All Wiring Diagrams for Cadillac STS V 2009

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2009

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2009:

• (on dash right of steering column) inside air temperature (iat) sensor
• 5v ref
• A/c refrigerant low temp sens sig
• Air quality hc sens sig
• Air quality nox sens sig
• Air temp dr ctrl
• Ambient air temp sens sig
• Ambient light sens sig
• Auxiliary air temp dr ctrl
• Auxiliary air temp dr position sig
• Auxiliary air temperature actuator (left center of dash, on lower left side of hvac module)
• Auxiliary mode actuator (inside center console, on right rear side)
• Auxiliary mode dr position sig
• Batt positive volt
• Blower mtr spd ctrl
• Blwr fuse 40a
• Ccp fuse 10a
• Ccp/ rly coils fuse 10a
• Computer data lines system
• Drv air temp dr position sig
• Drv sunload sens sig
• Frt blwr relay
• G201 (in passenger compt, behind right kick panel)
• Gnd
• Hot at all times
• Hot w/ run crnk relay energized
• Hvac control module (center of dash, below radio)
• Ign 3 vlot
• Inside air temp sens assembly ctrl
• Inside air temp sens sig
• Interior lights system
• J210
• J211 (in dash harness, 28 cm from x214)
• Led backlight dimming ctrl
• Low ref
• Low spd gmlan serial data
• Medium 2 blower mtr ctrl
• Medium 3 blower mtr ctrl
• Medium blower mtr ctrl
• Mode dr ctrl
• Nca
• Pass air temp dr position sig
• Pass sunload sens sig
• Pnk
• Rear mode dr ctrl a
• Rear mode mtr low ref
• Recirculation actuator (on hvac module, left of blower motor)
• Recirculation door ctrl
• Recirculation door position sig
• Right air temp dr ctrl a
• Run/crank ign 1 volt
• Tan
• Tan/red
• Underhood fuse block (right front side of engine compt)

Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2009

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2009:

• (center of dash, in defroster grille) sunload sensor
• (in hvac motor assembly harness) j222
• (in hvac motor assembly harness) j223
• (under front fascia, near center of grille) ambient air temperature sensor
• (under front fascia, near front grille center) (if equipped) air quality sensor
• Air filter recirculating)
• Auxiliary hvac control module (w/ rear heated seat)
• Blower motor (under dash, behind glove box)
• Blower motor control module (behind right side of instrument panel)
• Blower mtr fan ctrl
• Blower mtr resistor assembly sply volt
• Blower mtr spd ctrl
• Blower mtr sply volt
• Evaporator temperature sensor (inside hvac case, at evaporator core)
• G104 (on right front frame rail, near bumper bracket)
• G201 (in passenger compt, behind right kick panel)
• Gnd
• Hot w/ run crnk relay energized
• Htd wash/ aqs fuse 10a
• J202 (in instrument panel harness, 50.5 cm from left front speaker)
• J212
• Left air temperature actuator (left center of dash, on left side of hvac module)
• Pnk
• Right air temperature actuator (right center of dash, on right side of hvac module)
• Run/crank ign 1 volt
• Tan/ red
• Tan/red
• Underhood fuse block (right front side of engine compt)

Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2009

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2009:

• (on right front frame rail, near bumper bracket) g104
• (or 2751)
• (or 476)
• 3.6l
• 3.6l & 4.6l w/o trailer provisions
• 4.4l & 4.6l
• 4.4l & 4.6l w/ trailer provisions
• 4.4l 3.6l
• 4.6l
• 5v reference 3
• 87a
• A/c clutch fuse 10a
• A/c cmprsr
• A/c compressor clutch
• A/c compressor clutch relay
• A/c refrig press sens
• A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
• Clutch relay ctrl x2
• Computer data lines system
• Ect sensor signal
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• Engine coolant temperature (ect) sensor (3.6l: in center of left cylinder head) (4.4l: rear of right cylinder head) (4.6l: in rear side of right cylinder head)
• Engine cooling fan
• Engine cooling fan resistor
• Fan 1 fuse 30a
• Fan 2 fuse 30a
• G100 (on rear side of right cylinder head)
• G104 (on right front frame rail, near bumper bracket)
• Hi fan spd relay
• Hi spd fan rly ctrl
• Hot at all times
• Hot w/ pwr/ trn relay energized
• Left engine cooling fan (behind radiator)
• Lo fan spd relay
• Low ref
• Low reference
• Low spd fan rly ctrl
• Mode actuator (on top left side of hvac module)
• Post 02 snsr fuse 15a
• Right engine cooling fan (behind radiator)
• S/p fan relay
• Serial data bus +
• Serial data bus -
• Tan
• Underhood fuse block (right front side of engine compt)

Compressor Wiring Diagram for Cadillac STS V 2009

List of elements for Compressor Wiring Diagram for Cadillac STS V 2009:

• (or 2751)
• 3.6l
• 5v ref 3
• A/c cltch fuse 10a
• A/c cmprsr cltch relay
• A/c compressor clutch
• A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
• Computer data lines system
• Data bus+
• Data bus-
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• Except 3.6l
• G100 (on rear side of right cylinder head)
• Hot at all times
• Hot w/ pwr/trn relay energized
• Low ref
• Post 02 snsr fuse 15a
• Rly ctrl
• Sens sig
• Tan
• Underhood fuse block (right front side of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, with VSC (1 of 2) for Cadillac STS V 2009

List of elements for Anti-lock Brakes Wiring Diagram, with VSC (1 of 2) for Cadillac STS V 2009:

• (left side of engine compt) auxiliary brake pump booster
• (not used)
• (on right front frame rail, near right front strut tower) g110
• 1-17
• 1-32
• 21-56
• 34-46
• 48-50
• 54-69
• Abs fuse 25a
• Abs mtr fuse 50a
• Batt positive volt
• Brake pressure modulator valve (bpmv)
• Brk vac pump fuse 15a (3.6l)
• Brk vac pump relay
• Can bus high serial data
• Can bus low serial data
• Computer data lines system
• Electronic brake control module (ebcm) (right front corner of engine compt)
• Electronic suspension control (esc) module (below right "c" pillar)
• Engine control module (ecm) (front of engine, on right valve cover)
• G110 (on right front frame rail, near right front strut tower)
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Gnd
• Hi spd gmlan serial data (+)
• Hi spd gmlan serial data (-)
• Hot at all times
• Hot w/ pwr/trn relay energized
• Ign 1
• Instrument panel module (ipm)
• Interior lights system
• J311
• Jx404 (behind right side of rear seat back)
• Lf wheel spd sens low ref
• Lf wheel spd sens sig
• Lo spd gmlan serial data
• Lr wheel spd sens low ref
• Lr wheel spd sens sig
• Nca
• Pnk
• Rf wheel spd sens low ref
• Rf wheel spd sens sig
• Rr wheel spd sens low ref
• Rr wheel spd sens sig
• Serial data bus (+)
• Serial data bus (-)
• Serial data wake up
• Serial data wakeup
• Steering actr hi effort ctrl
• Steering actr lo effort ctrl
• Tan
• Traction control ind
• Traction control switch (tcs)
• Traction ctrl sw sig 2 x3
• Underhood fuse block (right front side of engine compt)
• Vacuum pump rly ctrl
• Variable effort steering actuator (in left rear engine compt, on steering rack)
• Vehicle stability control module (left rear wheel hub assembly)

Anti-lock Brakes Wiring Diagram, with VSC (2 of 2) for Cadillac STS V 2009

List of elements for Anti-lock Brakes Wiring Diagram, with VSC (2 of 2) for Cadillac STS V 2009:

• (near left front strut tower, at bottom of inside fender well)
• Abs ind
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Can bus high
• Can bus low
• Computer data lines system
• Driver information center (dic) display
• G101
• G200 (in passenger compt, behind left kick panel)
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Gnd
• Hot at all times
• Hot w/ run relay energized
• Ign
• Ign 1 volt
• Instrument panel cluster (ipc)
• J/c
• Jx204 (under passenger side of dash, near g201)
• Left front wheel speed sensor (wss) (behind left front brake rotor)
• Left rear fuse block (under left side of rear seat)
• Left rear wheel speed sensor (wss) (behind left rear brake rotor)
• Logic
• Pnk
• Power steering control module (pscm) (left side of dash, above park brake pedal)
• Right front wheel speed sensor (wss) (behind right front brake rotor)
• Right rear wheel speed sensor (wss) (behind right rear brake rotor)
• Rim/rpa/isrvm/clm fuse 10a
• S10
• S22
• S23
• S24
• Serial data
• Steering wheel speed/position sensor (in passenger compartment, at base of steering column)
• Tan
• Traction off ind
• Tv/vics/ afs/scm fuse 10a
• Yaw & lateral accelerometer sensor

Anti-lock Brakes Wiring Diagram, without VSC (1 of 2) for Cadillac STS V 2009

List of elements for Anti-lock Brakes Wiring Diagram, without VSC (1 of 2) for Cadillac STS V 2009:

• (left side of engine compt) auxiliary brake booster pump
• (on right front frame rail, near right front strut tower) g110
• (right rear side of engine block, near starter) g112
• Abs fuse 25a
• Abs ind
• Abs mtr fuse 50a
• Act hi effort ctrl
• Battery positive volt
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Brake pressure modulator valve (bpmv)
• Brk vac pump fuse 15a (3.6l)
• Brk vac pump relay
• Can bus hi serial data
• Can bus lo serial data
• Computer data lines system
• Driver information center (dic) display
• Electronic brake control module (ebcm) (right front corner of engine compt)
• Engine control module (ecm) (front of engine, on right valve cover)
• G101 (near left front strut tower, at behind of inside fender well)
• G200 (in passenger compt, behind left kick panel)
• Ground
• Hot at all times
• Hot w/ pwr/trn relay energized
• Ign
• Instrument panel cluster (ipc)
• Lf wheel spd sens low ref
• Logic
• Low effort ctrl
• Motor control
• Nca
• Serial data
• Serial data (+) (1)
• Serial data (-) (1)
• Serial data bus (+)
• Serial data bus (-)
• Serial data wake up
• Steering wheel speed/ position sensor (in passenger compt, at base of steering column)
• Tan
• Underhood fuse block (right front side of engine compt)
• Vacuum pump rly ctrl
• Variable effort steering actuator (on left side of power steering gear)
• Wheel spd sens lo ref lr
• Wheel spd sens lo ref rr
• Wheel spd sens low ref rf
• Wheel spd sens sig lf
• Wheel spd sens sig rf
• Wheel spd sens signal lr
• Wheel spd sens signal rr

Anti-lock Brakes Wiring Diagram, without VSC (2 of 2) for Cadillac STS V 2009

List of elements for Anti-lock Brakes Wiring Diagram, without VSC (2 of 2) for Cadillac STS V 2009:

• Brake pedal position sensor (attached to top of brake pedal assembly)
• Computer data lines system
• G201 (in passenger compt, behind right kick panel)
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Instrument panel module (ipm)
• Interior lights system
• J311
• Left front wheel speed sensor (wss) (behind left front brake rotor)
• Left rear wheel speed sensor (wss) (behind left rear brake rotor)
• Park brake switch
• Park brake switch (at base of brake pedal)
• Right front wheel speed sensor (wss) (behind right front brake rotor)
• Right rear wheel speed sensor (wss) (behind right rear brake rotor)
• Serial data +
• Serial data -
• Tan
• Traction control switch (tcs)
• Traction ctrl sw sig 2
• Yaw rate & lateral acceleration sensor (under the front passenger seat)

ANTI-THEFT

Anti-theft Wiring Diagram for Cadillac STS V 2009

List of elements for Anti-theft Wiring Diagram for Cadillac STS V 2009:

• 3.6l
• Battery positive volt
• Computer data lines system
• Door open sw sig
• Driver door control module (inside driver door)
• Driver door latch (in middle rear of driver door)
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• Engine controls system
• Except 3.6l
• Exterior lights system
• Fd1
• Fd2
• Fuel pump ctrl
• G104 (on right front frame rail, near bumper bracket)
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Gmlan serial data
• Ground
• High spd gmlan+
• High spd gmlan-
• Hood ajar switch (on right front strut tower)
• Hood closed sw sig
• Hood open sw sig
• Horn ctrl
• Horns system
• Hot at all times
• Hot in run or crank
• Ign 1 volt
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• J/c
• J500
• J600
• J700
• J800
• Left rear door control module (lrdm) (inside left rear door)
• Left rear door latch (in middle rear of passenger door)
• Logic
• Low spd gmlan
• Low spd gmlan data
• Park lamp ctrl
• Passenger door control module (inside passenger's door)
• Passenger door latch (in middle rear of left rear door)
• Pnk
• Rear compartment lid latch (center rear of rear compt lid)
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Remote control door lock receiver (rcdlr) (under rear speaker shelf)
• Right rear door control module (rrdm) (inside right rear door)
• Right rear door latch (in middle rear of right rear door)
• Right rear fuse block (under right side of rear seat)
• Rim fuse 10a
• Rim/rpa/ isrvm/clm fuse 10a s8
• S11
• Security ind
• Starter enable
• Starting/ charging system
• Tan
• Trunk ajar sig
• Trunk diode

BODY CONTROL MODULES

Instrument Panel Module Wiring Diagram for Cadillac STS V 2009

List of elements for Instrument Panel Module Wiring Diagram for Cadillac STS V 2009:

• 5v ref
• Acc voltage
• Anti-lock brakes system
• Backlight lamp ctrl
• Batt positive volt
• Computer data lines system
• Cruise control system
• Cruise ctrl set/coast/res/acc sw sig
• Current sens low ref
• Current sens sig
• Current sens sply voltage
• Ecm/tcm serial data wake up
• Exterior lights system
• Flash to pass sw sig
• Flash to pass sw sply voltage
• Fog lamp rly ctrl
• Frt fog lamp sw sig
• G101 (near left front strut tower, at bottom of inside fender well)
• G201 (in passenger compartment, behind right kick panel)
• Hazard sw sig
• Hdlamp automatic high beam dim status
• Headlamp automatic high beam dim enable
• Headlamp hi beam rly ctrl
• Headlamp low beam rly ctrl
• Headlamp on with wipers signal
• Headlamp sw on sig
• Headlamp washer rly ctrl
• Headlights system
• High spd gmlan serial data (+)
• High spd gmlan serial data (-)
• High spd gmlan serial data wake up
• Horn rly ctrl
• Horns system
• Hot at all times
• Hot w/ park lamp relay energized
• I/p lamp dimmer sw sig
• I/p lamp fuse sply volt 1
• I/p mdl/ aldl fuse 10a
• Ign mode sw acc led sig
• Ign mode sw led sply voltage
• Ign mode sw mode ctrl
• Ign mode sw off led sig
• Ign mode sw start led sig
• Ign mode switch mode voltage
• Instrument cluster system
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lamp sw on sig
• Interior lights system
• J210
• Led backlight dimming ctrl
• Lf turn sig sw sig
• Lic/dim fuse 7.5a
• Low spd gmlan serial data
• Mirrors system
• Navigation & sound systems
• Park brake sw sig
• Park lamp rly ctrl
• Park lamp sw on sig
• Pnk
• Power distribution system
• Rear fog lamp sw sig
• Remote radio ctrl head acc sply volt
• Rf turn sig sw sig
• Run ign 3 voltage
• Run/crank ign 1 voltage
• Shft select sw park sply volt
• Shift interlock system
• Shift select sw prk sig
• Sig gnd
• Starting/charging system
• Steering column radio ctrl sig
• Steering column tilt & telescope dn sw sig
• Steering column tilt & telescope fwd sw sig
• Steering column tilt & telescope rwd sw sig
• Steering column tilt & telescope up sw sig
• Stop lamp sw sig
• Tan
• Tap up/dn enable sig
• Traction ctrl sw sig
• Transmissions system
• Trunk release rly ctrl
• Trunk, tailgate, fuel doors system
• Twilight sentinel delay sig
• Underhood fuse block (right front side of engine compt)
• V/ check fuse 10a
• Windshield washer fluid lvl sens sig
• Windshield wiper sw sig 2
• Wiper/washer system

Rear Integration Module Wiring Diagram for Cadillac STS V 2009

List of elements for Rear Integration Module Wiring Diagram for Cadillac STS V 2009:

• Anti-theft system
• Batt positive voltage
• Computer data lines system
• Courtesy lamp sply voltage
• Courtesy lmp rly coil ctrl
• Cruise control switch signal
• Cruise control system
• Defogger system
• Exterior lights system
• G402 (in rear compartment, to rear of left rear shock tower)
• Gnd
• Headlights system
• Hood closed sw sig
• Hood open sw sig
• Hot at all times
• Hot w/ run/crnk relay energized
• Interior lights system
• Interior lmp ctrl
• J/c
• Lf turn sig lmp sply voltage
• Low spd gmlan serial data
• Lr stop/turn lmp sply voltage
• Lr turn signal lmp sply voltage
• Lt trn/ ldw fuse 10a
• Navigation system
• Pnk
• Power tops system
• Rap rly coil ctrl
• Rear defog rly ctrl
• Rear fog lamp relay control
• Rear integration module (rim) (in left side of rear compartment, under rear shelf)
• Rear parking assist chime sig
• Rev rly coil feed
• Rf turn sig lmp sply voltage
• Right rear fuse block (under right side of rear seat)
• Rim fuse 10a
• Rim/rpa/ isrvm/clm fuse 10a
• Rr stop/turn lmp sply voltage
• Rr turn sig lmp sply voltage
• Rt trn/ sbza fuse 10a
• Run/crank ign 1 voltage
• S11
• Sig gnd
• Standing lmp rly feed
• Steering wheel ctrl sply volt
• Tan
• Trunk ajar sw sig
• Trunk release rly output coil
• Trunk, tailgate, fuel doors system
• Windshield wiper park mtr ctrl
• Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 4) for Cadillac STS V 2009

List of elements for Computer Data Lines Wiring Diagram (1 of 4) for Cadillac STS V 2009:

• (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) j113
• (in passenger compt, behind left kick panel) g200
• (under left side of dash, near steering column) data link connector (dlc)
• 3.6l
• 4.4l & 4.6l
• Can bus high serial data
• Can bus low serial data
• Distance sensing cruise control (dscc) module (behind front fascia, near hood latch)
• Ecm/ tcm serial data wake up
• Ecm/tcm serial data wake up
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• G200 (in passenger compt, behind left kick panel)
• Headlamp leveling module (left side of headlamp assembly)
• High speed gmlan data wake up
• High speed gmlan serial data (+)
• High speed gmlan serial data (-)
• High speed gmlan serial data +
• High speed gmlan serial data -
• High speed gmlan serial data bus +
• High speed gmlan serial data bus -
• High speed gmlan serial data wake up
• Hot at all times
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Ip/ mdl/ aldl fuse 10a
• J116 (in forward lamp harness, 31 cm from right headlamp leveling actuator connector)
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Jx405 (behind left side of rear seat back)
• Low speed gmlan serial data
• Power steering control module (left side of dash, above park brake pedal)
• Tan
• Underhood fuse block (right front side of engine compt)
• W/ active brake control
• W/ auto adaptive cruise control
• W/ auto headlamps leveling
• W/ magnetic ride control
• W/o active brake control
• W/o auto adaptive cruise control
• W/o auto headlamps leveling

Computer Data Lines Wiring Diagram (2 of 4) for Cadillac STS V 2009

List of elements for Computer Data Lines Wiring Diagram (2 of 4) for Cadillac STS V 2009:

