ENGINE PERFORMANCE

2.0L VIN X

2.0L VIN X, Engine Performance Wiring Diagram (1 of 7) for Cadillac CTS Vsport 2014

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (1 of 7) for Cadillac CTS Vsport 2014:

(body harness, 25.5 cm rear of breakout to x320)
(rear of right rear wheelwell) fuel tank pressure sensor
5 volt ref
5-v ref
5v ref
A/c compressor clutch rly ctrl
A/c press sens 5v ref
A/c refrigerant press sens lo ref
A/c refrigerant pressure sens sig
A/c refrigerant pressure sensor (on a/c refrigerant line)
Accessory wakeup serial data
Air conditioning system
Air pressure sig
App lo ref
App low ref
App sens sig (1)
App sens sig (2)
Batt pos volt
Brake pedal position sensor (top of brake pedal assembly)
Check engine ind ctrl
Cnstr vent fuse 10a
Computer data lines system
Cooling fan rly ctrl spd sig
Cooling fans system
Cruise control system
Cruise/etc/tcc brk sig
Ecm/ batt fuse 10a
Engine control module (lower right front of engine compt)
Evap canister vent sol ctrl
Evaporative emission vent solenoid valve (on evaporative emission canister)
Fuel level sens lo ref
Fuel pump fscm fuse 20a
Fuel pump primary relay control
Fuel tank pressure sens sig
Hi spd gmlan serial data (+)
Hi spd gmlan serial data (-)
Hot at all times
J354
Low ref
Powertrain main rly fused sply (1)
Powertrain main rly fused sply (2)
Powertrain rly coil ctrl
Pre-throttle air press & temp sig
Primary fuel level sens sig
Rear body fuse block (left side of luggage compt)
Run/crank ign 1 volt
Secondary fuel level sens lo ref
Sens sig
Starter enable rly ctrl
Starting/charging system
X150

2.0L VIN X, Engine Performance Wiring Diagram (2 of 7) for Cadillac CTS Vsport 2014

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List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (2 of 7) for Cadillac CTS Vsport 2014:

(behind center of front grille) active grille air shutter actuator
(body harness, in branch to g401 & battery, approximately 5 cm from main bundle) j428
(top left side of fuel tank)
(top of accelerator pedal assembly) accelerator pedal position sensor
5v ref
Acc wakeup
Aero shutter
Aero shutter fuse 15a
Bare
Batt
Chassis control module
Computer data lines system
Ctrl
Ctrl aero shutter
Data bus +
Data bus -
Ecm ign fuse 15a
Fuel level sensor assembly
Fuel pressure sensor (in fuel line above right side of fuel tank)
Fuel pump
Fuel pump & level sensor assembly (top left side of fuel tank)
G101 (on left radiator support)
G303 (base of left "b" pillar)
Ground
Hot w/ ignition main relay energized
J107 (w/ hid)
J375
J376
J430
J431
Logic
Low ref
Primary fuel level sensor
Rly ctrl
Run/crank volt
Secondary fuel level sensor
Sens sig
Serial data
Shield
Sol ctrl 1
Sol ctrl 2
Sply volt
Turbocharger boost/ intake air temperature sensor (2.0l turbo) (right front of engine)
Underhood fuse block (right front of engine compt)
X100
X115
X150
X350
X356

2.0L VIN X, Engine Performance Wiring Diagram (3 of 7) for Cadillac CTS Vsport 2014

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List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (3 of 7) for Cadillac CTS Vsport 2014:

(not used)
Aos disply/ mil ign fuse 5a
Auxiliary underhood fuse block (right front of engine compt)
Ecm fuse 25a
Engine controls ignition relay
Engine coolant temperature sensor (rear of cylinder head)
Engine oil pressure sensor (right side of engine block)
Exhaust camshaft position actuator solenoid valve (top left front of cylinder head)
Fscm ign fuse 10a
High pressure fuel pump (top right rear of engine)
Hot w/ ignition main relay energized
Htd str whl fuse 15a
Ign coil inj fuse 15a
Ign coil inj/ spare fuse 15a
J130
Left engine mount solenoid valve (mounted to right rear engine mount)
O2 snsr emis fuse 10a
Power distribution system
Red
Right engine mount solenoid valve (mounted to left rear engine mount)
Underhood fuse block (right front of engine compt)
X150

2.0L VIN X, Engine Performance Wiring Diagram (4 of 7) for Cadillac CTS Vsport 2014

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List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (4 of 7) for Cadillac CTS Vsport 2014:

