110 (near abs module)
Hdm wash fuse 20a
Head lamp
Headlamp relay ctrl
Headlamp washer fluid pump (if equipped) (in washer reservoir)
Hot at all times
Instrument panel cluster (ipc)
Logic
Low ind ctrl
Low spd gmlan
Pnk
Tan
Underhood fuse block (right front of engine compt)
Wash relay
Washer switch
Windshield relay ctrl
Windshield sw high
Windshield sw sig
Windshield sw sig 2
Windshield washer fluid level switch
Windshield wiper motor
Windshield wiper motor (left side of firewall)
Windshield wiper sw
Windshield wiper/washer switch
Wpr fuse 30a
Wpr hi relay
Wpr relay
Wsw pump relay

Wiper/Washer Wiring Diagram, Sedan for Cadillac CTS V 2012

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List of elements for Wiper/Washer Wiring Diagram, Sedan for Cadillac CTS V 2012:

(on washer fluid reservoir) windshield washer fluid pump
3.0l & 3.6l
6.2l
87a
Body control module (bcm) (center of dash)
Computer data lines system
Driver information center (dic) display
Drl wsw fuse 10a
Fr wiper sw high sig
G102 (right front of engine compt)
G104 (near right headlight)
G110 (near abs module)
Hdm wash fuse 20a
Head lamp
Headlamp relay ctrl
Headlamp washer fluid pump (if equipped) (in washer reservoir)
Hot at all times
Instrument panel cluster (ipc)
Logic
Low ind ctrl
Low spd gmlan
Pnk
Tan
Underhood fuse block (right front of engine compt)
Wash relay
Washer switch
Windshield relay ctrl
Windshield sw high
Windshield sw sig
Windshield sw sig 2
Windshield washer fluid level switch
Windshield wiper motor
Windshield wiper motor (left side of firewall)
Windshield wiper sw
Windshield wiper/washer switch
Wpr fuse 30a
Wpr hi relay
Wpr relay
Wsw pump relay

Wiper/Washer Wiring Diagram, Wagon (1 of 2) for Cadillac CTS V 2012

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List of elements for Wiper/Washer Wiring Diagram, Wagon (1 of 2) for Cadillac CTS V 2012:

3.0l & 3.6l
6.2l
87a
Accessory voltage
Body control module (bcm) (center of dash)
Computer data lines system
Fr wiper sw high sig
G102 (right front of engine compt)
G110 (near abs module)
Headlamp relay ctrl
Hot at all times
J901
Low ref
Low spd gmlan ser data
Power distribution system
Tan
Underhood fuse block (right front of engine compt)
Washer rly ctrl
Washer switch
Windshield
Windshield sw high sig
Windshield sw sig 2
Windshield wiper motor (left side of firewall)
Windshield wiper/washer switch
Wiper mtr park sw sig
Wiper sw low sig
Wpr fuse 30a
Wpr hi relay
Wpr relay
X202
X235
X260
X901

Wiper/Washer Wiring Diagram, Wagon (2 of 2) for Cadillac CTS V 2012

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List of elements for Wiper/Washer Wiring Diagram, Wagon (2 of 2) for Cadillac CTS V 2012:

Accessory volt
Battery positive voltage
G102 (right front of engine compt)
G104 (near right headlight)
G401 (right rear shock tower)
G408 (top of right "d" pillar)
Gnd
Hdm wash fuse 20a
Head lamp wash relay
Headlamp washer fluid pump (if equipped) (in washer reservoir)
Hot at all times
J903
Logic
Rear fuse block (right rear of luggage compt)
Rear window washer fluid pump relay
Rear window washer rly ctrl
Rear window wiper motor (center of liftgate)
Rear window wiper switch sig
Rear wiper fuse 15a
Underhood fuse block (right front of engine compt)
Washer pump fuse 10a
Windshield washer fluid pump (on washer fluid reservoir)
Windshield washer pump relay
X208
X900
X900 f