• Automatic transmission
• Can bus high serial data
• Can bus low serial data
• Control solenoid valve assembly
• Electronic brake control module (ebcm) (right front corner of engine compt)
• Hi spd gmlan serial data bus +
• High speed gmlan data wake up
• High speed gmlan serial data (+)
• High speed gmlan serial data (-)
• High speed gmlan serial data bus +
• High speed gmlan serial data bus -
• High speed gmlan serial data wakeup
• Jx100 (on forward lamp harness, left of center, behind front bumper)
• Low speed gmlan serial data
• Tan
• Vehicle communication interface module (vcim) (w/ onstar) (in rear compt, near right rear strut tower)
• W/ active brake control
• W/ auto adaptive cruise control
• W/ magnetic ride control
• W/ onstar
• W/o active brake control
• W/o active brake control & auto adaptive cruise control
• W/o auto adaptive cruise control
• W/o magnetic ride control
• W/o onstar

Computer Data Lines Wiring Diagram (3 of 4) for Cadillac STS V 2009

List of elements for Computer Data Lines Wiring Diagram (3 of 4) for Cadillac STS V 2009:

• (under passenger side
• Can bus high serial data
• Can bus low serial data
• Electronic suspension control (esc) module (w/ magnetic ride control) (below right "c" pillar)
• High speed gmlan serial data (+)
• High speed gmlan serial data (-)
• High speed gmlan serial data +
• High speed gmlan serial data -
• High speed gmlan serial data wake up
• Jx204
• Jx404 (behind right side of rear seat back)
• Jx405 (behind left side of rear seat back)
• Of dash, near g201)
• Serial data can bus high
• Steering wheel speed/position sensor (w/ active brake control)
• Tan
• Vehicle stability control module (w/ active brake control) (left rear wheel hub assembly)
• W/ active brake control
• W/o active brake control
• Yaw rate & lateral acceleration sensor (w/ active brake control) (under the front passenger seat)

Computer Data Lines Wiring Diagram (4 of 4) for Cadillac STS V 2009

List of elements for Computer Data Lines Wiring Diagram (4 of 4) for Cadillac STS V 2009:

• Audio amplifier (left side of luggage compt)
• B5 low speed gmlan serial data x1
• Digital radio receiver (on right side of package shelf)
• Driver door control module (ddm) (inside driver's door)
• Driver window switch
• Head up display (hud)
• Hvac control module (center of dash, below radio)
• If equipped
• Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
• Infotainment system
• Instrument panel cluster (ipc)
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Jx300 (on left frame rail, near left side of passenger seat)
• Jx303 (in passenger compt, on right frame rail, near right side of passenger seat)
• L low speed gmlan serial data x1
• Left rear door control module (inside left rear door)
• Low speed gmlan serial data
• Low speed gmlan serial data x1
• Low speed gmlan serial data x3
• Memory seat module (under driver seat)
• Passenger door control module (inside passenger's door)
• Radio
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Remote control door lock receiver (rcdlr) (under rear speaker shelf)
• Right rear door control module (rrdm) (inside right rear door)
• Tv antenna module (left side of rear shelf)

COOLING FAN

Cooling Fan Wiring Diagram for Cadillac STS V 2009

List of elements for Cooling Fan Wiring Diagram for Cadillac STS V 2009:

• (on right front frame rail, near bumper bracket) g104
• (or 476)
• 3.6l
• 3.6l & 4.6l w/o trailer provisions
• 4.4l & 4.6l
• 4.4l & 4.6l w/ trailer provisions
• 4.6l 4.4l 3.6l
• 87a
• Computer data lines system
• Ect sensor signal
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• Engine coolant temperature (ect) sensor (3.6l: in center of left cylinder head) (4.4l: rear of right cylinder head) (4.6l: in rear side of right cylinder head)
• Engine cooling fan
• Engine cooling fan resistor
• Fan 1 fuse 30a
• Fan 2 fuse 30a
• G104 (on right front frame rail, near bumper bracket)
• Hi fan spd relay
• Hi spd fan rly ctrl
• Hot at all times
• Hot w/ pwr/ trn relay energized
• Left engine cooling fan (behind radiator)
• Lo fan spd relay
• Low reference
• Low spd fan rly ctrl
• Post 02 snsr fuse 15a
• Right engine cooling fan (behind radiator)
• S/p fan relay
• Serial data bus +
• Serial data bus -
• Tan
• Underhood fuse block (right front side of engine compt)

CRUISE CONTROL

3.6L VIN V

3.6L VIN V, Cruise Control Wiring Diagram for Cadillac STS V 2009

List of elements for 3.6L VIN V, Cruise Control Wiring Diagram for Cadillac STS V 2009:

• (n engine harness, 387 cm from x102)
• (near left front strut tower, at bottom of inside fender well) g101
• 5 v ref
• 5 volt reference
• 5 volt reference 1
• 5 volt reference 2
• Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
• App sensor 1 signal
• App sensor 2 signal
• Automatic transmission
• Brake pedal position sensor (attached to top of brake pedal assembly)
• Ccp/rly coils fuse 10a
• Computer computer data lines data lines system system
• Computer data lines system
• Cruise control switch
• Cruise ind
• Cruise sw sig
• Display
• Distance sensing cruise control module (behind front fascia, near hood latch)
• Driver information center (dic)
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (front of engine, on right valve cover)
• Exterior lights system
• G104 (on right front frame rail, near bumper bracket)
• Gmlan serial data
• Gmlan serial data +
• Gmlan serial data -
• Gmlan serial wake up
• Gnd
• Ground
• Head up display (hud) (if equiped)
• Hot at all times
• Hot w/ run/crank relay energized
• Ignition
• Ignition 1 voltage
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J147
• J225 (in steering column harness)
• Lo ref
• Logic
• Low reference
• Pnk
• Power distribution system
• Sens sig
• Serial data bus +
• Serial data bus -
• Serial data gmlan
• Sound systems
• Tac motor control-1
• Tac motor control-2
• Tan
• Tcc/crs cntl
• Tcc/cruise control release sig
• Throttle body assembly (top front of engine)
• Tp sensor 1 signal
• Tp sensor 2 signal
• Transmission control module (tcm)
• Turn signal/multi-function switch
• Underhood fuse block (right front side of engine compt)

4.4L VIN D

4.4L VIN D, Cruise Control Wiring Diagram for Cadillac STS V 2009

List of elements for 4.4L VIN D, Cruise Control Wiring Diagram for Cadillac STS V 2009:

• (4.6l: in engine harness, 24 cm from x102)
• (near left front strut tower, at bottom of inside fender well) g101
• 4.4l
• 4.6l
• 5 v ref
• 5 volt reference
• 5 volt reference 1
• 5 volt reference 2
• Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
• App sensor 1 signal
• App sensor 2 signal
• Automatic transmission
• Brake pedal position sensor (attached to top of brake pedal assembly)
• Ccp/rly coils fuse 10a
• Computer data lines system
• Cruise control switch
• Cruise ind
• Cruise sw sig
• Display
• Distance sensing cruise control module (behind front fascia, near hood latch)
• Driver information center (dic)
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Exterior lights system
• G104 (on right front frame rail, near bumper bracket)
• Gmlan serial data
• Gmlan serial data +
• Gmlan serial data -
• Gmlan serial wake up
• Gnd
• Ground
• Head up display (hud) (if equiped)
• Hot at all times
• Hot w/ run/crank relay energized
• Ignition
• Ignition 1 voltage
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J147
• J225 (in steering column harness)
• Lo ref
• Logic
• Low reference
• Pnk
• Power distribution system
• Sens sig
• Serial data bus +
• Serial data bus -
• Serial data gmlan
• Sound systems
• Tac motor control-1
• Tac motor control-2
• Tan
• Tcc/crs cntl
• Tcc/cruise cntl rel sig
• Throttle body assembly (top front of engine)
• Tp sensor 1 signal
• Tp sensor 2 signal
• Transmission control module (tcm)
• Turn signal/multi-function switch
• Underhood fuse block (right front side of engine compt)

4.6L VIN A

4.6L VIN A, Cruise Control Wiring Diagram for Cadillac STS V 2009

List of elements for 4.6L VIN A, Cruise Control Wiring Diagram for Cadillac STS V 2009:

• (4.6l: in engine harness, 24 cm from x102)
• (near left front strut tower, at bottom of inside fender well) g101
• 4.4l
• 4.6l
• 5 v ref
• 5 volt reference
• 5 volt reference 1
• 5 volt reference 2
• Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
• App sensor 1 signal
• App sensor 2 signal
• Automatic transmission
• Brake pedal position sensor (attached to top of brake pedal assembly)
• Ccp/rly coils fuse 10a
• Computer data lines system
• Cruise control switch
• Cruise ind
• Cruise sw sig
• Display
• Distance sensing cruise control module (behind front fascia, near hood latch)
• Driver information center (dic)
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Exterior lights system
• G104 (on right front frame rail, near bumper bracket)
• Gmlan serial data
• Gmlan serial data +
• Gmlan serial data -
• Gmlan serial wake up
• Gnd
• Ground
• Head up display (hud) (if equiped)
• Hot at all times
• Hot w/ run/crank relay energized
• Ignition
• Ignition 1 voltage
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J147
• J225 (in steering column harness)
• Lo ref
• Logic
• Low reference
• Pnk
• Power distribution system
• Sens sig
• Serial data bus +
• Serial data bus -
• Serial data gmlan
• Sound systems
• Tac motor control-1
• Tac motor control-2
• Tan
• Tcc/crs cntl
• Tcc/cruise cntl rel sig
• Throttle body assembly (top front of engine)
• Tp sensor 1 signal
• Tp sensor 2 signal
• Transmission control module (tcm)
• Turn signal/multi-function switch
• Underhood fuse block (right front side of engine compt)

DEFOGGERS

Defoggers Wiring Diagram for Cadillac STS V 2009

List of elements for Defoggers Wiring Diagram for Cadillac STS V 2009:

• (right side of dash, behind glove box) instrument panel module (ipm)
• Computer data lines system
• Driver door control module (ddm) (inside driver's door)
• Driver outside rearview mirror
• Feed
• Front passenger door control module (fpdm) (inside passenger's door)
• Gmlan serial data
• Heated mirror element
• Hot at all times
• Hvac control module (center of dash, below radio)
• J300
• Left rear fuse block (under left side of rear seat)
• Logic
• Low reference
• Nca
• Passenger outside rearview mirror
• R10
• R25
• Rear defog fuse 40a
• Rear defog relay
• Rear defogger indicator
• Rear defogger switch
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Rear window defogger
• Relay control
• Right rear fuse block (under right side of rear seat)
• Rtn
• Run ign 3 volt
• Run relay
• Serial data

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram, with Active Brake for Cadillac STS V 2009

List of elements for Electronic Power Steering Wiring Diagram, with Active Brake for Cadillac STS V 2009:

• (near left front strut tower, at bottom of inside fender well) g101
• Actr frt active sig gnd
• Actr frt active sig mtr u
• Actr frt active sig mtr w
• Actr frt active sig u
• Actr frt active sig v
• Actr frt active sig w
• Afs fuse 30a
• Batt positive volt
• Can bus high serial data
• Can bus low serial data
• Computer data lines system
• Electronic brake control module (ebcm) (right front corner of engine compt)
• G200 (in passenger compt, behind left kick panel)
• Gnd
• Hot at all times
• Hot w/ run relay energized
• Ign
• Ign 3 fuse 10a
• J/c
• Left rear fuse block (under left side of rear seat)
• Pnk
• Power steering control module (pscm) (left side of dash, above park brake pedal)
• Serial data +
• Serial data -
• Serial data wakeup
• Steering angle sensor
• Tan
• Tan/
• Underhood fuse block (right front side of engine compt)
• Upper intermediate steering shaft

Electronic Power Steering Wiring Diagram, without Active Brake for Cadillac STS V 2009

List of elements for Electronic Power Steering Wiring Diagram, without Active Brake for Cadillac STS V 2009:

• Abs mtr fuse 50a
• Anti-lock brakes system
• Batt
• Computer data lines system
• Driver information center (dic) display
• Ecm/tcm/ign fuse 15a
• Electronic brake control module (ebcm) (right front corner of engine compartment)
• G110 (on right front frame rail, near right front strut tower)
• G200 (in passenger compartment, behind left kick panel)
• Gmlan serial data
• Gnd
• Hi effort ctrl
• High serial data
• Hot at all times
• Hot w/ run crnk relay energized
• Ign 1 volt
• Ing 1
• Instrument panel cluster (ipc)
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Lo effort ctrl
• Logic
• Low serial data
• Pnk
• Serial data +
• Serial data -
• Steering wheel speed/ position sensor (in passenger compartment, at base of steering column)
• Tan
• Underhood fuse block (right front side of engine compt)
• Variable effort steering actuator (in left rear engine compt, on steering rack)

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Cadillac STS V 2009

List of elements for Electronic Suspension Wiring Diagram for Cadillac STS V 2009:

• (behind right rear tire) automatic level control (alc) compressor
• (in rear compt, to rear of right rear shock tower) g401
• Automatic level
• Batt
• Battery voltage
• Computer data lines system
• Data signal
• Driver information center (dic) display
• Ekm/i/p mdl fuse 10a
• Elc cmprsr fuse 30a
• Elc cmprsr relay
• Elc exh fuse 10a
• Elec relay ctrl
• Electronic suspension control (esc) module (below right "c" pillar)
• G401 (in rear compt, to rear of right rear shock tower)
• Gmlan ser data +
• Gmlan ser data -
• Ground
• High serial data
• Hot at all times
• Hot w/ run relay energized
• Instrument panel cluster (ipc)
• Ipc class 2
• Left front shock absorber actuator (top of left front strut tower)
• Left front suspension position sensor (near left front strut)
• Left rear fuse block (under left side of rear seat)
• Left rear shock absorber actuator (top of left rear strut tower)
• Left rear suspension position sensor (near left rear strut)
• Lf damping ctrl
• Lf damping increase
• Lf position sens
• Lf sens vol ref
• Lo serial data
• Logic
• Lr damping ctrl
• Lr position sens
• Lr sens vol ref
• Mrtd mdl fuse 25a
• Nca
• R10
• Rf damping ctrl
• Rf position sens
• Rf raid ctrl
• Rf sens vol ref
• Right front shock absorber actuator (top of right front strut tower)
• Right front suspension position sensor (near right front strut)
• Right rear shock absorber actuator (top of right rear strut tower)
• Right rear suspension position sensor (near right rear strut)
• Rr damping decrease
• Rr damping increase
• Rr position sens
• Rr sens vol ref
• Sensor low ref
• Tan
• Underhood fuse block (right front side of engine compt)

ENGINE PERFORMANCE

3.6L VIN V

3.6L VIN V, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2009:

• (1, 3 & 5: top right side of engine) fuel injectors
• (18 cm from ignition coil 1 connector)
• (2, 4 & 6: top left side of engine)
• (36 cm from ignition coil module 2 connector)
• (near right front of engine block) g109
• (rear of left cylinder head) high pressure fuel pump
• (right rear side of engine block, near starter) g112
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• After boil coolant sply volt
• Anti-lock brakes system
• Camshaft phaser exhaust sol 1
• Ckp sens 1 sig
• Cmp actr sol exhaust bank 2
• Cmp actr sol intake bank 1
• Cmp exhaust sens 1
• Cmp exhaust sens 2
• Cmp intake bank 1 sig
• Cmp sens intake bank 1 sig
• Cmp sens intake bank 2 sig
• Engine control module (ecm) (front of engine, on right valve cover)
• Evap cnstr purge sol ctrl
• Frp sens sig
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Generator field duty cycle sig
• Generator turn on sig
• Ic 1 ctrl
• Ic 3 ctrl
• Ic 5 ctrl
• Ignition coil 1 (on top front of left valve cover)
• Ignition coil 2 (on top front of right valve cover)
• Ignition coil 3 (on top center of left valve cover)
• Ignition coil 4 (on top center of right valve cover)
• Ignition coil 5 (on top rear of left valve cover)
• Ignition coil 6 (on top rear of right valve cover)
• J127
• J131
• Low ref
• Low ref hi press fuel pump actr sol ctrl
• Nca
• Plug spark
• Sound systems
• Spark plug
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Vacuum pump rly ctrl
• Vehicle spd sig

3.6L VIN V, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2009:

• (bank 1 sens 1) ho2s lo sig
• (bank 1 sens 1) ho2s low ref
• (bank 2 sens 1)
• (bank 2 sens 1) ho2s ref volt
• (bank 2 sens 1) low ref
• (in engine harness, 27 cm from evap canister purge solenoid valve connector) j101
• (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
• (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
• (on right side of engine, near valve cover) evaporative emissions (evap) canister purge solenoid valve
• (top left front of engine) camshaft position (cmp) actuator solenoid valve exhaust bank 2
• (top left front of engine) camshaft position (cmp) actuator solenoid valve intake bank 2
• (top right front of engine) camshaft position (cmp) actuator solenoid valve exhaust bank 1
• (top right front of engine) camshaft position (cmp) actuator solenoid valve intake bank 1
• Ect sens sig
• Engine control module (ecm) (front of engine, on right valve cover)
• Engine coolant temperature (ect) sensor (in center of left cylinder head)
• Engine oil pressure (eop) sensor (on left side of engine, attached to oil filter adapter housing)
• Fuel inj 1 ctrl
• Fuel inj 4 ctrl
• Ho2s hi sig
• Ho2s htr lo ctrl
• Ic 2 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Ign 1 volt
• Knock sens 1 sig
• Knock sens 2 sig
• Knock sensor (ks) bank 1 (on right side of engine)
• Knock sensor (ks) bank 2 (on left side of engine)
• Low ref
• Nca
• Oil press sens sig
• Tan
• Tp sens 1 sig
• Tp sens 2 sig
• X1 (bank 1 sens 1) ho2s htr lo ctrl

3.6L VIN V, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2009:

• (in engine compt, on fuel rail)
• (left front side of engine block) auxiliary coolant pump
• 5 volt ref
• A/c cmprsr cltch relay
• Brake vac pump fuse 15a
• Brk vac pump relay
• Camshaft position (cmp) sensor exhaust bank 1 (top right front of engine)
• Camshaft position (cmp) sensor exhaust bank 2 (top left front of engine)
• Camshaft position (cmp) sensor intake bank 1 (top front of engine)
• Camshaft position (cmp) sensor intake bank 2 (top front of engine)
• Ckp sig
• Cmp sig
• Crankshaft position sensor (lower right rear of engine)
• Ecm 1 fuse 15a
• Ecm/tcm batt fuse 10a
• Even coils fuse 15a
• Fan s/p relay
• Fuel cool fuse 10a
• Fuel cool relay
• Fuel rail pressure (frp) sensor
• G100 (on rear side of right cylinder head)
• Hi fan spd relay
• Hot at all times
• J124
• J160
• Lo fan spd relay
• Low ref
• Odd coils fuse 15a
• Pnk
• Post o2 snsr fuse 15a
• Pre o2 snsr fuse 15a
• Pwr/trn relay
• Sens 1 exhaust
• Sens 2 exhaust
• Sens rtn
• Tan
• Throttle body assembly (top front of engine)
• Tps1
• Tps2
• Underhood fuse block (right front side of engine compt)

3.6L VIN V, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2009:

• (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
• Cnstr vent fuse 10a
• Evaporative emission (evap) canister vent solenoid valve (under rear of vehicle, above rear differential)
• Fuel pump
• Fuel pump & sender assembly (in fuel tank)
• Fuel pump fuse 20a
• Fuel pump relay
• Fuel tank pressure (ftp) sensor (attached to evap canister vent solenoid, at rear of fuel tank)
• G401 (in rear compt, to rear of right rear shock tower)
• Hot at all times
• J/c
• J406
• Left fuel tank sensor
• R11
• R12
• R13
• R15
• Right rear fuse block (under right side of rear seat)
• Secondary fuel level sensor (top left of fuel tank)
• Tan

3.6L VIN V, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2009:

• (in air intake duct) mass air flow (maf)/intake air temperature (iat) sensor
• (in engine harness, 52 cm from ho2s bank 1 sensor 2 connector)
• (on left exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
• (on rear side of right cylinder head) g100
• (on right exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• A/c compressor clutch rly ctrl hi spd cooling fan rly ctrl
• A/c refrigerant pressure sensor
• Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Batt positive volt
• Computer data lines system
• Cooling fans system
• Ecm/tcm ign fuse 15a
• Ecm/tcm serial data wake up hi spd gmlan serial data bus (+)
• Engine control module (ecm) (front of engine, on right valve cover)
• Evap canister vent sol ctrl ho2s htr lo ctrl (bank 2 sens 2) mil ctrl
• Exterior lights system
• Fuel lvl sens sig
• Fuel pump rly ctrl
• Fuel tank press sens sig
• G100 (on rear side of right cylinder head)
• Gmlan serial data bus (-)
• Gnd
• Ho2s hi sig (bank 1 sens 2) a/c refrig press sens sig
• Ho2s hi sig (bank 2 sens 2)
• Ho2s htr lo sig (bank 2 sens 2)
• Hot w/ run crnk relay energized
• Iat sens sig
• Ign
• Ign 1 volt
• Ign 1 volt ho2s htr lo ctrl (bank 1 sens 2)
• Ign lk cyl ctrl actr sig
• Instrument panel cluster (ipc)
• J104
• J109
• Lo spd cooling fan rly ctrl
• Lo spd gmlan serial data
• Logic
• Low ref
• Low ref ho2s htr lo sig (bank 1 sens 2)
• Maf sens sig
• Main rly ctrl
• Malfunction ind
• Nca
• Pnk
• Run/ crank ign 1 volt
• Sens sig
• Starter rly coil ctrl
• Starting/charging system
• Stop lamp sw sig
• Tan
• Tan c
• Transmissions system
• Underhood fuse block (right front side of engine compt)

4.4L VIN D

4.4L VIN D, Engine Performance Wiring Diagram (1 of 6) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (1 of 6) for Cadillac STS V 2009:

• (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) j406
• (in fuel tank) fuel pump & sender assembly
• (top left of fuel tank) secondary fuel level sensor
• 5 volt ref
• 5 volt ref 1
• A/c refrigerant press sig
• A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
• Baro sens low ref
• Baro sensor sig
• Barometric pressure (baro) sensor (top right side engine)
• Cnstr vent fuse 10a
• Computer data lines system
• Coolant pump rly ctrl
• Cooling fans system
• Ect sensor sig
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Engine coolant temperature (ect) sensor (rear of right cylinder head)
• Evap cnstr purge sol ctrl
• Fuel pump
• Fuel pump fuse 20a
• Fuel pump relay
• G100 (on rear side of right cylinder head)
• G401 (in rear compt, to rear of right rear shock tower)
• Generator field duty cycle sig
• Generator turn on sig
• Ground
• Hi spd gmlan bus +
• Hi spd gmlan serial data bus -
• Ho2s hi sig (bank 2 sens 1)
• Ho2s hi sig (bank 2 sens 2)
• Ho2s lo sig (bank 2 sens 1)
• Ho2s lo sig (bank 2 sens 2)
• Hot at all times
• Htr lo ctrl (bank 2 sens 1)
• Iat 2 low ref
• Iat 2 sig
• Intake air temperature (iat) sensor 2 (top right front of engine, under intake air tube)
• J/c
• J152
• Left fuel tank sensor
• Lo spd cooling fan rly ctrl ho2s htr lo ctrl (bank 2 sens 2)
• Low ref
• Manifold absolute pressure (map) sensor (top right side of engine, near baro sensor)
• Map sensor sig
• Oil level sw sig
• Park/neutral sig
• Pnk
• R11
• R12
• R13
• R15
• Right rear fuse block (under right side of rear seat)
• Starting/ charging system
• Starting/charging system
• Tan
• Transmissions system
• Vacuum bypass vlv ctrl

4.4L VIN D, Engine Performance Wiring Diagram (2 of 6) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (2 of 6) for Cadillac STS V 2009:

• (at bottom of radiator, between fans) charge air cooler (cac) coolant pump
• (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
• (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) j113
• (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
• (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
• Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
• Automatic transmission
• Computer data lines system
• Data
• Evaporative emissions (evap) canister purge solenoid valve (on rear of engine, near throttle body)
• Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle, above rear differential)
• G100 (on rear side of right cylinder head)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe, after catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe, after catalytic converter)
• Hot at all times
• Ign
• Inclr pump fuse 10a
• Inclr pump relay
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J101
• Left rear fuse block (under left side of rear seat)
• Logic
• Malfunction indicator lamp
• Nca
• Pnk
• Tan

4.4L VIN D, Engine Performance Wiring Diagram (3 of 6) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (3 of 6) for Cadillac STS V 2009:

• (in front center of engine,at number 2 injector) supercharger bypass valve solenoid
• (in left side of rear compt, under rear shelf) rear object sensor control module
• 5 volt ref 1
• A/c cmprsr cltch relay
• A/c compressor
• Air conditioning system
• App sensor 1 sig
• App sensor 2 sig
• Battery positive volt
• Clutch rly ctrl
• Cooling fans system
• Data wake up ecm/tcm serial
• Ecm 1 fuse 15a
• Ecm/tcm batt fuse 10a
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Evap canister vent sol ctrl
• Exterior lights system
• Fan s/p relay
• Fuel pump relay ctrl
• Fuel tank press sens sig
• Hi fan spd relay
• Hi spd cooling fan rly ctrl
• Hot at all times
• Hot w/ run crnk relay energized
• Inlet air press sens sig
• Inside rearview mirror (isrvm)
• J104
• Lo fan spd relay
• Low ref
• Mil ctrl
• Pnk
• Post o2 snsr fuse 15a
• Powertrain rly ctrl
• Pre o2 snsr fuse 15a
• Pwr/trn relay
• Radio
• Run/crank ign 1 volt
• Secondary fuel lvl sens sig
• Starter rly coil ctrl
• Starting/ charging system
• Stop lamp sw sig
• Tan
• To even coils fuse (diagram 4 of 6)
• Transmissions system
• Underhood fuse block (right front side of engine compt)
• Vehicle speed sig
• W/ infotainment system 012, 014 & 015
• W/ intelligent high beam control

4.4L VIN D, Engine Performance Wiring Diagram (4 of 6) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (4 of 6) for Cadillac STS V 2009:

• (in ignition coil harness) j137
• (in ignition coil harness, 30 cm from ignition coil module 1 connector)
• (in ignition coil harness, 30 cm from ignition coil module 7 connector) j146
• (in ignition coil harness, 31 cm from ignition coil module 8 connector) j135
• (in ignition coil harness, 36 cm from ignition module 2 connector) j131
• (on rear side of right cylinder head) g107
• (on top right side of engine) supercharger air inlet pressure sensor
• Even coils fuse 15a
• From a pwr/trn relay (diagram 3 of 6)
• Fuel injectors (1, 3, 5 & 7: top right side of engine) (2, 4, 6 & 8: top left side of engine)
• G107 (on rear side of right cylinder head)
• Ignition coils (1, 3, 5 & 7: top left side of engine) (2, 4, 6 & 8: top right side of engine)
• J127
• J133
• J142
• J144
• Nca
• Odd coils fuse 15a
• Pnk
• Pnk a
• Pnk b
• Spark plug
• Tan
• Tan c
• Underhood fuse block (right front side of engine compt)

4.4L VIN D, Engine Performance Wiring Diagram (5 of 6) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (5 of 6) for Cadillac STS V 2009:

• 5 volt ref
• Camshaft position (cmp) actuator solenoid valve exhaust bank 1 (top right front of engine)
• Camshaft position (cmp) actuator solenoid valve intake bank 1 (top right front of engine)
• Camshaft position (cmp) actuator solenoid valve intake bank 2 (top left front of engine)
• Camshaft position (cmp) sensor exhaust bank 1 (top right front of engine)
• Camshaft position (cmp) sensor exhaust bank 2 (top left front of engine)
• Camshaft position (cmp) sensor intake bank 1 (top right front of engine)
• Camshaft position (cmp) sensor intake bank 2 (top left front of engine)
• Ckp sens sig
• Cmp sig
• Crankshaft position (ckp) sensor (top center of engine)
• Low ref
• Pnk
• Tan

4.4L VIN D, Engine Performance Wiring Diagram (6 of 6) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (6 of 6) for Cadillac STS V 2009:

• 5 volt ref 1
• 5 volt ref 2
• Camshaft position (cmp) actuator solenoid valve exhaust bank 2 (left front of engine)
• Ckp sensor sig
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Engine oil level/ temperature sensor (bottom center of engine oil pan)
• Engine oil pressure (eop) sensor (on left side of engine)
• Exhaust bank 1 ctrl
• Exhaust bank 1 sig
• Exhaust bank 2 ctrl
• Exhaust bank 2 sig
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7 ctrl
• Fuel inj 8 ctrl
• G100 (on rear side of right cylinder head)
• Gnd
• Ground
• Hi sig (bank 1 sens 1)
• Hi sig (bank 1 sens 2)
• Ho2s htr low ctrl
• Iat sensor sig
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ign 1 volt
• Intake bank 1 sig
• Intake bank 2 sig
• J109
• J152
• Knock sensor (ks) 1 (on right side of engine, under intake manifold)
• Knock sensor (ks) bank 2 (on left side of engine, under intake manifold)
• Ks 1 sig
• Ks 2 sig
• Lo sig (bank 1 sens 1)
• Lo sig (bank 1 sens 2)
• Low ref
• Low ref inlet air press sens rtn
• Maf sensor sig
• Maf sig
• Mass air flow (maf)/intake air temperature (iat) sensor (in air intake duct)
• Nca
• Oil press sens sig
• Oil temp sens low ref
• Oil temp sens sig
• Pnk
• Sol intake bank 1 ctrl
• Sol intake bank 2 ctrl
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tan d
• Tan e
• Throttle body assembly (top front of engine)
• Tp sensor 1 sig
• Tp sensor 2 sig

4.6L VIN A

4.6L VIN A, Engine Performance Wiring Diagram (1 of 6) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 6) for Cadillac STS V 2009:

• (on left front frame rail, below left headlamp assembly) engine control module (ecm)
• 5 volt ref 1
• A/c refrigerant press sens sig
• A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
• Cnstr vent fuse 10a
• Computer data lines system
• Cooling fans system
• Ect sensor sig
• Engine coolant temperature (ect) sensor (in rear side of right cylinder head)
• Evap canister purge sol ctrl
• Evaporative emissions (evap) canister purge solenoid valve (on rear of engine, near throttle body)
• Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential)
• Fuel pump fuse 20a
• Fuel pump relay
• G100 (on rear side of right cylinder head)
• G401 (in rear compt, to rear of right rear shock tower)
• Generator field duty cycle sig
• Generator turn on sig
• Ground
• Hi spd gmlan serial data bus +
• Hi spd gmlan serial data bus -
• Ho2s hi sig (bank 2 sens 1)
• Ho2s hi sig (bank 2 sens 2)
• Ho2s htr lo ctrl (bank 2 sens 1)
• Ho2s lo sig (bank 2 sens 1)
• Ho2s lo sig (bank 2 sens 2)
• Hot at all times
• Ign
• Instrument panel cluster (ipc)
• J/c
• J152
• Lo spd cooling fan relay ctrl ho2s htr lo ctrl (bank 2 sens 2)
• Lo spd gmlan serial data
• Logic
• Low ref
• Malfunction ind
• Manifold absolute pressure (map) sensor (front center of engine, in back of throttle body)
• Map sensor sig
• Park/neutral sig
• R11
• R12
• R13
• R15
• Right rear fuse block (under right side of rear seat)
• Starting/ charging system
• Starting/charging system
• Tan
• Transmissions system

4.6L VIN A, Engine Performance Wiring Diagram (2 of 6) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 6) for Cadillac STS V 2009:

• (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
• (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) j406
• (on left exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
• (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
• (on right exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
• (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
• (top left of fuel tank) secondary fuel level sensor
• Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
• Camshaft position (cmp) actuator solenoid valve exhaust bank 1 (right front of engine)
• Camshaft position (cmp) actuator solenoid valve exhaust bank 2 (left front of engine)
• Camshaft position (cmp) actuator solenoid vlave intake bank 1 (top right front of engine)
• Camshaft position (cmp) actuator solenoid vlave intake bank 2 (top left front of engine)
• J101 (in engine harness, 15 cm from fuel injector 5 connector)
• Knock sensor (ks) bank 2 (on left side of engine, under intake manifold)
• Nca
• Tan

4.6L VIN A, Engine Performance Wiring Diagram (3 of 6) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 6) for Cadillac STS V 2009:

• (in fuel tank) fuel pump & sender assembly
• (in rear compt, to rear of right rear shock tower)
• 5 volt ref 1
• A/c cmprsr cltch relay
• A/c compressor ctrl
• Air conditioning system
• App sensor 1 sig
• App sensor 2 sig
• Battery positive volt
• Computer data lines system
• Cooling fans system
• Ecm 1 fuse 15a
• Ecm/ tcm batt fuse 10a
• Ecm/tcm ign fuse 15a
• Ecm/tcm serial data
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Evap canister ctrl
• Exterior lights system
• Fan s/p relay
• Ftp sensor sig
• Fuel level sensor sig
• Fuel pump relay ctrl
• G401
• Hi fan spd relay
• High speed relay ctrl
• Hot at all times
• Hot w/ run crnk relay energized
• J104
• J109
• Left fuel tank sensor
• Lo fan spd relay
• Low ref
• Mil ctrl
• Pnk
• Post o2 snsr fuse 15a
• Powertrain relay ctrl
• Pre o2 snsr fuse 15a
• Pwr/trn relay
• Run/crank ign 1 volt
• Secondary sensor sig
• Starter rly coil ctrl
• Starting/charging system
• Stop lamp switch sig
• Tan
• To even coils fuse (diagram 4 of 6)
• Transmissions system
• Underhood fuse block (right front side of engine compt)
• Vehicle speed sig

4.6L VIN A, Engine Performance Wiring Diagram (4 of 6) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 6) for Cadillac STS V 2009:

• (in engine poa harness, 18 cm from ignition coil 1 connector)
• (in ignition coil harness) j137
• (in ignition coil harness, 30 cm from ignition coil module 1 connector)
• (in ignition coil harness, 30 cm from ignition coil module 7 connector) j146
• (in ignition coil harness, 31 cm from ignition coil module 8 connector) j135
• (in ignition coil harness, 36 cm from ignition coil module 2 connector) j131
• (on rear side of right cylinder head) g107
• B tan
• Even coils fuse 15a
• From a pwr/trn relay (diagram 3 of 6)
• Fuel injectors (1, 3, 5 & 7: top right side of engine) (2, 4, 6 & 8: top left side of engine)
• Ignition coil (2, 4, 6 & 8: top right side of engine) (1, 3, 5 & 7: top left side of engine)
• Inside rearview mirror
• J127
• J133
• J142
• Nca
• Odd coils fuse 15a
• Plug spark
• Pnk
• Pnk a
• Pnk b
• Radio
• Rear object sensor control module (in left side of rear compt, under rear shelf)
• Spark plug
• Tan
• Tan c
• Underhood fuse block (right front side of engine compt)
• W/ infotainment system 012, 014 & 015
• W/ intelligent high beam control

4.6L VIN A, Engine Performance Wiring Diagram (5 of 6) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 6) for Cadillac STS V 2009:

• 5 volt ref
• A pnk
• B tan
• Camshaft position (cmp) sensor exhaust bank 1 (top right front of engine)
• Camshaft position (cmp) sensor exhaust bank 2 (top left front of engine)
• Camshaft position (cmp) sensor intake bank 1 (top right front of engine)
• Camshaft position (cmp) sensor intake bank 2 (top left front of engine)
• Cmp sig
• Engine oil pressure (eop) sensor (on left side of engine)
• Low ref
• Pnk
• Tan

4.6L VIN A, Engine Performance Wiring Diagram (6 of 6) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (6 of 6) for Cadillac STS V 2009:

• 5 volt ref 1
• 5 volt ref 2
• Ckp sens sig
• Ckp sensor sig
• Cmp actr sol exhaust bank 1 ctrl
• Cmp actr sol exhaust bank 2 ctrl
• Cmp actr sol intake bank 1 ctrl
• Cmp actr sol intake bank 2 ctrl
• Cmp sens exhaust bank 1 sig
• Cmp sens exhaust bank 2 sig
• Cmp sens intake bank 1 sig
• Cmp sens intake bank 2 sig
• Crankshaft position (ckp) sensor (top center of engine)
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7 ctrl
• Fuel inj 8 ctrl
• G100 (on rear side of right cylinder head)
• Gnd
• Ground
• Ho2s high sig (bank 1 sensor 1)
• Ho2s high sig (bank 1 sensor 2)
• Ho2s htr low ctrl (bank 1 sens 1)
• Ho2s htr low ctrl (bank 2 sens 1)
• Ho2s low sig (bank 1 sensor 1)
• Ho2s low sig (bank 1 sensor 2)
• Iat sensor sig
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ign 1 volt
• J152
• Knock sensor (ks) bank 1 (on right side of engine, under intake manifold)
• Knock sensor 1 sig
• Knock sensor 2 sig
• Low ref
• Maf sens sig
• Maf sensor sig
• Mass air flow (maf)/intake air temperature (iat) sensor (in air intake duct)
• Nca
• Oil press sens sig
• Pnk
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan
• Tan d
• Tan e
• Throttle body assembly (top front of engine)
• Tp sensor 1 sig
• Tp sensor 2 sig
• Volt ref

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Cadillac STS V 2009

List of elements for Backup Lamps Wiring Diagram for Cadillac STS V 2009:

• A x2
• Automatic transmission
• Automatic transmission internal mode switch (ims)
• Bck/up lamp fuse 10a
• Bck/up lamp relay
• Computer data lines system
• Control solenoid valve assembly
• G402 (in rear compt, to rear of left rear shock tower)
• Gnd
• Hot at all times
• J/c
• J401
• Left backup lamp
• Left rear fuse block (under left side of rear seat)
• Lo spd gmlan ser data
• R36
• R37
• R38
• R40
• Range sw sig a
• Range sw sig b
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Red
• Reverse rly ctrl
• Right backup lamp
• S24
• S25
• S28
• Serial data +
• Serial data -
• Tan
• Transmission control module (tcm)

Exterior Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in passenger compt, behind left kick panel) g200
• (in rear compt, to rear of left rear shock tower) g402
• (near left front strut tower, at bottom of inside fender well) g101
• Auto
• Back light lamp
• Batt positive voltage
• Brake pedal position sensor (attached to top of brake pedal assembly)
• Brake sensor sig
• Computer data lines system
• G104 (on right front frame rail, near bumper bracket)
• G201 (in passenger compt, behind right kick panel)
• Gmlan serial data
• Ground
• Ground distribution system
• Hazard sw sign
• Hazard switch
• Headlamps on sig
• Hot at all times
• I/p mdl/ aldl fuse 10a
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• J226
• J311
• J401
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Left
• Left front repeater lamp
• Left front turn signal lamp
• Left license lamp
• Left turn signal ind
• Left turn signal voltage
• Left turn sw sig
• Lic dim fuse 7.5a
• Lo speed gmlan serial data
• Logic
• Low reference
• Low speed gmlan
• Lt trn/ ldw fuse 10a
• Master lightning ind
• Off
• Park head
• Park lamp relay
• Park lamp rly ctrl
• Park lamp sw on sig
• Power distribution system
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Right
• Right front repeater lamp
• Right front turn signal lamp
• Right license lamp
• Right rear fuse block (under right side of rear seat)
• Right turn signal ind
• Right turn signal voltage
• Right turn sw sig
• Rim fuse 10a
• Signal
• Sply volt
• Stop lamp sw sign
• To underhood fuse block lt park fuse, (diagram 2 of 2)
• Turn signal/ multi-function switch
• Underhood fuse block (right front side of engine compt)
• V/ check fuse 10a
• W/ gps 1 & hid
• W/ hid