(top of cylinder head)
5v ref
Actuator hi ctrl
Actuator low ctrl
Cam exht sol (1)
Cam intke sol (1)
Cam pos exht sply
Cam pos intke sens
Cam pos intke sply
Chk eng ind ctrl
Computer data lines system
Crnk 60x sens volt
Crnk sens sig
Data (+)
Data (-)
Dfi hi vol sply 1
Dfi hi vol sply 2
Dfi hi vol sply 3
Dfi hi vol sply 4
Ect sens sig
Engine control module (lower right front of engine compt)
G107 (rear of cylinder head)
G201 (left kick panel)
Gnd
Ign 1 volt
Ign ctrl (1)
Ign ctrl (2)
Ign ctrl (3)
Ign ctrl (4)
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Instrument cluster
J132 (engine harness, 4.5 cm rearward of breakout to ignition coil 1)
J137 (engine harness, 3 cm rearward of breakout to ignition coil 2)
Logic
Low ref
Low ref bank 1
Malfunction ind lamp
Nca
Oil press sens sig
Red
Sens lo ref
Serial
Sig engine spd
Spark plug
Sply volt
X150
X275

2.0L VIN X, Engine Performance Wiring Diagram (5 of 7) for Cadillac CTS Vsport 2014

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List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (5 of 7) for Cadillac CTS Vsport 2014:

(left rear of engine) engine oil pressure control solenoid valve
(right side of cylinder head, behind intake manifold)
Battery fuse block (top of battery)
Crankshaft position sensor (right rear of engine)
Dfi hi vol sply 1
Dfi hi vol sply 2
Dfi hi vol sply 3
Dfi hi vol sply 4
Engine control module (lower right front of engine compt)
Exhaust camshaft position sensor (left rear of cylinder head)
Fuel
Fuse 350a
G100
Gnd
Hot at all times
Injector 1
Injector 2
Injector 3
Injector 4
Intake camshaft position actuator solenoid valve (top right front cylinder head)
Intake camshaft position sensor (right rear of cylinder head)
Low ref
Red
X160

2.0L VIN X, Engine Performance Wiring Diagram (6 of 7) for Cadillac CTS Vsport 2014

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List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (6 of 7) for Cadillac CTS Vsport 2014:

(attached to the air cleaner assembly) multi-function intake air sensor
(engine harness, 18.5 cm from generator) j140
(engine harness, 7.5 cm from branch to power steering) j139
(right side of oil pan) engine oil level switch
(top right front of engine) evaporative emission purge solenoid valve
G100
G202 (right kick panel)
Knock sensor 1 (right front side of engine block)
Knock sensor 2 (right rear side of engine block)
Mode +
Mode -
Turbocharger bypass solenoid valve (on turbocharger)
Turbocharger wastegate solenoid valve (on turbocharger)
Vehicle stability control switch
X150
X325

2.0L VIN X, Engine Performance Wiring Diagram (7 of 7) for Cadillac CTS Vsport 2014

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List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (7 of 7) for Cadillac CTS Vsport 2014:

(in exhaust, downstream of catalytic converter) heated oxygen sensor 2
(in exhaust, upstream of catalytic converter) heated oxygen sensor 1
5v ref
5v ref fuel rail press sens sig
Air temp sens sig
Bank 1 sens (1)
Bank 1 sens (2)
Bank 1 snsr (1)
Bank 1 snsr (2)
Charge ind ctrl
Ctrl bank (1)
Drv mod sw sig
Engine control module (lower right front of engine compt)
Engine spd sig
Fuel rail pressure sensor (behind intake manifold, on fuel rail assembly)
G100
Generator field
Gnd
Hi ref bank 1
Iat sens low ref
Knock sens (1)
Knock sens (2)
Knock sens sig (1)
Knock sens sig (2)
Logic
Low ref
Maf sens sig
Manifold absolute pressure sensor (right front of engine)
Map low ref
Map sens sig
Nca
Oil level sw sig
Oil pmp sig
Purge sol ctrl
Sens sig
Sens sig bank (1)
Starting/charging system
Tac close
Tac open
Tac sens sig
Throttle body (right front of engine)
Trans prk/neu sig
Transmissions system
Wast gat sol ctrl
X160

3.0L VIN 5

3.0L VIN 5, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS Vsport 2014:

air inlet absolute pressure sens
(on a/c refrigerant line) a/c refrigerant pressure sensor
(top of accelerator pedal assembly) accelerator pedal position (app) sensor
(top of brake pedal assembly) brake pedal position sensor
5-v 1 ref
5-v 3 ref
5-v vol 1 ref
5-v vol 4 ref
A/c compressor clutch rly ctrl
A/c refrigerant pressure sens sig
Air conditioning system
App sens 1 sig
App sens 2 sig
Batt pos vol
Clutch pos sens sply
Computer data lines system
Cooling fan rly ctrl
Cooling fans system
Cruise control system
Engine control module (ecm) (below left headlamp assembly)
Evap canister vent sol ctrl
Evaporative emission (evap) canister vent solenoid valve (on evaporative emission canister)
Fuel level sens sig
Fuel level sensor assembly (top left side of fuel tank)
Fuel pump
Fuel pump & sender assembly
Fuel pump rly ctrl
Fuel tank pressure (ftp) sensor (rear of right rear wheelwell)
Fuel tank pressure sensor sig
Gmlan serial data bus +
Gmlan serial data bus -
Ign 1 vol
Ign vol
J400 (fuel tank harness, near x420)
Low ref
Low speed cooling fan rly ctrl
Mil ctrl
Nca
Pnk
Primary fuel level sensor
Pwr/trn relay control
Pwr/trn relay voltage
Secondary fuel level sens sig
Secondary fuel level sensor
Sens low ref
Sens sig pos
Starter relay coil control
Starting/charging system
Stop lamp switch signal
Tan
Wake-up sig
X101
X104
X402
X420

3.0L VIN 5, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS Vsport 2014:

(body harness,15 cm from fuel system control module connector)
(in fuel line above right side of fuel tank) fuel pressure sensor
5-v ref
Batt vol
Chassis control module (left side of luggage compt)
Cnstr/ vent fuse 10a
Computer data lines system
Data bus +
Data bus -
Drain wire
Driver information center (dic)
Ecm 2 fuse 20a
Ecm fuse 15a
Ecm/ tcm ign fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Engine controls ignition relay
Engine coolant temperature sensor (left rear of engine block)
Even coils fuse 15a
Exhaust bank 1 camshaft position (cmp) actuator solenoid valve (front of right cylinder head)
Fscm fuse 20a
Fuel pump
Fuel pump gnd
G401 (behind right side of rear seat)
Gnd
Hot at all times
Hot w/ ignition main relay energized
Ign 1 volt
Instrument cluster
Intake bank 2 camshaft position (cmp) actuator solenoid valve (front of left cylinder head)
J423
Lines system computer data
Lo spd gmlan
Logic
Low ref
Malfunction ind lamp (mil)
Nca
Odd coils fuse 20a
Pnk
Power
Power distribution
Rear body fuse block (left side of luggage compt)
Relay ctrl
Sens sig
Serial data comm enable
Sply
System
System data lines computer
System distribution
Tan
Underhood fuse block (right front of engine compt)
W/ electronically operated parking brake
Wagon
Wagon w/o electronically operated parking brake
X104
X200
X225
X402
X420
X440

3.0L VIN 5, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS Vsport 2014:

(engine harness, 14 cm from x160 & x161 breakouts) j165
(engine harness, 22 cm from x160)
(top of left cylinder bank)
(top of right cylinder bank)
5-v 1 ref
5-volt 2 ref
5-volt reference 1
Actuator hi ctrl
Actuator low ctrl
Ckp sensor signal
Cmp sens sig
Ect sens sig
Engine control module (ecm) (below left headlamp assembly)
Engine oil pressure (eop) sensor (in oil filter housing)
Exhaust bank 1 sig
Exhaust bank 2
Exhaust bank 2 sig
G130 (rear of right cylinder bank)
G131 (rear of left cylinder bank)
High pressure fuel pump (rear of left cylinder bank)
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Intake bank 1 camshaft position (cmp) actuator solenoid valve (front of right cylinder head)
Intake bank 2
Intake bank 2 sig
J161
J162
J166 (engine harness, 20 cm from ignition coil 4 connector)
Low ref
Low reference
Nca
Oil press sens sig
Spark plug
Tan

3.0L VIN 5, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS Vsport 2014:

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

3.0L VIN 5, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.0L VIN 5, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS Vsport 2014:

(left exhaust pipe, downstream catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(left exhaust pipe, upstream catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(right exhaust pipe, upstream catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
(right exhaust pipe,downstream catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
5-v 1 ref
5-v 3 ref
5-v 4 ref
A tan
Air temp sens sig
C tan
Duty cycle sig
Engine control module (ecm) (below left headlamp assembly)
Frp sens sig
Fuel rail pressure (frp) sensor (3.0l : under intake manifold, on front of fuel rail) (3.6l: under intake manifold, on left fuel rail)
G132 (rear of right cylinder bank)
Gnd
Ho2s b1 s1 hi sig
Ho2s b1 s1 lo sig
Ho2s b1 s2 hi sig
Ho2s b1 s2 lo sig
Ho2s b2 s1 hi sig
Ho2s b2 s1 lo sig
Ho2s b2 s2 hi sig
Ho2s b2 s2 lo sig
Ho2s htr b1 s1 lo ctrl
Ho2s htr b1 s2 lo ctrl
Ho2s htr b2 s1 lo ctrl
Ho2s htr b2 s2 lo ctrl
Humidity sens sig
Knock sens 1 sig
Knock sens 2 sig
Knock sensor (ks) 1 (right side of engine block)
Knock sensor (ks) 2 (left side of engine block)
Low ref
Low reference
Maf sens sig generator turn on sig low ref
Manifold absolute pressure sensor (map) (top rear of intake manifold)
Map sens sig
Multifunction intake air sensor (attached to the air cleaner assembly)
Purge sol ctrl
Sens sig
Starting/charging system
Tac mtr ctrl-1
Tac mtr ctrl-2
Tan
Throttle body (top center front of engine)
Transmission park/ neutral signal
Transmissions system
X160