Exterior Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (in body harness, 58 cm from right rear fuse block c1) j306
• (in body harness, 72 cm from right rear fuse block c1) (w/ gps 1) j317
• (right front side of engine compt) underhood fuse block
• (under right side of rear seat) right rear fuse block
• Center high mounted stop lamp (chmsl)
• Engine controls & transmissions systems
• From underhood a fuse block lic dim fuse (diagram 1 of 2)
• G104 (on right front frame rail, near bumper bracket)
• G401 (in rear compt, to rear of right rear shock tower)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• J/c
• J108
• J109
• J401
• J409
• Left front marker lamp
• Left front park lamp
• Left headlamp
• Left rear marker lamp
• Left tail lamp
• Left tail lamp outage detection signal
• Logic
• Lt park fuse 10a
• R36
• R37
• R38
• R40
• Right front marker lamp
• Right front park lamp
• Right headlamp
• Right rear marker lamp
• Right tail lamp
• Right tail lamp outage detection signal
• Rt park fuse 10a
• S12
• S13
• S14
• Stop lamp relay
• Stop lamps fuse 10a
• W/ gps 1 & hid

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS V 2009

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS V 2009:

• (4.4l & 4.6l) (3.6l)
• (4.4l) charge air cooler (cac) coolant pump
• (if equipped) headlamp washer fluid pump
• (w/ active brake control) power steering control module (pscm)
• 3.6l
• 4.6l & 4.4l
• A/c compressor clutch
• Automatic headlamp dimming relay
• Automatic transmission
• B c
• Battery
• Brake fluid level switch
• Control solenoid valve assembly
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• G100 (on rear side of right cylinder head)
• G101 (near left front strut tower, at bottom of inside fender well)
• G105 (at back of underhood fuse block)
• G106 (on rear side of right cylinder head)
• G110 (on right front frame rail, near right front strut tower)
• G306 (under center console)
• G403 (on right side "c" pillar, near rear window)
• G404 (on left side "c" pillar, near rear window)
• If equipped
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel module (ipm)
• Intelligent high beam control
• J152 (in engine harness, near the ecm module)
• Left heated washer nozzle
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Nca
• Rear window defogger
• Rear window keyless entry antenna
• Right heated washer nozzle
• Windshield washer fluid level switch
• Windshield washer fluid pump
• Windshield wiper/ washer module

Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS V 2009

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS V 2009:

• (if equipped)
• (right front side of engine compartment) underhood fuse block
• (w/ auto recirculating) air quality sensor
• 4.4l
• 4.4l & 4.6l
• 4.6l & 3.6l
• Accy relay
• Distance sensing cruise control module (dscc)
• Engine cooling fan resistor
• Except 4.4l w/0 extra capacity cooling system & trailer provision
• G104 (on right front frame rail, near bumper bracket)
• G107 (4.6l & 4.4l) (on rear side of right cylinder head)
• Headlamp leveling module
• Hood ajar switch
• Horn assembly
• Ignition coil/ module 1
• Ignition coil/ module 2
• Ignition coil/ module 3
• Ignition coil/ module 4
• Ignition coil/ module 5
• Ignition coil/ module 6
• Ignition coil/ module 7
• Ignition coil/ module 8
• J108
• J109
• J133 (in ignition coil harness, 30 cm from ignition coil module 2 connector)
• J144 (in ignition coil harness, 39 cm from ignition coil module 1 connector)
• Left front fog lamp
• Left front marker lamp
• Left front park lamp
• Left front repeater lamp
• Left front turn signal lamp
• Left high beam headlamp
• Left low beam headlamp
• Right engine cooling fan
• Right front fog lamp
• Right front marker lamp
• Right front park lamp
• Right front repeater lamp
• Right front turn signal lamp
• Right high beam headlamp
• Right low beam headlamp
• Run crnk relay
• S/p fan relay
• W/ automatic adaptive cruise control
• W/ extra capacity cooling system & trailer provision

Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS V 2009

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS V 2009:

• (if equipped) head up display (hud)
• Data link connector (dlc)
• Driver door control module
• Driver door handle
• Driver door latch
• Driver door lock switch
• Driver window motor
• Driver window switch
• G109 (3.6l) (near right front of engine block)
• G112 (3.6l) (right rear side of engine block, near starter)
• G200 (in passenger compartment, behind left kick panel)
• Heated steering wheel
• Heated steering wheel control module
• I/p dimmer switch
• If equipped
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Inflatable restraint steering wheel module coil
• Instrument panel cluster (ipc)
• Interior rear compartment lid release switch
• J201
• J202 (in instrument panel harness, 50.5 cm from left front speaker)
• J224 (in steering column harness)
• J228 (in steering column harness)
• J500 (in driver door harness, 32 cm from driver window motor connector)
• J501 (in driver door trim harness, 47 cm from driver door lock switch connector)
• J700 (in left rear door harness, 32 cm from x701)
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Left rear door control module
• Left rear door latch
• Left rear window motor
• Left rear window switch
• Left steering wheel control switch
• Nca
• Power steering control module (pscm)
• Right steering wheel control switch
• Steering wheel speed/ position sensor
• Turn signal/ multifunction switch
• W/ active brake control
• X276
• X277

Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS V 2009

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS V 2009:

• (rear seat heater) auxiliary hvac control module
• (w/ cigar lighter ashtray) rear cigar lighter (w/o cigar lighter ashtray) center console accessory power outlet
• (w/o cigarette lighter ashtray) i/p accessory power outlet (w/ cigarette lighter ashtray) front cigar lighter
• Automatic transmission shift lever
• Blower motor control module
• Center console compartment accessory power outlet
• Climate control seat module
• Driver back heated seat element
• Driver back ventilated seat blower motor
• Driver cushion heated seat element
• Driver cushion ventilated seat blower motor
• Driver seat adjuster switch
• Driver seat belt switch
• G201 (in passenger compartment, behind right kick panel)
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Hazard switch
• Hvac control module
• I/p compartment lamp switch
• Ignition mode switch
• Instrument panel module (ipm)
• J210 (in dash harness, 35 cm from x214)
• J600 (in passenger door harness, 32 cm from front passenger window motor connector)
• J601 (in passenger door trim harness, 42 cm from passenger door lock switch connector)
• Memory seat module (msm)
• Nca
• Passenger back heated seat element
• Passenger back ventilated seat blower motor
• Passenger cushion heated seat element
• Passenger cushion ventilated seat blower motor
• Passenger door control module
• Passenger door handle
• Passenger door latch
• Passenger door lock switch
• Passenger seat adjuster switch
• Passenger seat belt switch
• Passenger seat lumbar switch
• Passenger window motor
• Passenger window switch
• Right rear door control module
• Right rear door lock
• Right rear window motor
• Right rear window switch
• Seat adjuster switch connector)
• Traction control switch
• W/ active brake control
• W/ cigar lighter ashtray
• W/ front seat heater
• W/ power lumbar seats
• W/o active brake control
• W/o cigar lighter ashtray
• W/o front seat heater
• W/o power lumbar seats
• Yaw & lateral accelerometer sensor

Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS V 2009

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS V 2009:

• (if equipped) garage door opener (gdo)
• (if equipped) rear heated seat control module
• (if equipped) sunroof control module
• (if equipped) sunroof switch
• (if equipped) tire pressure module
• (if equipped) windshield outside moisture sensor
• (not used)
• (under left side of rear seat) left rear fuse block
• (under right side of rear seat) right rear fuse block
• (w/ active brake control) vehicle stability control module
• (w/ digital radio) digital radio receiver
• (w/ hid) left rear fog lamp
• (w/ hid) right rear fog lamp
• (w/ info- tainment system 015) traffic information receiver
• (w/ infotainment system 012, 014, 015) left front speaker
• (w/ infotainment system 012, 014, 015) right front speaker
• (w/ magnetic ride control) electronic suspension control (esc) module
• (w/ onstar) vehicle communication interface module (vcim)
• (wcv) windshield wiper inhibit relay
• 15-speaker system
• Audio amplifier
• Automatic level control (alc) compressor
• Center high mounted stop lamp (chmsl)
• Differential cooler pump
• Exterior rear compartment lid release switch
• Front overhead courtesy/ reading lamps
• Fuel pump & sender assembly
• G401 (in rear compt, to rear of right rear shock tower)
• G402 (in rear compt, to rear of left rear shock tower)
• Inflatable restraint i/p module indicator
• Inside rearview mirror (isrvm)
• J401 (in body harness, 15 cm from exterior rear compt release switch connector)
• J409
• Left backup lamp
• Left license lamp
• Left rear marker lamp
• Left side object sensor
• Left sunshade
• Left tail lamp
• Nca
• R21
• R25
• Radio
• Rear compartment lid latch
• Rear integration module (rim)
• Rear object sensor control module
• Rear overhead courtesy/ reading lamps
• Rear subwoofer speaker
• Remote control door lock receiver (rcdlr)
• Right backup lamp
• Right license lamp
• Right rear marker lamp
• Right side object sensor
• Right sunshade
• Right tail lamp
• Run relay
• Run/crnk relay
• Vehicle direction alert alarm warning module
• W/ axle cooling system
• W/ lane departure warning sensor indicator
• W/ side obstacle detection sensor indicator
• W/ soft ride, sport suspension system & magnetic ride control
• W/ trailer provisions
• X402

HEADLIGHTS

Headlamps Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Headlamps Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in dash harness, 51 cm from left front dash speaker connector) j202
• Air conditioning system
• Auto
• Automatic headlamp dimming relay (w/ intelligent high beam) (on underhood fuse block)
• C (not used)
• Computer data lines system
• Flash to pass sw sig
• Fog lamp rly ctrl
• Fog lamp sw sig
• Fog lamps ind
• Front fog lamp switch
• Ftp
• G101 (near left front strut tower, at bottom of inside fender well)
• G200 (in passenger compt, behind left kick panel)
• Gmlan
• Gmlan ser data
• Head
• Headlamp on sig
• Hi beam relay
• Hi beam sw sig
• High
• High beam ind
• High beam rly ctrl
• Hot at all times
• Hvac control module (center of dash, below radio)
• I/beam fuse 15a
• Inside rearview mirror (isrvm)
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J114
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Lo beam relay
• Logic
• Low
• Low beam rly ctrl
• Low ref
• Lt hi beam fuse 10a
• Lt lo beam fuse 20a
• Off
• Park
• Pwm sig
• Rly ctrl
• Rt hi beam fuse 10a
• Rt lo beam fuse 20a
• Sensor sig
• Sentinel display
• Ser data
• Serial data x1
• Sply voltage
• Sunload sensor (center of dash, in defroster grille)
• Turn signal/ multi-function switch
• Underhood fuse block (right front side of engine compt)
• W/ high intensity discharge
• W/ intelligent high beam control
• W/o high intensity discharge
• W/o intelligent high beam control
• Wiper sw on signal
• Wiper sw signal 2
• Wiper/washer system

Headlamps Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Headlamps Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• 4.4l
• Except 4.4l
• Fog lamp fuse 15a
• Fog lamp relay
• G104 (on right front frame rail, near bumper bracket)
• Hot at all times
• Left front fog lamp
• Left front turn signal lamp
• Left headlamp
• Left headlamp ballast
• Left high beam headlamp
• Right front fog lamp
• Right front turn signal lamp
• Right headlamp
• Right headlamp ballast
• Right high beam headlamp
• Underhood fuse block (right front side of engine compt)

HORN

Horn Wiring Diagram for Cadillac STS V 2009

List of elements for Horn Wiring Diagram for Cadillac STS V 2009:

• G104 (on right front frame rail, near bumper bracket)
• G200 (in passenger compt, behind left kick panel)
• High note horn
• Horn assembly (left front corner of vehicle)
• Horn fuse 15a
• Horn relay
• Horn relay control
• Horn switch
• Hot at all times
• Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Low note horn
• Nca
• Tan
• Underhood fuse block (right front side of engine compartment)
• X276
• X277

INSTRUMENT CLUSTER

3.6L VIN V

3.6L VIN V, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in middle rear of right rear door) right rear door latch
• (in passenger compt, behind right kick panel) g201
• Abs ind
• Air bag ind
• Air bag/ ign fuse 10a
• Audible alarm
• Backlighting ctrl
• Backlighting ind
• Batt pos volt
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Charge ind
• Chk eng ind ctrl
• Class 2 (ecm)
• Computer data lines system
• Cruise ind
• Dic sw low ref
• Dic sw sig
• Dic toggle sw
• Door open sw sig
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• Ekm/i/p mdl fuse 10a
• Engine controls system
• Engine coolant temperature ind
• Front fog lamps ind
• Fuel level gauge
• G101 (near left front strut tower, at bottom of inside fender well)
• G201 (in passenger compt, behind right kick panel)
• Gmlan
• Gmlan (ebcm)
• Gmlan (ecm)
• Gmlan (ipm)
• Gmlan (rim)
• Gmlan (sdm)
• Gmlan (tcm)
• Gmlan serial
• Ground
• High beam ind
• Hot at all times
• Hot w/ run crnk relay energized
• Hot w/run/crnk relay energized
• Hud fuse 10a
• Ign 1 volt
• Inflatable restraint i/p module indicator
• Instrument panel cluster (ipc)
• Ipc
• J/c
• J600
• J800
• Lane departure warning ind
• Left turn ind
• Logic
• Low spd gmlan data
• Low tire pressure ind
• Malfunction ind
• Oil level ind
• Park lights ind
• Pass seat belt ind
• Pass seat belt ind ctrl
• Passenger door control module (inside passenger's door)
• Passenger door latch (in middle rear of left rear door)
• Pnk
• Power distribution system
• Right rear door control module (inside right rear door)
• Right rear fuse block (under right side of rear seat)
• Right turn ind
• S18
• S20
• Seat belt ind
• Security ind
• Sensor signal
• Speedometer gauge
• Tachometer gauge
• Tap up/ down enable ind
• Temperature gauge
• Traction off ind
• Underhood fuse block (right front side of engine compt)

3.6L VIN V, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for 3.6L VIN V, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (in fuel tank jumper tan
• (in fuel tank) fuel pump & sender assembly
• (top left of fuel tank) secondary fuel level sensor
• 5v ref
• Auto
• Battery positive volt
• Computer data lines system
• Courtesy lmp sw on sig
• Display
• Door open sw sig
• Driver door control module (inside driver's door)
• Driver door latch (in middle rear of driver door)
• Eng/ met
• Engine control module (ecm) (front of engine, on right valve cover)
• Engine controls system
• Engine oil pressure (eop) sensor (on left side of engine, attached to oil filter adapter housing)
• G200 (in passenger compt, behind left kick panel)
• Gmlan serial data
• Ground
• Ground distribution system
• Harness, 28 cm from fuel tank pressure sensor connector) j406
• Head up display (hud)
• Hud switch low ref
• I/p dimmer sw sig
• I/p dimmer switch
• Image dn
• Image up
• Info dn
• Info reset
• Info up
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• J500
• J700
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Left rear door control module (inside left rear door)
• Left rear door latch (in middle rear of passenger door)
• Lo spd gmlan serial data
• Logic
• Low ref
• Low spd gmlan data
• Night vision image dimming
• Night vision image down
• Night vision image up sig
• Oil sw sig
• Park brake switch (at base of brake pedal)
• Pk brk sw sig
• Pnk
• Sensor sig
• Serial data +
• Serial data -
• Tan
• Trip a/b
• Trip reset
• W/ head-up display

4.4L VIN D

4.4L VIN D, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in middle rear of right rear door) right rear door latch
• (in passenger compt, behind right kick panel) g201
• Abs ind
• Air bag ind
• Air bag/ ign fuse 10a
• Audible alarm
• Backlighting ctrl
• Backlighting ind
• Batt pos volt
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Charge ind
• Chk eng ind ctrl
• Class 2 (ecm)
• Computer data lines system
• Cruise ind
• Dic sw low ref
• Dic sw sig
• Dic toggle sw
• Door open sw sig
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• Ekm/i/p mdl fuse 10a
• Engine controls system
• Engine coolant temperature ind
• Front fog lamps ind
• Fuel level gauge
• G101 (near left front strut tower, at bottom of inside fender well)
• G201 (in passenger compt, behind right kick panel)
• Gmlan
• Gmlan (ebcm)
• Gmlan (ecm)
• Gmlan (ipm)
• Gmlan (rim)
• Gmlan (sdm)
• Gmlan (tcm)
• Gmlan serial
• Ground
• High beam ind
• Hot at all times
• Hot w/ run crnk relay energized
• Hot w/run/crnk relay energized
• Hud fuse 10a
• Ign 1 volt
• Inflatable restraint i/p module indicator
• Instrument panel cluster (ipc)
• Ipc
• J/c
• J600
• J800
• Lane departure warning ind
• Left turn ind
• Logic
• Low spd gmlan data
• Low tire pressure ind
• Malfunction ind
• Oil level ind
• Park lights ind
• Pass seat belt ind
• Pass seat belt ind ctrl
• Passenger door control module (inside passenger's door)
• Passenger door latch (in middle rear of left rear door)
• Pnk
• Power distribution system
• Right rear door control module (inside right rear door)
• Right rear fuse block (under right side of rear seat)
• Right turn ind
• S18
• S20
• Seat belt ind
• Security ind
• Sensor signal
• Speedometer gauge
• Tachometer gauge
• Tap up/ down enable ind
• Temperature gauge
• Traction off ind
• Underhood fuse block (right front side of engine compt)

4.4L VIN D, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for 4.4L VIN D, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (bottom center of engine oil pan) (4.4l) engine oil level/ temperature sensor
• (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
• (in fuel tank) fuel pump & sender assembly
• (top left of fuel tank) secondary fuel level sensor
• 5v ref
• Auto
• Battery positive volt
• Computer data lines system
• Courtesy lmp sw on sig
• Display
• Door open sw sig
• Driver door control module (inside driver's door)
• Driver door latch (in middle rear of driver door)
• Eng/ met
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Engine controls system
• Engine oil pressure (eop) sensor (on left side of engine)
• G200 (in passenger compt, behind left kick panel)
• Gmlan serial data
• Ground
• Ground distribution system
• Head up display (hud)
• Hud switch low ref
• I/p dimmer sw sig
• I/p dimmer switch
• Image dn
• Image up
• Info dn
• Info reset
• Info up
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• J406
• J500
• J700
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Left rear door control module (inside left rear door)
• Left rear door latch (in middle rear of passenger door)
• Lo spd gmlan serial data
• Logic
• Low ref
• Low spd gmlan data
• Night vision image dimming
• Night vision image down
• Night vision image up sig
• Oil sw sig
• Park brake switch (at base of brake pedal)
• Pk brk sw sig
• Pnk
• Sensor sig
• Serial data +
• Serial data -
• Tan
• Temp sensor
• Trip a/b
• Trip reset
• W/ head-up display

4.6L VIN A

4.6L VIN A, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in middle rear of right rear door) right rear door latch
• (in passenger compt, behind right kick panel) g201
• Abs ind
• Air bag ind
• Air bag/ ign fuse 10a
• Audible alarm
• Backlighting ctrl
• Backlighting ind
• Batt pos volt
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Charge ind
• Chk eng ind ctrl
• Class 2 (ecm)
• Computer data lines system
• Cruise ind
• Dic sw low ref
• Dic sw sig
• Dic toggle sw
• Door open sw sig
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• Ekm/i/p mdl fuse 10a
• Engine controls system
• Engine coolant temperature ind
• Front fog lamps ind
• Fuel level gauge
• G101 (near left front strut tower, at bottom of inside fender well)
• G201 (in passenger compt, behind right kick panel)
• Gmlan
• Gmlan (ebcm)
• Gmlan (ecm)
• Gmlan (ipm)
• Gmlan (rim)
• Gmlan (sdm)
• Gmlan (tcm)
• Gmlan serial
• Ground
• High beam ind
• Hot at all times
• Hot w/ run crnk relay energized
• Hot w/run/crnk relay energized
• Hud fuse 10a
• Ign 1 volt
• Inflatable restraint i/p module indicator
• Instrument panel cluster (ipc)
• Ipc
• J/c
• J600
• J800
• Lane departure warning ind
• Left turn ind
• Logic
• Low spd gmlan data
• Low tire pressure ind
• Malfunction ind
• Oil level ind
• Park lights ind
• Pass seat belt ind
• Pass seat belt ind ctrl
• Passenger door control module (inside passenger's door)
• Passenger door latch (in middle rear of left rear door)
• Pnk
• Power distribution system
• Right rear door control module (inside right rear door)
• Right rear fuse block (under right side of rear seat)
• Right turn ind
• S18
• S20
• Seat belt ind
• Security ind
• Sensor signal
• Speedometer gauge
• Tachometer gauge
• Tap up/ down enable ind
• Temperature gauge
• Traction off ind
• Underhood fuse block (right front side of engine compt)

4.6L VIN A, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for 4.6L VIN A, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (bottom center of engine oil pan) (4.4l) engine oil level/ temperature sensor
• (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
• (in fuel tank) fuel pump & sender assembly
• (top left of fuel tank) secondary fuel level sensor
• 5v ref
• Auto
• Battery positive volt
• Computer data lines system
• Courtesy lmp sw on sig
• Display
• Door open sw sig
• Driver door control module (inside driver's door)
• Driver door latch (in middle rear of driver door)
• Eng/ met
• Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
• Engine controls system
• Engine oil pressure (eop) sensor (on left side of engine)
• G200 (in passenger compt, behind left kick panel)
• Gmlan serial data
• Ground
• Ground distribution system
• Head up display (hud)
• Hud switch low ref
• I/p dimmer sw sig
• I/p dimmer switch
• Image dn
• Image up
• Info dn
• Info reset
• Info up
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• J406
• J500
• J700
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Left rear door control module (inside left rear door)
• Left rear door latch (in middle rear of passenger door)
• Lo spd gmlan serial data
• Logic
• Low ref
• Low spd gmlan data
• Night vision image dimming
• Night vision image down
• Night vision image up sig
• Oil sw sig
• Park brake switch (at base of brake pedal)
• Pk brk sw sig
• Pnk
• Sensor sig
• Serial data +
• Serial data -
• Tan
• Temp sensor
• Trip a/b
• Trip reset
• W/ head-up display

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• Computer data lines system
• Courtesy lamp ctrl
• Courtesy rly ctrl
• Courtesy sply ctrl
• Front overhead console courtesy/ reading lamps
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Gmlan serial data
• Hot at all times
• I/p compart- ment lamp
• I/p compartment lamp switch
• Int lamp fuse 10a
• Int lamp relay
• J210
• J215 (in dash harness, 65 cm from x200)
• J308 (in headliner harness, 82 cm from x308)
• J309 (in headliner harness, 92 cm from x308)
• J310
• Left i/p courtesy lamp
• Left rear door courtesy lamp
• Left sun- shade
• Nca
• R17
• R18
• R19
• R20
• Rear compart- ment courtesy lamp
• Rear compartment lid release actuator
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Rear overhead console courtesy/ reading lamps
• Right i/p courtesy lamp
• Right rear door courtesy lamp
• Right rear fuse block (under right side of rear seat)
• Right sun- shade
• Splice pack jx300 (on left frame rail, near left side of passenger seat)
• Splice pack jx303 (in passenger compt, on right frame rail, near right side of passenger seat)
• Trunk diode

Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• Ajar
• Amplifier powered woofer ctrl
• Computer data lines system
• Courtesy lamp ctrl high
• Courtesy lamp ctrl low
• Courtesy lamp sw on
• Driver door control module (inside driver's door)
• Driver door latch (in middle rear of driver door)
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• Gmlan serial data
• I/p dimmer switch
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J500
• J600
• J700
• J800
• Left front door courtesy lamp
• Left rear door control module (inside left rear door)
• Left rear door latch (in middle rear of passenger door)
• Lf door ajar
• Low reference
• Lr door ajar sw sig
• Passenger door control module (inside passenger's door)
• Passenger door latch (in middle rear of left rear door)
• Rf door ajar sw sig
• Right front door courtesy lamp
• Right rear door control module (inside right rear door)
• Right rear door latch (in middle rear of right rear door)
• Rr door ajar sw sig

Instrument Illumination Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in driver door trim harness, 71 cm from driver door lock switch connector) j504
• (on dash harness, under dashboard, near firewall grommet) splice pack jx201
• Auto
• B (not used) x215
• Backlight dimming ctrl
• Backlight lamp ctrl
• Backlighting control
• Backlighting ind (8 bulbs)
• Batt pos volt
• Computer data lines system
• Courtesy lamp on sig
• Dimmer sw sig
• Driver door control module (inside driver's door)
• Driver door lock switch
• Driver window switch
• Ekm/i/p mdl fuse 10a
• G101 (near left front strut tower, at bottom of inside fender well)
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• Gmlan serial data
• Ground
• Head
• Hot at all times
• Hvac control module (center of dash, below radio)
• I/p dimmer switch
• I/p mdl/ aldl fuse 10a
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior rear compartment lid release switch
• J210
• J226
• J501
• J601
• Lamp ctrl sply vol
• Lic dim fuse 7.5a
• Logic
• Low reference
• Off
• Park
• Park lamp rly ctrl
• Passenger door control module (inside passenger's door)
• Passenger door lock switch
• Passenger window switch
• Power distribution system
• Prk lamp relay
• Radio
• Splice pack jx201 (on dash harness, under dashboard, near firewall grommet)
• Turn signal/ multi-function switch
• Underhood fuse block (right front side of engine compt)

Instrument Illumination Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (in passenger compt, behind left kick panel) g200
• (in steering column harness) j227
• (in steering column harness) j228
• (on left frame rail, near left side of passenger seat) splice pack jx300
• Automatic transmission shift lever assembly
• Auxiliary hvac control module (w/ heated seat)
• Backlight lamp ctrl
• Computer data lines system
• F x276
• F x277
• From x212)
• Fuse 2a
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Gmlan serial data
• Hazard switch
• Ignition mode switch
• Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
• J210
• J224
• J310
• J311
• J700
• J800
• Left rear door control module (inside left rear door)
• Left rear window switch
• Left steering wheel control switch
• Nca
• Right rear door control module (inside right rear door)
• Right rear window switch
• Right steering wheel control switch
• Splice pack jx201 (on dash harness, under dashboard, near firewall grommet)
• Steering column fuse block
• Sunroof switch (if equipped)
• Traction control switch

MEMORY SYSTEMS

Driver"s Mirror Wiring Diagram for Cadillac STS V 2009

List of elements for Driver"s Mirror Wiring Diagram for Cadillac STS V 2009:

• (inside driver door)
• 5v feed
• 5v ref
• 5v rtn
• Bat pos voltage
• Computer data lines system
• Ddm fuse 15a
• Driver door control module (ddm)
• Driver outside rearview mirror
• Driver window switch
• Drvr horiz pos sens sig
• Drvr vert pos sens sig
• G200 (in passenger compt, behind left kick panel)
• Gnd
• Ground
• Horiz motor
• Horiz pos sens
• Horiz pos sensor
• Hot at all times
• J500
• J501
• Left horiz
• Left rear fuse block (under left side of rear seat)
• Lft mir mtr dn ctrl
• Lft mir mtr lft ctrl
• Lft mir mtr up/rt ctrl
• Logic
• Low ref
• Low spd gmlan serial data
• Navigation system
• Right horiz
• Vert down
• Vert motor
• Vert pos sens
• Vert pos sensor
• Vert up
• W/ infotainment system 010

Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac STS V 2009

List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac STS V 2009:

• (in driver seat harness, 21 cm from driver seat adjuster motor assembly c2)
• (in driver seat harness, 25 cm from x300)
• (in steering column harness)
• (in steering column)
• Bat pos voltage
• Computer data lines system
• Driver seat adjuster motor assembly (under driver seat cushion)
• Driver seat lumbar motor assembly
• Driver seat recline motor assembly (under driver seat)
• Drv pwr seat ft vert mtr dn ctrl
• Drv pwr seat rear vert mtr dn ctrl
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Gnd
• Hot at all times
• Hud fuse 10a
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J227
• J302
• J352 (in driver seat harness, 20 cm from driver seat adjuster motor assembly connector)
• J356
• J363
• Left rear fuse block (under left side of rear seat)
• Low spd gmlan serial data
• Mem mirror position sens 5v ref
• Mem seat/mirror sens low ref
• Memory seat module (msm) (under driver seat)
• Pnk
• Power distribution system
• Pwr seats circuit breaker 30a
• Red
• S362 (in driver seat harness, 16 cm from x300)
• Steering column tele mtr sig
• Steering column telescope actuator
• Steering column tilt motor
• Steering column tilt mtr sig
• Steering column tilt mtr up ctrl
• Steering wheel tilt actuator (in steering column)
• Steering wheel/ column tilt/ telescope switch
• Strg col tilt & tele dn sw sig
• Strg col tilt & tele fwd sw sig
• Strg col tilt & tele rwd sw sig
• Strg col tilt & tele up sw sig
• Tan
• Telescope in
• Telescope out
• Tilt down
• Tilt up
• Underhood fuse block (right front side of engine compt)

Memory Seat Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Memory Seat Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (if equipped) driver seat lumbar switch
• Bat pos voltage
• Battery positive voltage
• Computer data lines system
• Down
• Driver seat adjuster switch
• Drv mem st recline mtr pos sens sig
• Drv pwr seat frt vert mtr dn ctrl
• Drv pwr seat frt vert mtr up ctrl
• Drv pwr seat horiz mtr fwd ctrl
• Drv pwr seat horiz mtr rwd ctrl
• Drv pwr seat lumbar mtr fwd ctrl
• Drv pwr seat lumbar mtr rwd ctrl
• Drv pwr seat lumbar mtr up ctrl
• Drv pwr seat rear vert mtr dn ctrl
• Drv pwr seat rear vert mtr up ctrl
• Drv pwr seat recline mtr fwd ctrl
• Drv pwr seat recline mtr rwd ctrl
• Drv seat lumbar dn sw sig
• Drv seat lumbar fwd sw sig
• Drv seat lumbar rwd sw sig
• Drv st lumbar up sw sig
• For- ward
• Front vertical down
• Front vertical up
• Frt vert dn sw sig
• Frt vert up sw sig
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Gnd
• Horiz fwd sw sig
• Horiz rwd sw sig
• Horizontal forward
• Horizontal rearward
• Hot at all times
• J302
• J349 (w/ front heated seats)
• J354
• Left rear fuse block (under left side of rear seat)
• Low spd gmlan serial data
• Mem mirror pos sens 5v ref
• Mem seat/mirror sens low ref
• Mem st frt vert mtr pos sens sig
• Mem st horiz mtr pos sens sig
• Mem st lumbar horiz pos sens sig
• Mem st lumbar vert pos sens sig
• Mem st rr vert mtr pos sens sig
• Memory power tilt & power telescopic circuit
• Memory seat module (under driver seat)
• Msm fuse 10a
• Pnk
• Pwm serial data
• Pwr seats circuit breaker 30a
• Rear vert dn sw sig
• Rear vert up sw sig
• Rear vertical down
• Rear vertical up
• Rear- ward
• Recline forward
• Recline rearward
• Seat recline mtr fwd ctrl
• Seat recline mtr rwd ctrl
• Steering column tele mtr fwd
• Steering column tele mtr sig
• Steering column tilt mtr sig
• Steering column tilt mtr up ctrl
• Tan

Memory Seat Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Memory Seat Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (in driver seat harness, 16 cm from x300) j362
• (in driver seat harness, 20 cm from driver seat adjuster motor assembly connector) j352
• (in driver seat harness, 25 cm from x300) j356
• (in driver seat harness, 39 cm from driver seat recline motor connector)
• (under driver seat cushion) (if equipped) driver seat adjuster motor assembly
• Climate control seat module (under right front seat)
• Driver lumbar position sensors
• Driver seat front vertical motor
• Driver seat front vertical position sensor
• Driver seat horizontal motor
• Driver seat horizontal position sensor
• Driver seat lumbar motor assembly (if equipped) (in driver seat back)
• Driver seat rear vertical motor
• Driver seat rear vertical position sensor
• Driver seat recline motor assembly (under driver seat)
• Driver seat recline position sensor
• Horizontal
• J351 (w/ power lumber seat)
• J363 (in driver seat harness, 21 cm from driver seat adjuster motor assembly c2)
• Memory power tilt & power telescopic circuit
• Pnk
• Pwm serial data
• Red
• Tan
• Vertical

Passenger"s Mirror Wiring Diagram for Cadillac STS V 2009

List of elements for Passenger"s Mirror Wiring Diagram for Cadillac STS V 2009:

• 5v feed
• 5v ref
• 5v rtn
• Bat pos voltage
• Computer data lines system
• Ddm fuse 15a
• Driver door control module (inside driver's door)
• Driver window switch
• Frt pdm fuse 15a
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• Gnd
• Ground
• Horiz motor
• Horiz pos sens
• Horiz pos sensor
• Hot at all times
• J500
• J501
• J600
• Left horiz
• Left rear fuse block (under left side of rear seat)
• Logic
• Low ref
• Low spd gmlan serial data
• Navigation system
• Pass horiz pos sens sig
• Pass mir mtr lft ctrl
• Pass vert pos sens sig
• Passenger door control module (inside passenger's door)
• Passenger outside rearview mirror
• Right horiz
• Right rear fuse block (under right side of rear seat)
• Rt mir mtr dn ctrl
• Rt mir mtr up/rt ctrl
• Vert down
• Vert motor
• Vert pos sens
• Vert pos sensor
• Vert up
• W/ infotainment system 010

NAVIGATION

Navigation Wiring Diagram for Cadillac STS V 2009

List of elements for Navigation Wiring Diagram for Cadillac STS V 2009:

• (or 1782)
• (or nca)
• (right rear of radio) navigation antenna
• (w/ 15 speaker) audio/video adapter
• 3.6l
• 4.4l & 4.6l
• Am/fm1
• Am/fm1 antenna signal
• Antenna
• Antenna coax x5
• Aux det sig
• Aux detect sig
• Aux vid hi sig
• Aux video hi signal x1
• Batt positive volt
• Case ground
• Cellular microphone signal
• Cellular telephone microphone sig
• Coax
• Computer data lines system
• Drain wire
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• Fm1 antenna
• Fm1 antenna signal
• Fm2
• Fm2 antenna signal
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• Inside rearview mirror (isrvm)
• J/c
• Lh aux aud sig
• Lh aux audio sig
• Lo spd gmlan serial data
• Nca
• Pnk
• Radio
• Radio antenna coax
• Radio antenna module (above center rear of headliner)
• Radio rear window antenna
• Rdo/ onstar fuse 10a
• Rear object sensor control module (in left side of rear compt, under rear shelf)
• Rh aux aud sig
• Rh aux audio sig
• Right rear fuse block (under right side of rear seat)
• S15
• S17
• Vehicle communication interface module (vcim) (in rear compt, near right rear strut tower)
• Vehicle speed sig
• Vics-fm3 antenna
• Vics-fm3 antenna signal
• Voice recog aud low ref
• Voice recog low
• Voice recog sig
• W/ hid headlamps
• W/ infotainment system 012, 014 & 015
• W/ intelligent high beam control
• W/ vehicle communication system

Parking Assistant Wiring Diagram for Cadillac STS V 2009

List of elements for Parking Assistant Wiring Diagram for Cadillac STS V 2009:

• (in rear compt, to rear of left rear shock tower) g402
• Backup lamp feed
• Batt positive volt
• Bck/up lamp fuse 10a
• Bck/up lamp relay
• Center amber ind
• Center amber ind ctrl
• Computer data lines system
• Driver door control module (inside driver's door)
• Driver outside rearview mirror
• G401 (in rear compt, to rear of right rear shock tower)
• Gnd
• Ground
• Hot at all times
• Hot w/ run/crnk relay energized
• Ign 1 voltage
• J/c
• J403 (in rear fascia harness, 26 cm from right rear middle object sensor connector)
• J407
• J409
• J414 (in body harness, near rim module)
• Led sig
• Left amber ind
• Left amber ind ctrl
• Left rear corner object alarm sensor (on left rear corner of rear fascia)
• Left rear fuse block (under left side of rear seat)
• Left rear middle object alarm sensor (on left rear middle of rear fascia)
• Left side object sensor (on left rear of vehicle)
• Low reference
• Lr corner object sens sig
• Lr middle object sens sig
• Navigation circuit
• Object sens low ref
• Object sens sply voltage
• Passenger door control module (inside passenger's door)
• Passenger outside rearview mirror
• Pnk
• R36
• R37
• R38
• R40
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Rear object sensor control module (in left side of rear compt, under rear shelf)
• Rear parking assist (rpa) diagnostic connector (green one pin connector, beneath rear shelf)
• Rear parking assist (rpa) display
• Rear parking assist chime sig
• Rear parking diagnostic sig
• Rear parking display sply volt
• Red ind
• Red ind ctrl
• Reverse relay coil feed
• Right rear corner object alarm sensor (on right rear corner of rear fascia)
• Right rear fuse block (under right side of rear seat)
• Right rear middle object alarm sensor (on right rear middle of rear fascia)
• Right side object sensor (on left rear of vehicle)
• Rim/rpa/ isrvm/clm fuse 10a
• Rr corner object sens sig
• Rr middle object sens sig
• Rt trn/ sbza fuse 10a
• S22
• S24
• S25
• S27
• Sensor signal
• Serial data
• Vehicle speed sig

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Cadillac STS V 2009

List of elements for Passive Restraints Wiring Diagram for Cadillac STS V 2009:

• (under center console)
• 10a
• Air bag/ batt fuse 10a
• Air bag/ ign fuse pnk
• Battery b+
• C nca
• Case ground
• Class 2 (sdm)
• Driver seat belt buckle
• Driver seat belt retractor (left "b" pillar)
• Driver seat belt switch
• Drv seat belt sw low ref
• Drv seat belt sw sig
• G306
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Gmlan serial data
• Ground
• Hot at all times
• Hot w/ run relay energized
• Hot w/ run/crnk relay energized
• Ign
• Ign 1 vol
• Ign 3 fuse 10a
• Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
• Instrument panel cluster (ipc)
• J/c
• Left rear fuse block (under left side of rear seat)
• Lo spd gmlan serial data
• Logic
• Nca
• Pass seat belt sw sig
• Passenger seat belt buckle
• Passenger seat belt retractor (right "b" pillar)
• Passenger seat belt switch
• Pnk
• Right rear fuse block (under right side of rear seat)
• S18
• S19
• Seat belt ind
• Splice pack jx201 (on dash harness, under dashboard, near firewall grommet)
• Splice pack jx300 (on left frame rail, near left side of passenger seat)
• Splice pack jx303 (in passenger compt, on right frame rail, near right side of passenger seat)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for Cadillac STS V 2009

List of elements for Power Distribution Wiring Diagram (1 of 6) for Cadillac STS V 2009:

• (in passenger seat harness, 24 cm from passenger seat adjuster switch connector) j353
• (right front side of engine compt) underhood fuse block
• (under left side of rear seat) left rear fuse block
• 200a
• Abs fuse 25a
• Abs mtr fuse 50a
• Air bag/ batt fuse 10a
• Amp fuse 30a
• Audio amplifier
• Battery
• Bck/up lamp fuse 10a
• Bck/up lamp relay
• Ddm fuse 15a
• Driver back ventilated seat blower motor
• Driver cushion ventilated seat blower motor
• Driver door module (ddm)
• Driver seat adjuster switch
• Driver seat lumbar switch
• Electronic brake control module (ebcm)
• Generator
• Inflatable restraint sensing & diagnostic module (sdm)
• Inline fuse generator
• J/c
• J302 (in body harness, 58 cm from right rear fuse block c1)
• Left front speaker
• Left rear door control module
• Left rear fuse block (under left side of rear seat)
• Lpdb 1 fuse 50a
• Lpdb 2 fuse 50a
• Lt pos relay
• Memory seat module (msm)
• Memory seat module (msm) (if equipped)
• Msm fuse 10a
• Passenger seat adjuster switch
• Passenger seat lumbar switch
• Pos lamp fuse 10a
• Pwr seats circuit breaker 30a
• R13
• R18
• R26
• R29
• R31
• R32
• R36
• R37
• Rear dr mdl fuse 15a
• Rear shlf spkr fuse 15a
• Red
• Red/ (in passenger seat harness, 17 cm from passenger seat adjuster switch connector) j354
• Right rear door control module
• Rt pos relay
• S12
• S13
• S14
• S20
• S21
• S22
• S23
• Speaker
• Starter motor
• Stdby lamp relay
• Subwoofer
• To elc cmprsr fuse (diagram 2 of 6)
• To inclr pump fuse (diagram 2 of 6)
• To rpdb 2 fuse (diagram 2 of 6)
• Trunk relse relay
• Trunk relse sw fuse 7.5a
• Valet switch
• W/ climate control seats
• W/ infotainment system 010
• W/ infotainment system 012/014/015
• W/ power lumbar seat
• W/o power lumbar seat
• X1 b

Power Distribution Wiring Diagram (2 of 6) for Cadillac STS V 2009

List of elements for Power Distribution Wiring Diagram (2 of 6) for Cadillac STS V 2009:

• (in body harness, 86 cm from g306) j303
• (in passenger seat harness, 32 cm from x307) (w/ climate control seats) j355
• (not used)
• (under left side of rear seat) left rear fuse block
• (under right side of rear seat) right rear fuse block
• Automatic level control (alc) compressor
• Automatic transmission shift lever
• B x1
• C x2
• Digital radio receiver (if equipped)
• Driver seat belt retractor
• Driver window motor
• Elc cmprsr fuse 30a
• Elc cmprsr relay
• Elc exh fuse 10a
• Electronic suspension control (esc) module
• From a lpdb 1 fuse (diagram 1 of 6)
• From b pos lamp fuse (diagram 1 of 6)
• From c ddm fuse (diagram 1 of 6)
• G402 (in rear compt, to rear of left rear shock tower)
• Ign 3 fuse 10a
• Inclr pump fuse 10a
• Inclr pump relay
• J/c
• Left rear window motor
• Mrtd mdl fuse 25a
• Passenger back ventilated seat blower motor (w/ climate control seats)
• Passenger cushion ventilated seat blower motor (w/ climate control seats)
• Passenger seat belt retractor
• Passenger window motor
• R21
• R22
• R23
• R25
• Rear heated seat control module
• Rear htd/ seats fuse 20a
• Rf htd/ seat/xm fuse 20a
• Right rear window motor
• Rpdb 2 fuse 50a
• Run relay
• Seat climate control module
• Television antenna module
• To cnstr vent fuse (diagram 3 of 6)
• To jx300 (pin 31) (diagram 6 of 6)
• To rpdb 1 fuse (diagram 3 of 6)
• Traffic information receiver
• Tv/vics/ afs/scm fuse 10a
• Underhood fuse block (right front side of engine compt)
• Vehicle stability control module
• W/ active brake control
• W/ climate control seats
• W/ climate control seats & front heater seat
• W/ infotainment system
• W/ infotainment system 014/015
• W/ variable real time damping magneto rheological
• Wndw mtrs circuit breaker 30a

Power Distribution Wiring Diagram (3 of 6) for Cadillac STS V 2009

List of elements for Power Distribution Wiring Diagram (3 of 6) for Cadillac STS V 2009:

• (under right side of rear seat) right rear fuse block
• A x3
• Cnstr vent fuse 10a
• D x276
• Diff pump fuse 15a
• Diff pump relay
• Evaporative emission (evap) canister vent solenoid valve
• From d rpdb 2 fuse (diagram 2 of 6)
• From rf htd/ e seat/xm fuse (diagram 2 of 6)
• Frt pdm fuse 15a
• Fuel pump fuse 20a
• Fuel pump relay
• G401 (in rear compt, to rear of right rear shock tower)
• Harness)
• Heated steering wheel control module
• Heater steering wheel
• Htd str fuse 7.5a
• Inflatable restraint steering wheel module coil
• Inside rearview mirror (isrvm)
• Int lamp fuse 10a
• Int lamp relay
• J/c
• J221 (in steering column pnk
• J407
• Left side object sensor
• Lt trn/ ldw fuse 10a
• Passenger door control module
• Pnk
• Power steering control module
• R12
• R16
• R17
• R21
• R22
• R23
• R25
• R26
• R27
• R37
• Radio
• Rdo/ onstar fuse 10a
• Rear defog relay
• Rear integration module (rim)
• Rear object sensor control module
• Rear/ defog fuse 40a
• Red/ (in passenger door harness, 34 cm from front passenger window motor connector) j602
• Right front speaker
• Right rear fuse block (under right side of rear seat)
• Right side object sensor
• Rim fuse 10a
• Rim/rpa/ isrvm/clm fuse 10a
• Rpdb 1 fuse 50a
• Rt trn/sbza fuse 10a
• Run/ crnk fuse 10a
• Run/ crnk relay
• S/roof fuse 20a
• S10
• S11
• S15
• S16
• S17
• S22
• S23
• S24
• S25
• Steering wheel speed/ position sensor
• Stop lamp relay
• Stop lamps fuse 10a
• Sunroof control module (if equipped)
• Tan
• To afs fuse (diagram 4 of 6)
• To air bag/ ign fuse (diagram 4 of 6)
• To jx201 (pin 10) (diagram 6 of 6)
• Underhood fuse block (right front side of engine compt)
• Vehicle communication interface module (vcim) (if equipped)
• Vehicle direction alert alarm warning module
• Vehicle stability control module
• W/ active brake control
• W/ infotainment system 010
• W/ infotainment system 012/ 014/015
• W/ lane departure warning
• W/ side obstacle detection sensor indicator
• X277 d
• Yaw & lateral acceler ometer sensor

Power Distribution Wiring Diagram (4 of 6) for Cadillac STS V 2009

List of elements for Power Distribution Wiring Diagram (4 of 6) for Cadillac STS V 2009:

• (3.6l)
• (4.4l/4.6l)
• (right front side of engine compt) underhood fuse block
• (under right side of rear seat) right rear fuse block
• Afs fuse 30a
• Air bag/ign fuse 10a
• Automatic headlamp dimming relay
• Automatic transmission
• Aux outlet fuse 20a
• Center console accessory power outlet
• Center console compartment accessory power outlet
• Data link connector (dlc)
• Ecm/tcm batt fuse 10a
• Ekm/ ip mdl fuse 10a
• Engine control module (ecm)
• From f rpdb 1 fuse (diagram 3 of 6)
• From g rim/rpa/ isrvm/clm fuse (diagram 3 of 6)
• From h frt pwr outlet fuse (diagram 4 of 6)
• Front cigar lighter
• Frt pwr outlet fuse 15a
• G201 (in passenger compt, behind right kick panel)
• Hdlp wash circuit breaker 30a
• Head up display (hud) (if equipped)
• Headlamp washer fluid pump relay (w/ high intensity discharge)
• Hud fuse 10a
• I/beam fuse 15a
• I/p accessory power outlet
• I/p mdl/ aldl fuse 10a
• Inflatable restraint i/p module indicator
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel cluster (ipc)
• Instrument panel module (ipm)
• J/c
• J212
• J311
• Pnk
• Power steering control module (pscm)
• Rear cigar lighter
• Red
• Remote control door lock receiver (rcdlr)
• S18
• S19
• S20
• S21
• Steering wheel/ column tilt/ telescope switch (w/ alarm taxi)
• To v/chk fuse (diagram 4 of 6)
• To wpr fuse (diagram 5 of 6)
• V/chk fuse 10a
• W/ active brake control
• W/ cigarette lighter
• W/ high beam control intelligent
• W/o cigarette lighter
• X1 h

Power Distribution Wiring Diagram (5 of 6) for Cadillac STS V 2009

List of elements for Power Distribution Wiring Diagram (5 of 6) for Cadillac STS V 2009:

• (in body harness, 55.5 cm from x305 inline connector) (w/ wiper system) j411
• (right front side of engine compt) underhood fuse block
• A/c cltch fuse 10a
• A/c cmprsr cltch relay
• Accy relay
• Blwr fuse 40a
• Ccp/ rly coils fuse 10a
• Distance sensing cruise control (dscc) module
• Fan 1 fuse 30a
• Fan 2 fuse 30a
• Fog lamp relay
• From ekm/ i i/p mdl fuse (diagram 4 of 6)
• From j blwr fuse (diagram 5 of 6)
• Frt blwr relay
• Fuel cool fuse 10a
• Fuel cool relay
• G104 (on right front frame rail, near bumper bracket)
• Headlamp leveling module (if equipped)
• Headlamp washer fluid pump relay (if equipped)
• Hi beam relay
• Hi fan spd relay
• Hid
• Horn fuse 15a
• Horn relay
• Hvac control module
• Lo beam w/o hid/ hid relay
• Lo fan spd relay
• Prk lamp relay
• Pwr/trn relay
• Rain snsr/ tpm fuse 7.5a
• Strtr fuse 30a
• Strtr relay
• Tire pressure module (if equipped)
• To instrument panel module (ipm) (pin 1 connector x2) (diagram 6 of 6)
• To pwr/trn relay (diagram 5 of 6)
• To run crnk relay (diagram 6 of 6)
• Traffic information receiver
• W/ adaptive automatic cruise control
• W/ cover wheel
• W/ infotainment system 015
• W/ tire pressure
• W/ wiper system
• W/o cover wheel
• W/o tire pressure
• Windshield outside moisture sensor (if equipped)
• Windshield wiper inhibit relay
• Windshield wiper/ washer switch
• Wpr fuse 30a
• Wpr hi relay
• Wpr spd relay
• Wpr sw/vics fuse 7.5a
• X320

Power Distribution Wiring Diagram (6 of 6) for Cadillac STS V 2009

List of elements for Power Distribution Wiring Diagram (6 of 6) for Cadillac STS V 2009:

• (not used)
• (right front side of engine compt) underhood fuse block
• 3.6l
• 4.4l & 4.6l
• Abs ign fuse 15a
• Acc ind
• Accessory voltage
• Accy ind cntrl
• Air quality sensor (if equipped)
• Automatic transmission
• Ccp fuse 10a
• Ecm/tcm ign fuse 15a
• Engine control module (ecm)
• From accy relay (diagram 5 of 6)
• From left rear fuse block (run relay) (diagram 2 of 6)
• From right rear fuse block (run/crnk relay) (diagram 3 of 6)
• From underhood fuse block n (accy relay) (diagram 5 of 6)
• G104 (on right front frame rail, near bumper bracket)
• Htd wash/ aqs fuse 10a
• Hvac control module
• Ign 1 voltage
• Ign mode sw sply volt
• Ignition mode switch
• Illum
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• Ipm ign mode data sig
• Ipm ign mode sw ref volt
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Jx300 (on left frame rail, near left side of passenger seat)
• Left heated washer nozzle (if equipped)
• Mode control b/u
• Off
• Off in cntrl
• Off ind
• Pnk
• Rear defog relay
• Remote control door lock receiver (rcdlr) (under rear speaker shelf)
• Right heated washer nozzle (if equipped)
• Right rear fuse block
• Right rear fuse block (under right side of rear seat)
• Run crnk relay
• Run ign 3 voltage
• Start
• Start ind
• Start ind cntrl
• Voltage b/u

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 3) for Cadillac STS V 2009

List of elements for Power Door Locks Wiring Diagram (1 of 3) for Cadillac STS V 2009:

• (right side of steering column) ignition mode switch
• (under right side of rear seat) right rear fuse block
• Active ant clock sig
• Active ant data sig
• Active ant low ref
• Ant low ref 1
• Ant low ref 3
• Ant low ref 4
• Ant low ref 5
• Automatic transmission shift lever
• Backup keyless entry antenna (inside center console compt (center))
• Battery positive volt
• Coax
• Computer data lines system
• Driver information center (dic) display
• Ekm/ i/p mdl fuse 10a
• Exterior rear compartment lid release switch
• G402 (in rear compt, to rear of left rear shock tower)
• G404 (on left side "c" pillar, near rear window)
• Gmlan serial data
• Ground
• Hot at all times
• Ignition 1 voltage
• Ignition mode switch
• Instrument panel cluster (ipc)
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Keyless entry antenna (inside center console compt (rear))
• Keyless entry sig 1
• Keyless entry sig 3
• Keyless entry sig 4
• Keyless entry sig 5
• Lf door handle sw sig
• Logic
• Low speed gmlan data
• Nca
• Pnk
• R21
• Rear compartment keyless entry antenna (in back of rear bumper fascia on body (center))
• Rear window keyless entry antenna (on rear window)
• Remote control door lock receiver (rcdlr) (under rear speaker shelf)
• Rf door handle sw sig
• Run/crank relay
• Sol sply volt
• Tan
• Tire pressure ant sig
• Trunk release ctrl sig
• Underhood fuse block (right front side of engine compt)

Power Door Locks Wiring Diagram (2 of 3) for Cadillac STS V 2009

List of elements for Power Door Locks Wiring Diagram (2 of 3) for Cadillac STS V 2009:

• (behind right kick panel) g201
• (in driver door harness, 52 cm from driver window motor connector) j503
• (in passenger compt, behind left kick panel) g200
• (inside left rear door) left rear door control module
• (inside right rear door) right rear door control module
• Actuator lock ctrl
• Actuator unlock ctrl
• Back light ctr
• Battery b+
• Battery pos voltage
• Computer data lines system
• Ddm fuse 15a
• Door ajar sw sig
• Door handle sw sig
• Door key sw sig
• Door latch ctrl
• Door lock ctrl
• Door lock sig
• Door open sw sig
• Door unlatch ctrl
• Door unlock ctrl
• Door unlock sig
• Driver door control module (inside driver door)
• Driver door handle
• Driver door handle switch
• Driver door latch (in middle rear of driver door)
• Driver door lock indicator (on top rear of driver door trim panel)
• Driver door lock switch
• Driver window switch
• G200 (in passenger compt, behind left kick panel)
• Gmlan serial data
• Ground
• Hot at all times
• Illum lamp
• Interior lights system
• J/c
• J500
• J501
• J502 (w/ infotainment system 012/014/015)
• J700
• J800
• Left front door handle keyless entry antenna
• Left rear door latch (in middle rear of passenger door)
• Left rear fuse block (under left side of rear seat)
• Lock
• Logic
• Nca
• Pnk
• Pnk a
• Pnk d
• Rear dr mdl fuse 15a
• Rear lid release
• Right rear door latch (in middle rear of right rear door)
• S12
• S13
• S14
• Status ind sig gnd
• Status ind sply volt
• Tan
• Unlock

Power Door Locks Wiring Diagram (3 of 3) for Cadillac STS V 2009

List of elements for Power Door Locks Wiring Diagram (3 of 3) for Cadillac STS V 2009:

• (in passenger compt, behind left kick panel) g200
• (in passenger compt, behind right kick panel)
• (right side of dash, behind glove box) instrument panel module (ipm)
• Battery pos voltage
• Computer data lines system
• Door ajar sw sig
• Door handle sw sig
• Door latch ctrl
• Door lock sw sig
• Door open sw sig
• Door unlatch ctrl
• Door unlock sw sig
• Fd1
• Fd2
• Frt pdm fuse 15a
• G201
• G201 (in passenger compt, behind right kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Gmlan serial data
• Ground
• Hot at all times
• Ign 1 volt
• Illu lamp
• Interior lights system
• Interior rear compartment lid release switch
• J/c
• J214 (in dash harness, 32 cm from ipm c3)
• J501
• J600
• J601
• J602 (w/ infotainment system 012/014/015)
• J603 (39 cm from front passenger window motor connector)
• Left rear fuse block (under left side of rear seat)
• Lock
• Mode data sig
• Nca
• Passenger door control module (inside passenger's door)
• Passenger door handle
• Passenger door handle switch
• Passenger door indicator (on top rear of passenger door trim panel)
• Passenger door latch (in middle rear of left rear door)
• Passenger door lock switch
• Pnk
• R31
• R32
• R33
• R35
• Rear compartment lid latch (center rear of rear compt lid)
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Ref volt
• Right front door handle keyless entry antenna
• Right rear fuse block (under right side of rear seat)
• S20
• S21
• S22
• S23
• Status ind sig gnd
• Status ind sply volt
• Trunk ajar sig
• Trunk diode
• Trunk release ctrl
• Trunk relse relay
• Trunk relse sw fuse 7.5a
• Unlock
• Valet lockout sw
• Valet switch

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Cadillac STS V 2009

List of elements for Automatic Day/Night Mirror Wiring Diagram for Cadillac STS V 2009:

• Automatic day/night mirror
• Backup lamp voltage
• Bare
• Bck/up lamp relay
• Cellular signal
• Computer data lines system
• Drain wire
• Driver door control module (ddm) (inside driver's door)
• Driver outside rearview mirror
• G402 (in rear compt, to rear of left rear shock tower)
• Gmlan serial data
• Ground
• Headlights system
• High beam dim enable
• High beam dim status
• High beam rly ctrl
• High beam sply volt
• Hot at all times
• Hot w/ run/crnk relay energized
• Ignition voltage
• Inside rearview mirror (isrvm)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J/c
• Keypad signal
• Keypad supp volt
• Led sig
• Left rear fuse block (under left side of rear seat)
• Low reference
• Mirror signal
• Pnk
• R36
• R37
• R38
• R40
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Reverse rly coil feed
• Right rear fuse block (under right side of rear seat)
• Rim/rpa/ isrvm/clm fuse pnk 10a
• S24
• S26
• Sound systems
• Vehicle communication interface module (vcim) (if equipped) (in rear compt, near right rear strut tower)
• Vehicle speed sig
• W/ intelligent high beam control

Power Mirrors Wiring Diagram for Cadillac STS V 2009

List of elements for Power Mirrors Wiring Diagram for Cadillac STS V 2009:

• Automatic day/ night mirror low ref
• Automatic day/ night mirror sig
• Automatic day/night mirror
• Batt positive voltage
• Batt volt
• Battery
• Computer data lines system
• Ddm fuse 15a
• Defogger system
• Driver door control module (inside driver door)
• Driver outside rearview mirror
• Driver window switch
• Fold motor
• Frt pdm fuse 15a
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• Gmlan serial data
• Ground
• Heated motor element
• Horiz motor
• Hot at all times
• J500
• J501
• J502 (w/ infotainment system 012/014/015)
• J600
• Left folding mirror motor extend control
• Left folding mirror motor retract control
• Left rear fuse block (under left side of rear seat)
• Lft mirror motor dn ctrl
• Lft mirror motor lft ctrl
• Lft mirror motor up/rt ctrl
• Logic
• Passenger door control module (inside passenger's door)
• Passenger mirror motor horiz/ver ctrl
• Passenger mirror motor horizontal ctrl
• Passenger mirror motor vertical ctrl
• Passenger outside rearview mirror
• Right folding mirror motor extend control
• Right folding mirror motor retract control
• Right rear fuse block (under right side of rear seat)
• Serial data gmlan
• Vert motor
• W/ infotainment system 010
• W/ power folding mirrors