3.6L VIN 3

3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (1 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (1 of 5) for Cadillac CTS Vsport 2014:

air inlet absolute pressure sens
(on a/c refrigerant line) a/c refrigerant pressure sensor
(top of accelerator pedal assembly) accelerator pedal position (app) sensor
(top of brake pedal assembly) brake pedal position sensor
5-v 1 ref
5-v 3 ref
5-v vol 1 ref
5-v vol 4 ref
A/c compressor clutch rly ctrl
A/c refrigerant pressure sens sig
Air conditioning system
App sens 1 sig
App sens 2 sig
Batt pos vol
Clutch pos sens sply
Computer data lines system
Cooling fan rly ctrl
Cooling fans system
Cruise control system
Engine control module (ecm) (below left headlamp assembly)
Evap canister vent sol ctrl
Evaporative emission (evap) canister vent solenoid valve (on evaporative emission canister)
Fuel level sens sig
Fuel level sensor assembly (top left side of fuel tank)
Fuel pump
Fuel pump & sender assembly
Fuel pump rly ctrl
Fuel tank pressure (ftp) sensor (rear of right rear wheelwell)
Fuel tank pressure sensor sig
Gmlan serial data bus +
Gmlan serial data bus -
Ign 1 vol
Ign vol
J400 (fuel tank harness, near x420)
Low ref
Low speed cooling fan rly ctrl
Mil ctrl
Nca
Pnk
Primary fuel level sensor
Pwr/trn relay control
Pwr/trn relay voltage
Secondary fuel level sens sig
Secondary fuel level sensor
Sens low ref
Sens sig pos
Starter relay coil control
Starting/charging system
Stop lamp switch signal
Tan
Wake-up sig
X101
X104
X402
X420

3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (2 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (2 of 5) for Cadillac CTS Vsport 2014:

(body harness,15 cm from fuel system control module connector)
(in fuel line above right side of fuel tank) fuel pressure sensor
5-v ref
Batt vol
Chassis control module (left side of luggage compt)
Cnstr/ vent fuse 10a
Computer data lines system
Data bus +
Data bus -
Drain wire
Driver information center (dic)
Ecm 2 fuse 20a
Ecm fuse 15a
Ecm/ tcm ign fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Engine controls ignition relay
Engine coolant temperature sensor (left rear of engine block)
Even coils fuse 15a
Exhaust bank 1 camshaft position (cmp) actuator solenoid valve (front of right cylinder head)
Fscm fuse 20a
Fuel pump
Fuel pump gnd
G401 (behind right side of rear seat)
Gnd
Hot at all times
Hot w/ ignition main relay energized
Ign 1 volt
Instrument cluster
Intake bank 2 camshaft position (cmp) actuator solenoid valve (front of left cylinder head)
J423
Lines system computer data
Lo spd gmlan
Logic
Low ref
Malfunction ind lamp (mil)
Nca
Odd coils fuse 20a
Pnk
Power
Power distribution
Rear body fuse block (left side of luggage compt)
Relay ctrl
Sens sig
Serial data comm enable
Sply
System
System data lines computer
System distribution
Tan
Underhood fuse block (right front of engine compt)
W/ electronically operated parking brake
Wagon
Wagon w/o electronically operated parking brake
X104
X200
X225
X402
X420
X440

3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (3 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (3 of 5) for Cadillac CTS Vsport 2014:

(engine harness, 14 cm from x160 & x161 breakouts) j165
(engine harness, 22 cm from x160)
(top of left cylinder bank)
(top of right cylinder bank)
5-v 1 ref
5-volt 2 ref
5-volt reference 1
Actuator hi ctrl
Actuator low ctrl
Ckp sensor signal
Cmp sens sig
Ect sens sig
Engine control module (ecm) (below left headlamp assembly)
Engine oil pressure (eop) sensor (in oil filter housing)
Exhaust bank 1 sig
Exhaust bank 2
Exhaust bank 2 sig
G130 (rear of right cylinder bank)
G131 (rear of left cylinder bank)
High pressure fuel pump (rear of left cylinder bank)
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Intake bank 1 camshaft position (cmp) actuator solenoid valve (front of right cylinder head)
Intake bank 2
Intake bank 2 sig
J161
J162
J166 (engine harness, 20 cm from ignition coil 4 connector)
Low ref
Low reference
Nca
Oil press sens sig
Spark plug
Tan

3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (4 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (4 of 5) for Cadillac CTS Vsport 2014:

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

3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (5 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Coupe (5 of 5) for Cadillac CTS Vsport 2014:

(left exhaust pipe, downstream catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(left exhaust pipe, upstream catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(right exhaust pipe, upstream catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
(right exhaust pipe,downstream catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
5-v 1 ref
5-v 3 ref
5-v 4 ref
A tan
Air temp sens sig
C tan
Duty cycle sig
Engine control module (ecm) (below left headlamp assembly)
Frp sens sig
Fuel rail pressure (frp) sensor (3.0l : under intake manifold, on front of fuel rail) (3.6l: under intake manifold, on left fuel rail)
G132 (rear of right cylinder bank)
Gnd
Ho2s b1 s1 hi sig
Ho2s b1 s1 lo sig
Ho2s b1 s2 hi sig
Ho2s b1 s2 lo sig
Ho2s b2 s1 hi sig
Ho2s b2 s1 lo sig
Ho2s b2 s2 hi sig
Ho2s b2 s2 lo sig
Ho2s htr b1 s1 lo ctrl
Ho2s htr b1 s2 lo ctrl
Ho2s htr b2 s1 lo ctrl
Ho2s htr b2 s2 lo ctrl
Humidity sens sig
Knock sens 1 sig
Knock sens 2 sig
Knock sensor (ks) 1 (right side of engine block)
Knock sensor (ks) 2 (left side of engine block)
Low ref
Low reference
Maf sens sig generator turn on sig low ref
Manifold absolute pressure sensor (map) (top rear of intake manifold)
Map sens sig
Multifunction intake air sensor (attached to the air cleaner assembly)
Purge sol ctrl
Sens sig
Starting/charging system
Tac mtr ctrl-1
Tac mtr ctrl-2
Tan
Throttle body (top center front of engine)
Transmission park/ neutral signal
Transmissions system
X160

3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (1 of 6) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (1 of 6) for Cadillac CTS Vsport 2014:

(body harness, 25.5 cm rear of breakout to x320)
(fuel tank harness, in vehicle underbody, near fuel tank)
(rear of right rear wheelwell) fuel tank pressure sensor
(top of accelerator pedal assembly) accelerator pedal position sensor
5 volt ref
5v ref
5v ref (1)
5v ref (2)
5v reference
A/c clutch rly ctrl
A/c pressure sens 5v ref
A/c refrigerant pressure sens sig
A/c refrigerant pressure sensor (on a/c refrigerant line)
Aero shutter fuse 10a
Air conditioning system
Anti-lock brakes system
App sens sig (1)
App sens sig (2)
Batt pos volt
Brake pedal position sensor (top of brake pedal assembly)
Brk pos sen sig
Check engine ind ctrl
Computer data lines system
Cooling fan ctrl rly speed sig
Cooling fans system
Cruise/etc/tcc brake sig
Ecm ign fuse 15a
Engine control module (ecm) (below left headlamp assembly)
Evap canister vent sol ctrl
Evaporative emission vent solenoid valve (on evaporative emission canister)
Fuel pump
Fuel pump & level sensor assembly (top left side of fuel tank)
Fuel pump rly ctrl
Fuel tank pressure sens sig
Gmlan serial data bus +
Gmlan serial data bus -
Hot w/ ignition main relay energized
Ign volt 1
J107 (w/ hid)
J354
J375
J376
Low ref
Low ref (1)
Low ref (2)
Powertrain main rly (1) sply
Powertrain main rly (2) sply
Powertrain main rly (3) sply
Powertrain rly coil ctrl
Pressure sens sig
Primary fuel level sens sig
Primary fuel level sensor
Pump rly coil ctrl
Secondary fuel level sens sig
Secondary fuel level sensor (in fuel tank)
Sens 2 gnd
Sens 2 sply volt
Sens low ref
Sens sig 2
Shield)
Solenoid rly coil ctrl
Starter enable rly ctrl
Starting/ charging system
Underhood fuse block (right front of engine compt)
Wake-up ser data
X150
X275
X350

3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (2 of 6) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (2 of 6) for Cadillac CTS Vsport 2014:

(body harness, 20.5 cm from x350)
(body harness, in branch to g401 & battery, approximately 5 cm from main bundle)
(not used)
(right front of engine compt) underhood fuse block
(w/ posi traction: body harness, 17 cm left of x405 breakout) (w/o posi traction: body harness, 44.5 cm from chassis control module)
5v ref
A/c compressor clutch relay
Air pump fuse 50a
Areo
Auxiliary coolant pump relay
Auxiliary underhood fuse block (right front of engine compt)
Batt pos vol
Chassis control module (left side of luggage compt)
Cnstr vent fuse 10a
Computer data lines system
Ecm fuse 25a
Ecm/ batt fuse 10a
Eng mount sol contr 1
Engine controls ignition relay
Engine mount solenoid valve (mounted to left rear engine mount)
Exhaust bank 2 camshaft position actuator solenoid valve (front of left cylinder bank)
Fscm ign fuse 10a
Fuel pressure sensor (in fuel line above right side of fuel tank)
Fuel pump fscm fuse 20a
Fuel pump low ref
Fuel shld extsn
G303 (base of left "b" pillar)
Gnd
Hot at all times
Hot w/ ignition main relay energized
Htd
Ign
Ign 1 volt 1
Ign coil inj fuse 15a
Ign coil inj/spare fuse 15a
Intake bank 2 camshaft position actuator solenoid valve (front of left cylinder bank)
J428
J430
J431
Low ref
Nca
Odd fuse 15a
Power distribution system
Press sens sig
Pump rly ctrl
Pump supy vol
Rear body fuse block (left side of luggage compt)
Red
Secondary air injection pump relay
Secondary air injection solenoid valve relay
Ser data bus +
Ser data bus -
Shutter ctrl
Snsr emis fuse 10a
Spare pt fuse 10a
Str whl fuse 15a
X150
X350

3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (3 of 6) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (3 of 6) for Cadillac CTS Vsport 2014:

(rear of left cylinder bank) high pressure fuel pump
(right rear of engine) crankshaft position sensor
(right side of oil pan) engine oil level switch
Active grille air shutter actuator (behind center of front fascia)
Battery fuse block (top of battery)
Computer data lines system
Ctrl aero
Engine check
Engine coolant temperature (ect) sensor (left rear of engine block)
Exhaust bank 1 camshaft position actuator solenoid valve (front of right cylinder head)
Exhaust bank 2 camshaft position sensor (front of left cylinder bank)
Fuse 350a
G100 (right front of engine)
G101 (on left radiator support)
G107 (rear of left cylinder bank)
Gnd
Hot at all times
Ind ctrl
Instrument cluster
Intake bank 1 camshaft position actuator solenoid valve (front of right cylinder head)
Intake bank 1 camshaft position sensor (front of right cylinder bank)
J100
Logic
Malti-function ind
Red
Secondary air injection (air) pump (left front of engine)
Serial data
Volt ign 1
X100
X115

3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (4 of 6) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (4 of 6) for Cadillac CTS Vsport 2014:

(awd: engine harness, 5.5 cm from high pressure fuel pump) (rwd: engine harness, 3 cm from breakout to g107) j132
(engine harness, 20 cm left of breakout to x161)
(engine harness, in branch to underhood auxiliary fuse block, 6.5 cm from breakouts)
(top of left cylinder bank) ignition coil 2
(top of left cylinder bank) ignition coil 4
(top of left cylinder bank) ignition coil 6
(top of right cylinder bank) ignition coil 1
(top of right cylinder bank) ignition coil 3
(top of right cylinder bank) ignition coil 5
Actuator hi ctrl
Actuator low ctrl
Crk 6ox low ref
Crk shf 6ox sens
Ect sens sig
Engine control module (ecm) (below left headlamp assembly)
Exhaust sens 1 sig
Exhaust sens 2 sig
Exhaust solend (1)
Exhaust solend (2)
Exhaust sply (1)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
G107 (rear of left cylinder bank)
G109 (right front of engine)
Ign 1 ctrl
Ign 2 ctrl
Ign 3 ctrl
Ign 4 ctrl
Ign 5 ctrl
Ign 6 ctrl
Intake sens 1 sig
Intake sens 2 sig
Intake sens sply 1
Intake sens sply 2
Intake solend (1)
Intake solend (2)
J133
J137
J138 (engine harness, 26 cm left of breakout to x161)
Low ref
Low ref (1)
Low ref bank 1
Low ref bank 2
Nca
Oil press sens sig
Press sens 5v ref
Press sens low ref
Spark plug

3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (5 of 6) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (5 of 6) for Cadillac CTS Vsport 2014:

(top of right cylinder bank) evaporative emission purge solenoid valve
(under intake manifold, in left cylinder bank)
(under intake manifold, in right cylinder bank)
Engine control module (ecm) (below left headlamp assembly)
Engine oil pressure sensor (in oil filter housing)
Exhaust camshaft position sensor (bank 1) (front of right cylinder bank)
Exhaust sply (2)
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 injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
G100 (right front of engine)
G107 (rear of left cylinder bank)
G202 (left kick panel)
Gnd
Intake camshaft position sensor (bank 2) (front of left cylinder bank)
J301
Low ref
Low ref (2)
Mode
Secondary air injection (air) solenoid valve (bank 1) (side of right cylinder bank)
Secondary air injection (air) solenoid valve (bank 2) (side of left cylinder bank)
Vehicle stability control switch
X160
X161
X325