POWER SEATS

Climate Control Seats Wiring Diagram for Cadillac STS V 2009

List of elements for Climate Control Seats Wiring Diagram for Cadillac STS V 2009:

• (in driver seat harness, 15 cm from msm c1) j358
• (in driver seat harness, 21 cm from msm c2)
• (in passenger compt, to left of driver seat, on left frame rail) g307
• (in passenger seat harness, 10 cm from passenger climate control seat module c2) j361
• (in passenger seat harness, 27 cm from passenger cushion cooled seat blower motor connector)
• (or pnk)
• Batt pos volt
• Climate control seat module (under right front seat)
• Driver back heated seat element (in driver seat back)
• Driver back ventilated seat blower motor (in driver seat back)
• Driver cushion heated seat element (in driver seat cushion)
• Driver cushion ventilated seat blower motor (in driver seat cushion)
• Fan spd cntrl
• Fan spd ctrl
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Harness, 24 cm from passenger climate control seat module c1) j357
• Hot at all times
• Ign 3 fuse 10a
• Ign 3 volt
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J/c
• J349
• J350
• J354
• J355
• J359
• J360
• Jx300 (on left frame rail, near left side of passenger seat)
• Left rear fuse block (under left side of rear seat)
• Low ref
• Memory seat module (msm) (w/ memory) (under driver seat)
• Msm fuse 10a
• Ntc sig
• Passenger back heated seat element (in passenger seat back)
• Passenger back ventilated seat blower motor (in passenger seat back)
• Passenger cushion heated seat element (in passenger seat cushion)
• Passenger cushion ventilated seat blower motor (in passenger seat cushion)
• Pnk
• Pwm data
• R21
• R22
• R23
• R25
• Rf htd/ seat/xm fuse 20a
• Right rear fuse block (under right side of rear seat)
• Run relay
• Sply vltg
• Sply volt

Front Seat Heater Wiring Diagram for Cadillac STS V 2009

List of elements for Front Seat Heater Wiring Diagram for Cadillac STS V 2009:

• (in driver seat harness, 15 cm from msm c1) j358
• (in passenger compartment, to left of driver seat, on left frame rail) g307
• (in passenger seat harness, 10 cm from passenger climate control seat module c2) j361
• (or pnk)
• (right side of dash, behind glove box) instrument panel module (ipm)
• Batt pos volt
• Climate control seat module (under right front seat)
• Driver back heated seat element (in driver seat back)
• Driver cushion heated seat element (in driver seat cushion)
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Harness, 24 cm from passenger climate control seat module c1) j357
• Hot at all times
• Ign 3 fuse 10a
• Ign 3 volt
• J/c
• J349
• J350
• J355
• Jx300 (on left frame rail, near left side of passenger seat)
• Left rear fuse block (under left side of rear seat)
• Low ref
• Memory seat module (msm) (w/ memory) (under driver seat)
• Ntc sig
• Passenger back heated seat element (in passenger seat back)
• Passenger cushion heated seat element (in passenger seat cushion)
• Pnk
• Pwm data
• R21
• R22
• R23
• R25
• Rf htd/ seat/xm fuse 20a
• Right rear fuse block (under right side of rear seat)
• Run relay
• Sply volt

Heated Steering Wheel Wiring Diagram for Cadillac STS V 2009

List of elements for Heated Steering Wheel Wiring Diagram for Cadillac STS V 2009:

• D x276
• D x277
• G200 (in passenger compt, behind left kick panel)
• G401 (in rear compt, to rear of right rear shock tower)
• Ground
• Heated steering wheel
• Heated steering wheel control module (in steering column)
• Heated steering wheel on ind
• Hot at all times
• Htd str fuse 7.5a
• Ign 1 volt
• Ign 3 volt
• Ind ctrl
• Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J201
• J202
• J221
• J228
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Left steering wheel control switch
• Pnk
• R21
• R22
• R23
• R25
• Right rear fuse block (under right side of rear seat)
• Run/ crnk relay
• Sensor sig
• Sply volt
• Steering wheel control switch assembly
• Tan

Passenger"s Lumbar Wiring Diagram for Cadillac STS V 2009

List of elements for Passenger"s Lumbar Wiring Diagram for Cadillac STS V 2009:

• Down
• Fwd
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Horizontal
• Hot at all times
• J350
• J353
• Left rear fuse block (under left side of rear seat)
• Passenger seat lumbar motor
• Passenger seat lumbar switch
• Pnk
• Pwr seats circuit breaker 30a
• Red
• Rwd
• Vertical

Passenger"s Power Seat Wiring Diagram for Cadillac STS V 2009

List of elements for Passenger"s Power Seat Wiring Diagram for Cadillac STS V 2009:

• Down
• Front vertical down
• Front vertical up
• Fwd
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Gnd
• Horizontal forward
• Horizontal rearward
• Hot at all times
• J350 (w/ power lumbar seats)
• J353 (w/ power lumbar)
• Left rear fuse block (under left side of rear seat)
• Nca
• Passenger seat adjuster motor assembly (under passenger seat cushion)
• Passenger seat adjuster switch
• Passenger seat front vertical motor
• Passenger seat horizontal motor
• Passenger seat rear vertical motor
• Passenger seat recline motor (under front passenger seat, part of seat adjuster motor assembly)
• Pwr seats circuit breaker 30a
• Rear
• Rear vertical down
• Rear vertical up
• Recline forward
• Recline rearward
• Tan

Rear Heated Seats Wiring Diagram for Cadillac STS V 2009

List of elements for Rear Heated Seats Wiring Diagram for Cadillac STS V 2009:

• (in rear seat back harness, 10 cm from c315)
• (in rear seat back harness, 15 cm from heated rear seat module c1) j365
• (in rear seat back harness, 32 cm from right rear heated seat back element connector)
• (in rear seat back harness, 39 cm from right rear heated seat back element connector) j367
• (not used)
• Auxiliary hvac control module
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot in run
• Ignition 3
• J366
• J368
• Left rear back heated seat element (in left rear seat back)
• Left rear cushion heated seat element (in left rear seat cushion)
• Left rear fuse block (under left side of rear seat)
• Left rear heated seat switch
• Left rear high temperature indicator
• Left rear low temperature indicator
• Left rear medium temperature indicator
• Lr element ctrl
• Lr element sply
• Lr high ind
• Lr htd sw sig
• Lr low ind
• Lr med ind
• Lr temp sns
• Lr temp sns low
• Not used
• Pnk
• Rear heated seat control module (in center of rear seat back)
• Rear htd/ seats fuse 20a
• Right rear back heated seat element (in right rear seat back)
• Right rear cushion heated seat element (in right rear seat cushion)
• Right rear heated seat switch
• Right rear high temperature indicator
• Right rear low temperature indicator
• Right rear medium temperature indicator
• Rr element ctrl
• Rr element sply
• Rr high ind
• Rr htd sw sig
• Rr low ind
• Rr med ind
• Rr temp sns
• Rr temp sns low
• Sw suply volt

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Cadillac STS V 2009

List of elements for Power Top/Sunroof Wiring Diagram for Cadillac STS V 2009:

• (in rear compt, to rear of right rear shock tower) g401
• (not used)
• Battery
• Close sig
• Close vent sig
• Dimming
• Enable sig
• Enable sig x1
• Express sig
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• Interior lights system
• J310
• Open sig
• Open vent sig
• Pnk
• Rear integration module (rim) (in left side of rear compartment, under rear shelf)
• Right rear fuse block (under right side of rear seat)
• Roof close
• Roof express
• Roof open
• S/roof fuse 20a
• Serial data
• Sunroof control module (above headliner, near rear of sunroof)
• Sunroof motor
• Sunroof switch
• Tan
• Vent close
• Vent express
• Vent express sig
• Vent open
• X309

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Power Windows Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• Battery
• Computer data lines system
• Ddm fuse 15a
• Down
• Driver door control module (inside driver's door)
• Driver window motor (inside left front door)
• Express
• Front passenger window motor (inside right front door)
• Frt pdm fuse 15a
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• Ground
• Hot at all times
• Illum
• Interior lights system
• J/c
• J303
• J500
• J502 (w/ infotaiment system 012, 014 & 015)
• J600
• J601
• J602 (w/ infotainment system 012, 014 & 015)
• Left rear fuse block (under left side of rear seat)
• Lf pwd mtr down ctrl
• Lf pwd mtr up ctrl
• Lo spd gmlan
• Logic
• Lr pwd sw up sig
• Passenger door control module (inside passenger's door)
• Passenger window switch
• Pwd status
• Rear dr mdl fuse 15a
• Rf express signal
• Rf pwd mtr down ctrl
• Rf pwd mtr up ctrl
• Rf pwd sw low ref
• Right rear fuse block (under right side of rear seat)
• S12
• S13
• S14
• Wndw mtrs circuit breaker 30a

Power Windows Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Power Windows Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• Battery
• Computer data lines system
• Door locks system
• Down
• Driver window switch
• Express
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• Ground
• Illum
• Interior lights system
• J501
• J700
• J800
• Left front dn
• Left front up
• Left rear dn
• Left rear door control module (inside left rear door)
• Left rear up
• Left rear window motor (inside left rear door)
• Left rear window switch
• Lo spd gmlan
• Lock out
• Logic
• Lr express sig
• Lr pwd down sig
• Lr pwd mtr down ctrl
• Lr pwd mtr up ctrl
• Lr pwd sw up signal
• Pwd status
• Rf pwd sw low ref
• Rf pwd sw up sig
• Right front dn
• Right front up
• Right rear dn
• Right rear door control module (inside right rear door)
• Right rear up
• Right rear window motor (inside right rear door)
• Right rear window switch
• Rr express signal
• Rr pwd mtr down ctrl
• Rr pwd mtr up ctrl

RADIO

15-Speaker System Wiring Diagram (1 of 4) for Cadillac STS V 2009

List of elements for 15-Speaker System Wiring Diagram (1 of 4) for Cadillac STS V 2009:

• (in rear compt, near right rear strut tower) vehicle communication interface module (vcim)
• (or 1782)
• (or nca)
• 3.6l
• 4.6l & 4.4l
• Am/fm1 antenna
• Am/fm1 antenna sig
• Amp aud prompt sig (+)
• Amp audio prompt sig (-)
• Antenna
• Antenna 14v sw sply
• Antenna 14v switched pwr
• Antenna coax
• Audio low ref
• Audio/video adapter
• Aux aud lh sig
• Aux aud rh sig
• Aux det sig
• Aux vid hi sig
• Auxiliary detection sig
• Auxiliary video hi sig
• Batt positive volt
• Case ground
• Cell tele voice low ref
• Cell tele voice sig
• Cellular microphone sig drain wire
• Cellular telephone mic sig
• Cntr chnl lo lvl aud sig
• Cntr chnl lo lvl aud sig (-)
• Coax
• Computer data lines system
• Drain wire
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.4l & 4.6l: on left front frame rail, below left headlamp assembly)
• Fm1 antenna
• Fm1 antenna sig
• Fm2 antenna
• Fm2 antenna sig
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• Inside rearview mirror (isrvm)
• Interior lights system
• J/c
• Led backlight dimming ctrl
• Left audio signal
• Left rear lo lvl aud (-)
• Lf lo lvl audio sig (+)
• Lf lo lvl audio sig (-)
• Lh aux audio signal (1)
• Lo speed gmlan serial data
• Lr lo lvl audio sig (+)
• Navigation antenna (right rear of radio)
• Nca
• Pnk
• Radio
• Radio antenna coax
• Radio antenna module (above center rear of headliner)
• Radio rear window antenna
• Rdo/ onstar fuse 10a
• Rear object sensor control module (in left side of rear compt, under rear shelf)
• Rf lo lvl audio sig (+)
• Rf lo lvl audio sig (-)
• Rh aux audio signal (1)
• Right audio signal
• Right rear fuse block (under right side of rear seat)
• Right rear lo lvl aud (-)
• Rr lo lvl audio sig (+)
• S15
• S17
• Subwoofer lo lvl aud sig
• Tan
• Vics-fm3 antenna
• Vics-fm3 antenna sig
• Voice recog aud low ref
• Voice recog aud sig
• Vss
• W/ hid headlamps
• W/ infotainment system 012, 014 & 015
• W/ intelligent high beam control
• W/ vehicle communication system

15-Speaker System Wiring Diagram (2 of 4) for Cadillac STS V 2009

List of elements for 15-Speaker System Wiring Diagram (2 of 4) for Cadillac STS V 2009:

• (in rear compt, to rear of left rear shock tower) g402
• (in steering column harness) j225
• (in steering column harness) j229
• (right side of dash, behind glove box) instrument panel module (ipm)
• Antenna sig
• Audio common
• Audio common audio sig
• Audio sig
• Batt positive
• Battery
• Cellular & digital radio antenna
• Coax
• Computer data lines system
• Cruise control system
• Digital radio receiver (right side of rear package shelf)
• Down vol
• Drain wire
• G401 (in rear compt, to rear of right rear shock tower)
• Gnd
• Ground
• Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
• J206
• Left steering wheel control switch
• Lh audio sig
• Lh tv
• Lo spd gmlan
• Mute
• Nca
• Personalization
• Remote radio ctrl head acc sply volt
• Return
• Rh audio sig
• Rh tv
• Right steering wheel control switch
• Seek dn
• Seek up
• Serial data
• Srce
• Steering column radio ctrl sig lo spd gmlan serial data
• Tan
• Television antenna amplifier
• Television antenna module
• Television rear glass antenna
• Video rgb low ref
• Vol up
• Volt
• W/ digital radio
• W/o digital radio
• X276
• X277

15-Speaker System Wiring Diagram (3 of 4) for Cadillac STS V 2009

List of elements for 15-Speaker System Wiring Diagram (3 of 4) for Cadillac STS V 2009:

• (in rear compt, to rear of left rear shock tower) g402
• 014 & 015)
• Amp fuse 30a
• Amp pwrd wfr ctrl
• Center console speaker
• Ddm fuse 15a
• Frt pdm fuse 15a
• Gnd
• Hot at all times
• J602
• Left rear compartment speaker
• Left rear fuse block (under left side of rear seat)
• Left rear speaker
• Nca
• Rear shlf spkr fuse 15a
• Red
• Rf htd/ seat/xm fuse 20a
• Right front speaker
• Right rear compartment speaker
• Right rear fuse block (under right side of rear seat)
• Right rear speaker
• Subwoofer speaker
• Tan
• Tv/vics/ afs/scm fuse 10a

15-Speaker System Wiring Diagram (4 of 4) for Cadillac STS V 2009

List of elements for 15-Speaker System Wiring Diagram (4 of 4) for Cadillac STS V 2009:

• (in front overhead console) noise compensation microphone
• (in rear compt, to rear of left rear shock tower)
• (pins 26-32 not used)
• A nca
• Amp aud prompt sig (+)
• Amp audio prompt sig (-)
• Amp powered woofer ctrl 1
• Amp powered woofer ctrl 2
• Amp pwrd wfr cntrl
• Audio amplifier (left side of luggage compt)
• Battery positive volt
• Cell tele voice low ref
• Cell tele voice sig
• Center console speaker (+)
• Center i/p speaker
• Cntr chnl lo lev aud sig (-)
• Cntr chnl lo lvl aud sig
• Computer data lines system
• Console center speaker (-)
• Driver seat left speaker
• Driver seat right speaker
• Front center speaker (+)
• Front center speaker (-)
• G402
• G402 (in rear compt, to rear of left rear shock tower)
• Gnd
• Ground
• Left front low level audio (-)
• Left front low level audio sig
• Left front seat left speaker (+)
• Left front seat left speaker (-)
• Left front seat right speaker (+)
• Left front seat right speaker (-)
• Left front speaker
• Left front speaker (+)
• Left front speaker (-)
• Left front tweeter speaker
• Left front woofer speaker (+)
• Left front woofer speaker (-)
• Left rear lo lev audio (-)
• Left rear lo lvl aud sig
• Left rear midrange speaker (+)
• Left rear midrange speaker (-)
• Left rear shelf speaker (+)
• Left rear shelf speaker (-)
• Low speed gmlan serial data
• Nca
• Noise reduc mic drain wire
• Noise reduction mic
• Passenger seat left speaker
• Passenger seat right speaker
• Rear subwoofer speaker (+)
• Rear subwoofer speaker (-)
• Red
• Right front low level audio (-)
• Right front low level audio sig
• Right front seat left speaker (+)
• Right front seat left speaker (-)
• Right front seat right speaker (+)
• Right front seat right speaker (-)
• Right front speaker (+)
• Right front speaker (-)
• Right front tweeter speaker
• Right front woofer speaker (+)
• Right front woofer speaker (-)
• Right rear lo lev audio (-)
• Right rear lo lvl aud sig
• Right rear midrange speaker (+)
• Right rear midrange speaker (-)
• Right rear shelf speaker (+)
• Right rear shelf speaker (-)
• Subwoofer lo lvl aud sig
• Tan

8-Speaker System Wiring Diagram (1 of 3) for Cadillac STS V 2009

List of elements for 8-Speaker System Wiring Diagram (1 of 3) for Cadillac STS V 2009:

• (in rear compt, near right rear strut tower) vehicle communication interface module (vcim)
• (or 1782)
• (or nca)
• (right rear of radio) navigation antenna
• Am/fm1 antenna
• Am/fm1 antenna sig
• Antenna
• Antenna 14v sw sply
• Antenna 14v switched pwr
• Audio low ref
• Batt positive volt
• Case ground
• Cell tele voice low sig
• Cell tele voice sig
• Cell telephone microphone sig
• Cellular microphone sig
• Coax
• Computer data lines system
• Drain wire
• Fm1 antenna
• Fm1 antenna sig
• Fm2 antenna
• Fm2 antenna sig
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• Inside rearview mirror (isrvm)
• Interior lights system
• J/c
• Led backlight dimming cntrl
• Left audio signal
• Lf lo lvl audio sig (+)
• Lf lo lvl audio sig (-)
• Lo speed gmlan serial data
• Low ref
• Nca
• Pnk
• Radio
• Radio antenna coax
• Radio antenna module (above center rear of headliner)
• Radio rear window antenna
• Rdo/ onstar fuse 10a
• Rf lo lvl audio sig (+)
• Rf lo lvl audio sig (-)
• Right audio signal
• Right rear fuse block (under right side of rear seat)
• S15
• S17
• Tan
• Vics-fm3 antenna
• Vics-fm3 antenna sig
• Voice recog aud low ref
• Voice recog aud sig
• W/ hid headlamps
• W/ infotainment system 012, 014 & 015
• W/ vehicle communication system

8-Speaker System Wiring Diagram (2 of 3) for Cadillac STS V 2009

List of elements for 8-Speaker System Wiring Diagram (2 of 3) for Cadillac STS V 2009:

• (in rear compt, to rear of left rear shock tower) g402
• Antenna sig
• Audio common
• Audio common audio sig
• Audio sig lh tv
• Batt positive
• Battery
• Cellular & digital radio antenna
• Coax
• Computer data lines system
• Digital radio receiver (on right side of package shelf)
• Drain wire
• Drain wire return
• G401 (in rear compt, to rear of right rear shock tower)
• Gnd
• Ground
• Hot at all times
• Left rear fuse block (under left side of rear seat)
• Lh audio sig
• Lo spd gmlan
• Nca
• Rf htd/ seat/xm fuse 20a
• Rh audio sig
• Rh tv
• Right rear fuse block (under right side of rear seat)
• Serial data
• Tan
• Television antenna amplifier
• Television antenna module
• Television rear glass antenna
• Tv/vics/ afs/scm fuse 10a
• Video rgb low ref
• Volt
• W/ digital radio
• W/o digital radio

8-Speaker System Wiring Diagram (3 of 3) for Cadillac STS V 2009

List of elements for 8-Speaker System Wiring Diagram (3 of 3) for Cadillac STS V 2009:

• (in body harness, 40 cm from g200) j205
• (in steering column harness) j229
• (pins 20-32 not used)
• (pins 22-38 not used)
• Amp fuse 30a
• Audio amplifier (left side of luggage compt)
• Batt positive volt
• Cellular telephone voice low ref
• Cellular telephone voice signal
• Center i/p speaker
• Computer data lines system
• Cruise control system
• Front center spkr (+)
• Front center spkr (-)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J207 (in body harness, 58 cm from g200)
• J208 (in body harness, 36 cm from g201)
• J209 (in body harness, 41 cm from g201)
• J225 (in steering column harness)
• Left front speaker
• Left front tweeter speaker
• Left front woofer spkr
• Left rear fuse block (under left side of rear seat)
• Left rear midrange spkr (-)
• Left rear midrange spkr out (+)
• Left rear speaker
• Left steering wheel control switch
• Lf lo lvl audio (-)
• Lf lo lvl audio sig
• Low spd gmlan serial data
• Low speed gmlan serial data
• Mute
• Personalization
• Rear subwoofer spkr (-)
• Rear subwoofer spkr out (+)
• Red
• Remote radio ctrl head acc sply volt
• Rf lo lvl audio (-)
• Rf lo lvl audio sig
• Right front speaker
• Right front tweeter speaker
• Right front woofer spkr
• Right rear midrange spkr (-)
• Right rear midrange spkr out (+)
• Right rear speaker
• Right steering wheel control switch
• Seek dn
• Seek up
• Sig
• Srce
• Steering column radio ctrl
• Subwoofer speaker
• Tan
• Volume down
• Volume up
• X276
• X277

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Cadillac STS V 2009

List of elements for Shift Interlock Wiring Diagram for Cadillac STS V 2009:

• 4.6l 3.6l
• 5v ref
• A/t shift lock ctrl solenoid
• Automatic transmission
• Automatic transmission internal mode switch (ims)
• Automatic transmission shift lever
• Brake pedal position sensor (attached to top of brake pedal assembly)
• Computer data lines system
• Control solenoid valve assembly
• Engine control module (ecm) (4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover)
• Ground
• Hot at all times
• Instrument panel module (ipm)
• Left rear fuse block (under left side of rear seat)
• Logic
• Low ref
• Nca
• P/n sig
• Remote control door lock receiver (rcdlr) (under rear speaker shelf)
• Sens sig
• Serial data
• Shift lock control
• Shift park signal
• Theft/ shft fuse 10a
• Transmission control module (tcm)

STARTING/CHARGING

Charging Wiring Diagram for Cadillac STS V 2009

List of elements for Charging Wiring Diagram for Cadillac STS V 2009:

• (not used)
• 200a
• 3.6l
• A current sens sply volt
• B current sens low ref
• Battery
• C current sens sig
• Charge ind
• Computer data lines system
• Current sens low ref
• Current sens sig
• Current sens sply volt
• Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
• Except 3.6l
• G105 (at back of underhood fuse block)
• G106 (on rear side of right cylinder head)
• Generator
• Generator field duty cycle sig
• Generator turn on sig
• Hi spd gmlan serial data bus +
• Hi spd gmlan serial data bus -
• Inline fuse generator (in engine harness, near generator)
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Logic
• Low speed gmlan serial data
• Pnk
• Power distribution system
• Red
• Serial data +
• Serial data -
• Starter motor
• Tan

Starting Wiring Diagram for Cadillac STS V 2009

List of elements for Starting Wiring Diagram for Cadillac STS V 2009:

• (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly) engine control module (ecm)
• 3.6l
• Automatic transmission
• Automatic transmission internal mode switch (ims)
• Battery
• Ccp/rly coils fuse 10a
• Charging circuit
• Computer data lines system
• Control solenoid valve assembly
• Ecm/tcm serial data wake up
• Except 3.6l
• G100 (on rear side of right cylinder head)
• G105 (at back of underhood fuse block)
• G106 (on rear side of right cylinder head)
• Ign lock cylinder ctrl act signal
• Ign mode sw mode ctrl
• Ign mode sw mode volt
• Ignition mode switch
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Red
• Starter motor
• Starter rly coil ctrl
• Strtr fuse 30a
• Strtr relay
• Transmission control module (tcm)
• Underhood fuse block (right front side of engine compt)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (in rear compartment, to rear of left rear shock tower) g402
• (under center console) g306
• Air bag/ batt fuse 10a
• Airbag/ ign fuse 10a
• Battery b+
• Case ground
• Drvr pretensioner high
• Drvr pretensioner low
• Drvr seat belt sw low
• Drvr seat belt sw sig
• Forward sensor sig
• Gmlan serial data
• Gnd
• Ground
• Hot at all times
• Hot w/ run/crnk relay energized
• Ignition 1
• Inflatable restraint i/p module indicator
• Inflatable restraint passenger presence system (pps) module (under passenger's seat)
• Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
• J/c
• L side impact mod high
• L side impact mod low
• Left inflatable restraint front end sensor (left side of upper radiator support)
• Left inflatable restraint side impact module (on driver seat back, facing driver door)
• Left inflatable restraint side impact sensor (on base of left "b" pillar, behind trim panel)
• Left rear fuse block (under left side of rear seat)
• Left seat belt pretensioner (integral to driver seat belt buckle)
• Lf discriminating low
• Lf head curtain high
• Lf head curtain low
• Lf side impact sig
• Lf side impact voltage
• Nca
• Occ sensor serial data
• Off ind
• Off ind ctrl
• On ind
• On ind ctrl
• Pass i/p high
• Pass i/p low
• Pass i/p stage 2 high
• Pass i/p stage 2 low
• Pass pretensioner high
• Pass pretensioner low
• Pass seat belt sw sig
• Passenger air bag ind
• Pnk
• R side impact mod high
• R side impact mod low
• Rf discriminating low
• Rf discriminating sig
• Rf head curtain high
• Rf head curtain low
• Rf side impact sig
• Rf side impact voltage
• Right inflatable restraint side impact module (on passenger front seat back, facing passenger front door)
• Right inflatable restraint side impact sensor (on base of right "b" pillar, behind trim panel)
• Right rear fuse block (under right side of rear seat)
• Right seat belt pretensioner (integral to front passenger seat belt buckle)
• S18
• S19
• S20
• S21
• Seat belt ind
• Serial data
• Shorting bar
• Steer whl stage 1 high
• Steer whl stage 1 low
• Steer whl stage 2 high
• Steer whl stage 2 low
• Tan

Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• (in left front seat belt buckle) left front seat belt switch
• (in passenger compt, to left of driver seat, on left frame rail) g307
• (left "b" pillar) left front seat belt retractor
• (right "b" pillar) right front seat belt retractor
• A pnk
• Air bag ind
• Gmlan (sdm)
• Gmlan serial data
• Hot w/ run relay energized
• Ign
• Ign 3 fuse 10a
• Inflatable restraint i/p module (right side of dash)
• Inflatable restraint steering wheel module (on steering wheel)
• Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
• Instrument panel cluster (ipc)
• J/c
• Jx201 (on dash harness, under dashboard, near firewall grommet)
• Jx300 (on left frame rail, near left side of passenger seat)
• Jx303 (in passenger compartment, on right frame rail, near right side of passenger seat)
• Left front seat belt switch
• Left inflatable restraint roof rail module (in passenger compartment roof rail, on left side, above "b" pillar)
• Left rear fuse block (under left side of rear seat)
• Logic
• Nca
• Pass seat belt ind
• Passenger door control module (inside passenger's door)
• Pnk
• Right front seat belt switch
• Right front seat belt switch (in right front seat belt buckle)
• Right inflatable restraint front end sensor (right side of upper radiator support)
• Right inflatable restraint roof rail module (in passenger compartment roof rail, on right side, above "b" pillar)
• Right rear door control module (inside right rear door)
• Seat belt ind
• Shorting bar
• Stage 1
• Stage 2
• Tan
• Vehicle communication interface module (vcim) (in rear compartment, near right rear strut tower)
• W/ onstar

TRANSMISSION

Transmission Wiring Diagram (1 of 2) for Cadillac STS V 2009

List of elements for Transmission Wiring Diagram (1 of 2) for Cadillac STS V 2009:

• (tcc) (pc) solenoid
• 3.6l
• 4.4l & 4.6l
• Automatic transmission
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Computer data lines system
• Control solenoid valve assembly
• Driver information center (dic) display
• Engine control module (ecm) (except 3.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover)
• Exterior lights system
• Hot w/ run relay energized
• Ign
• Ign 3 fuse 10a
• Ign lock sig (or p/n sig)
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J/c
• J113 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
• J147 (3.6l: in engine harness, 387 cm from x102) (4.6l: in engine harness, 24 cm from x102)
• Left rear fuse block (under left side of rear seat)
• Logic
• Low ref
• Pc 1 solenoid
• Pc 2 solenoid
• Pc 3 solenoid
• Pc 4 solenoid
• Pc 5 solenoid
• 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
• Serial data
• Shift solenoid (ss) valve 1
• Shift solenoid (ss) valve 2
• Ss 1
• Ss 2
• Sw sig stop lamp
• Tap down tap up/
• Tfp 1
• Tfp 3
• Tfp 4
• Tfp 5
• Tft
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Transmission control module (tcm)
• Transmission fluid temperature (tft) sensor
• Wake up serial
• Wake up serial ecm/tcm

Transmission Wiring Diagram (2 of 2) for Cadillac STS V 2009

List of elements for Transmission Wiring Diagram (2 of 2) for Cadillac STS V 2009:

• Automatic transmission
• Automatic transmission input shaft speed (iss) sensor
• Automatic transmission internal mode switch (ims)
• Automatic transmission output shaft speed (oss) sensor
• Automatic transmission shift lever
• Computer data lines system
• Control solenoid valve assembly
• Data bus (+)
• Data bus (-)
• Ecm/ tcm batt fuse 10a
• Ecm/ tcm ign fuse 15a
• Ecm/tcm serial data
• G100 (on rear side of right cylinder head)
• G201 (in passenger compt, behind right kick panel)
• Ground
• Hot at all times
• Hot w/ run/crnk relay energized
• Ign vol
• Iss low
• Iss/oss high
• J127
• Nca
• Oss low
• Pnk
• Power distribution system
• Red
• Tan
• Tap up/ tap down trans enable switch
• Tap up/tap down sw sig stop lamp sw sig
• Tap up/tap down switch
• Transmission control module (tcm)
• Transmission range sig
• Transmission range sig a
• Transmission range sig b
• Transmission range sig c
• Transmission range sig p
• Underhood fuse block (right front side of engine compt)

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Cadillac STS V 2009

List of elements for Trunk Release Wiring Diagram for Cadillac STS V 2009:

• Computer data lines system
• Driver door control module (inside driver's door)
• Driver infor- mation center (dic)
• Driver window switch
• Exterior rear compartment lid release switch
• Fd1
• Fd2
• G200 (in passenger compt, behind left kick panel)
• G402 (in rear compt, to rear of left rear shock tower)
• Garage door opener
• Ground
• Hot at all times
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Interior lights system
• Interior rear compartment lid release switch
• J/c
• J214 (in dash harness, 32 cm from ipm c3)
• J500
• J501
• Left rear fuse block (under left side of rear seat)
• Logic
• R31
• R32
• R33
• R35
• Rear compartment lid latch (center rear of rear compt lid)
• Rear hatch ajar switch
• Rear integration module (rim) (in left side of rear compartment, under rear shelf)
• Relay ctrl
• Remote control door lock receiver (rcdlr) (under rear speaker shelf)
• Right rear fuse block (under right side of rear seat)
• S21
• S22
• S23
• Serial data
• Serial data sig ground serial data
• Splice pack jx201 (on dash harness, under dashboard, near firewall grommet)
• Sw signal
• Switch signal
• Trunk diode
• Trunk relse relay
• Trunk relse sw fuse 7.5a s20
• Valet switch

WARNING SYSTEMS

Chime Wiring Diagram for Cadillac STS V 2009

List of elements for Chime Wiring Diagram for Cadillac STS V 2009:

• Audible alarm
• Auto
• Battery positive volt
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Computer data lines system
• Distribution
• Door ajar signal
• Door open signal
• Driver door control module (ddm) (inside driver's door)
• Driver door key sw sig
• Driver door key sw signal
• Driver door latch (in middle rear of driver door)
• Driver seat belt buckle
• Driver seat belt retractor (left "b" pillar)
• Driver seat belt switch
• Drv seat belt sw sig lo spd gmlan serial data
• Engine coolant temperature ind
• G101 (near left front strut tower, at bottom of inside fender well)
• G200 (in passenger compt, behind left kick panel)
• G201 (in passenger compt, behind right kick panel)
• G307 (in passenger compt, to left of driver seat, on left frame rail)
• Gmlan
• Gmlan serial data
• Gnd
• Ground
• Head
• Headlamps on sig
• Hot at all times
• Hot w/ park lamp relay energized
• Hot w/ run relay energized
• I/p mdl/ aldl fuse 10a
• Ign 3 fuse 10a
• Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
• Instrument panel cluster (ipc)
• Instrument panel module (ipm) (right side of dash, behind glove box)
• Ipc
• J/c
• J210
• J224
• J500
• Jx303 (in passenger compt, on right frame rail, near right side of passenger seat)
• Left rear fuse block (under left side of rear seat)
• Lf door ajar sw signal
• Lf door open sw sig
• Lic dim fuse 7.5a
• Lo spd gmlan serial data
• Logic
• Low ref
• Low speed gmlan serial data
• Low tire pressure ind
• Off
• Park
• Park brake sw sig
• Park brake switch (at base of brake pedal)
• Park lamp on sw sig
• Pnk
• Power
• Radio
• Seat belt ind
• Signal ground
• Sply volt 1
• System
• Tan
• Turn signal/ multi-function switch
• Underhood fuse block (right front side of engine compt)
• V/chk fuse 10a

Lane Departure Warning Wiring Diagram for Cadillac STS V 2009

List of elements for Lane Departure Warning Wiring Diagram for Cadillac STS V 2009:

• Battery positive volt
• Computer data lines system
• Driver information center (dic)
• G402 (in rear compt, to rear of left rear shock tower)
• Gnd
• Hot at all times
• Instrument panel cluster (ipc)
• J310
• Lane departure ind
• Left turn ind
• Logic
• Low spd gmlan serial data
• Lt trn/ ldw fuse 10a
• Radio
• Right rear fuse block (under right side of rear seat)
• Right turn ind
• Vehicle direction alert alarm warning module (in rear compartment)

Tire Pressure Monitoring Wiring Diagram for Cadillac STS V 2009

List of elements for Tire Pressure Monitoring Wiring Diagram for Cadillac STS V 2009:

• (in forward lamp harness, 15 cm from ambient air temperature sensor connector) j111
• (in forward lamp harness, 20 cm from ambient air temperature sensor connector) j110
• (in rear compt, to rear of right rear shock tower) g401
• (in rear fascia harness, 33 cm from x401) j404
• (rcdlr)
• Computer data lines system
• Ekm/ i/p mdl fuse 10a
• Gmlan
• Gmlan serial data
• Gnd
• Hot at all times
• Hot w/ acc relay energized
• Ign 1 volt
• Instrument panel cluster (ipc)
• J405 (in rear fascia harness, 30 cm from x401)
• J411
• Left front tire pressure receiver (if equipped)
• Left rear tire pressure receiver (inside rear fascia panel, near left rear wheel) (if equipped)
• Lf tire press receiver sig
• Logic
• Low spd gmlan serial data
• Low tire pressure indicator
• Lr tire press receiver sig
• Rain snsr/ tpm fuse 7.5a
• Receiver low ref
• Receiver sply volt
• Remote control door lock receiver
• Rf tire press receiver sig
• Right front tire pressure receiver (if equipped) (behind right front fender)
• Right rear tire pressure receiver (if equipped) (inside rear fascia panel, near right rear wheel)
• Rr tire press receiver sig
• Tire pressure module (right rear quarter, behind trim panel)
• Underhood fuse block (right front side of engine compt)

WIPER/WASHER

Wiper/Washer Wiring Diagram, with Wiper Inhibit System for Cadillac STS V 2009

List of elements for Wiper/Washer Wiring Diagram, with Wiper Inhibit System for Cadillac STS V 2009:

• (behind inside rearview mirror) windshield outside moisture sensor
• (not used)
• (not used) x320
• Acc volt
• Accy relay
• G101 (near left front strut tower, at bottom of inside fender well)
• G104 (on right front frame rail, near bumper bracket)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hot at all times
• Ign
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J305
• J307
• Logic
• Rain snsr/tpm fuse 7.5a
• Rear integration module (rim) (in left side of rear compt, under rear shelf)
• Underhood fuse block (right front side of engine compt)
• Washer switch
• Windshield wiper inhibit relay (left rear near fuse block)
• Windshield wiper/ washer module (left rear of engine compt, near windshield)
• Windshield wiper/washer switch
• Wiper mtr high speed
• Wiper sw on signal
• Wiper sw signal 1
• Wiper sw signal 2
• Wiper switch
• Wpr fuse 30a
• Wpr hi relay
• Wpr/sw/ vics fuse 7.5a

Wiper/Washer Wiring Diagram, without Wiper Inhibit System (1 of 2) for Cadillac STS V 2009

List of elements for Wiper/Washer Wiring Diagram, without Wiper Inhibit System (1 of 2) for Cadillac STS V 2009:

• (not used)
• Acc volt
• Accy relay
• G101 (near left front strut tower, at bottom of inside fender well)
• G104 (on right front frame rail, near bumper bracket)
• Ground
• Hdlp relay control
• Hot at all times
• Hot w/ run/crank relay energized
• Htd wash/aqs fuse 10a
• Instrument panel module (ipm) (right side of dash, behind glove box)
• J411 (w/ tire pressure)
• Left heated washer nozzle (if equipped)
• Pnk
• Rain snsr/tpm fuse 7.5a
• Right heated washer nozzle (if equipped)
• Sns sig 1
• Sns sig 2
• Tan
• Underhood fuse block (right front side of engine compt)
• W/ hid
• Washer fluid level sig
• Washer pump ctrl
• Washer switch
• Windshield wiper/ washer module (left rear of engine compt, near windshield)
• Windshield wiper/washer switch
• Wiper mtr high speed
• Wiper sw on signal
• Wiper sw signal 1
• Wiper sw signal 2
• Wiper switch
• Wpr fuse 30a
• Wpr hi relay
• Wpr/sw/vics fuse 7.5a

Wiper/Washer Wiring Diagram, without Wiper Inhibit System (2 of 2) for Cadillac STS V 2009

List of elements for Wiper/Washer Wiring Diagram, without Wiper Inhibit System (2 of 2) for Cadillac STS V 2009:

• Acc volt
• G101 (near left front strut tower, at bottom of inside fender well)
• G402 (in rear compt, to rear of left rear shock tower)
• Ground
• Hdlp wash circuit breaker 30a
• Headlamp washer fluid pump (inside washer fluid reservoir)
• Headlamp washer fluid pump relay (w/ high pressure headlamp washer) (mounted to core support, in front of underhood fuse block)
• Hot at all times
• J310
• Sns sig 1
• Sns sig 2
• Tan
• Underhood fuse block (right front side of engine compt)
• Windshield outside moisture sensor (if equipped) (behind inside rearview mirror)
• Windshield washer fluid level switch (in washer fluid reservoir)
• Windshield washer fluid pump (on side of windshield washer reservoir)