3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (6 of 6) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Sedan (6 of 6) for Cadillac CTS Vsport 2014:

(engine harness, 2.5 cm from breakout to ignition coil 5)
(engine harness, 3.5 cm forward of breakout to ignition coil 6)
(left exhaust pipe, downstream catalytic converter) heated oxygen sensor bank 2 sensor 2
(left exhaust pipe, upstream catalytic converter) heated oxygen sensor bank 2 sensor 1
(right exhaust pipe, downstream catalytic converter) heated oxygen sensor bank 1 sensor 2
(right exhaust pipe, upstream catalytic converter) heated oxygen sensor bank 1 sensor 1
5-volt ref
5v ref
Actuator ctrl close
Air temp sens sig
C tan
Charge ind ctrl
Driver mode sw sig
Duty cycle sig
Eng spd sig
Engine control module (ecm) (below left headlamp assembly)
Evap purge sol ctrl
Frp sens sig
Fuel rail pressure sensor (under intake manifold, on left fuel rail)
G100 (right front of engine)
Ground
Ho2s b 1 s 1 hi sig
Ho2s b 1 s 1 lo sig
Ho2s b 1 s 2 hi sig
Ho2s b 1 s 2 lo sig
Ho2s b 2 s 1 hi sig
Ho2s b 2 s 1 lo sig
Ho2s b 2 s 2 lo sig
Ho2s b2 s 2 hi sig
Ho2s htr b1 s1 lo ctrl
Ho2s htr b1 s2 lo ctrl
Ho2s htr b2 s1 lo ctrl
Ho2s htr b2 s2 lo ctrl
Humidity sens sig
Instrument cluster systems
J139
J140
Knock sens 1 sig
Knock sens 2 sig
Knock sensor 1 (right side of engine block)
Knock sensor 2 (left side of engine block)
Logic
Low ref
Low ref (1)
Low ref (2)
Maf sens sig
Manifold absolute pressure sensor (top center of intake manifold assembly)
Map sens sig
Multi-function intake air sensor (attached to the air cleaner assembly)
Oil level sw sig
Park/neutral sig (1)
Sens sig
Sply volt
Starting/ charging system
Tan
Throttle actu ctrl open
Throttle body (top center front of engine)
Transmissions system
Vlv 1 low ref
X150
X161

3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (1 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (1 of 5) for Cadillac CTS Vsport 2014:

air inlet absolute pressure sens
(on a/c refrigerant line) a/c refrigerant pressure sensor
(top of accelerator pedal assembly) accelerator pedal position (app) sensor
(top of brake pedal assembly) brake pedal position sensor
5-v 1 ref
5-v 3 ref
5-v vol 1 ref
5-v vol 4 ref
A/c compressor clutch rly ctrl
A/c refrigerant pressure sens sig
Air conditioning system
App sens 1 sig
App sens 2 sig
Batt pos vol
Clutch pos sens sply
Computer data lines system
Cooling fan rly ctrl
Cooling fans system
Cruise control system
Engine control module (ecm) (below left headlamp assembly)
Evap canister vent sol ctrl
Evaporative emission (evap) canister vent solenoid valve (on evaporative emission canister)
Fuel level sens sig
Fuel level sensor assembly (top left side of fuel tank)
Fuel pump
Fuel pump & sender assembly
Fuel pump rly ctrl
Fuel tank pressure (ftp) sensor (rear of right rear wheelwell)
Fuel tank pressure sensor sig
Gmlan serial data bus +
Gmlan serial data bus -
Ign 1 vol
Ign vol
J400 (fuel tank harness, near x420)
Low ref
Low speed cooling fan rly ctrl
Mil ctrl
Nca
Pnk
Primary fuel level sensor
Pwr/trn relay control
Pwr/trn relay voltage
Secondary fuel level sens sig
Secondary fuel level sensor
Sens low ref
Sens sig pos
Starter relay coil control
Starting/charging system
Stop lamp switch signal
Tan
Wake-up sig
X101
X104
X402
X420

3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (2 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (2 of 5) for Cadillac CTS Vsport 2014:

(body harness,15 cm from fuel system control module connector)
(in fuel line above right side of fuel tank) fuel pressure sensor
5-v ref
Batt vol
Chassis control module (left side of luggage compt)
Cnstr/ vent fuse 10a
Computer data lines system
Data bus +
Data bus -
Drain wire
Driver information center (dic)
Ecm 2 fuse 20a
Ecm fuse 15a
Ecm/ tcm ign fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Engine controls ignition relay
Engine coolant temperature sensor (left rear of engine block)
Even coils fuse 15a
Exhaust bank 1 camshaft position (cmp) actuator solenoid valve (front of right cylinder head)
Fscm fuse 20a
Fuel pump
Fuel pump gnd
G401 (behind right side of rear seat)
Gnd
Hot at all times
Hot w/ ignition main relay energized
Ign 1 volt
Instrument cluster
Intake bank 2 camshaft position (cmp) actuator solenoid valve (front of left cylinder head)
J423
Lines system computer data
Lo spd gmlan
Logic
Low ref
Malfunction ind lamp (mil)
Nca
Odd coils fuse 20a
Pnk
Power
Power distribution
Rear body fuse block (left side of luggage compt)
Relay ctrl
Sens sig
Serial data comm enable
Sply
System
System data lines computer
System distribution
Tan
Underhood fuse block (right front of engine compt)
W/ electronically operated parking brake
Wagon
Wagon w/o electronically operated parking brake
X104
X200
X225
X402
X420
X440

3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (3 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (3 of 5) for Cadillac CTS Vsport 2014:

(engine harness, 14 cm from x160 & x161 breakouts) j165
(engine harness, 22 cm from x160)
(top of left cylinder bank)
(top of right cylinder bank)
5-v 1 ref
5-volt 2 ref
5-volt reference 1
Actuator hi ctrl
Actuator low ctrl
Ckp sensor signal
Cmp sens sig
Ect sens sig
Engine control module (ecm) (below left headlamp assembly)
Engine oil pressure (eop) sensor (in oil filter housing)
Exhaust bank 1 sig
Exhaust bank 2
Exhaust bank 2 sig
G130 (rear of right cylinder bank)
G131 (rear of left cylinder bank)
High pressure fuel pump (rear of left cylinder bank)
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Intake bank 1 camshaft position (cmp) actuator solenoid valve (front of right cylinder head)
Intake bank 2
Intake bank 2 sig
J161
J162
J166 (engine harness, 20 cm from ignition coil 4 connector)
Low ref
Low reference
Nca
Oil press sens sig
Spark plug
Tan

3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (4 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (4 of 5) for Cadillac CTS Vsport 2014:

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

3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (5 of 5) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram, Wagon (5 of 5) for Cadillac CTS Vsport 2014:

(left exhaust pipe, downstream catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(left exhaust pipe, upstream catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(right exhaust pipe, upstream catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
(right exhaust pipe,downstream catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
5-v 1 ref
5-v 3 ref
5-v 4 ref
A tan
Air temp sens sig
C tan
Duty cycle sig
Engine control module (ecm) (below left headlamp assembly)
Frp sens sig
Fuel rail pressure (frp) sensor (3.0l : under intake manifold, on front of fuel rail) (3.6l: under intake manifold, on left fuel rail)
G132 (rear of right cylinder bank)
Gnd
Ho2s b1 s1 hi sig
Ho2s b1 s1 lo sig
Ho2s b1 s2 hi sig
Ho2s b1 s2 lo sig
Ho2s b2 s1 hi sig
Ho2s b2 s1 lo sig
Ho2s b2 s2 hi sig
Ho2s b2 s2 lo sig
Ho2s htr b1 s1 lo ctrl
Ho2s htr b1 s2 lo ctrl
Ho2s htr b2 s1 lo ctrl
Ho2s htr b2 s2 lo ctrl
Humidity sens sig
Knock sens 1 sig
Knock sens 2 sig
Knock sensor (ks) 1 (right side of engine block)
Knock sensor (ks) 2 (left side of engine block)
Low ref
Low reference
Maf sens sig generator turn on sig low ref
Manifold absolute pressure sensor (map) (top rear of intake manifold)
Map sens sig
Multifunction intake air sensor (attached to the air cleaner assembly)
Purge sol ctrl
Sens sig
Starting/charging system
Tac mtr ctrl-1
Tac mtr ctrl-2
Tan
Throttle body (top center front of engine)
Transmission park/ neutral signal
Transmissions system
X160

3.6L VIN 8

3.6L VIN 8, Engine Performance Wiring Diagram (1 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (1 of 8) for Cadillac CTS Vsport 2014:

(body harness, 25.5 cm rear of breakout to x320)
(fuel tank harness, in vehicle underbody, near fuel tank)
(rear of right rear wheelwell) fuel tank pressure sensor
(top of accelerator pedal assembly) accelerator pedal position sensor
5 volt ref
5v ref
5v ref (1)
5v ref (2)
5v reference
A/c clutch rly ctrl
A/c pressure sens 5v ref
A/c refrigerant pressure sens sig
A/c refrigerant pressure sensor (on a/c refrigerant line)
Air conditioning system
App sens sig (1)
App sens sig (2)
Batt pos volt
Brake pedal position sensor (top of brake pedal assembly)
Brk pos sen sig
Check engine ind ctrl
Computer data lines system
Cooling fan ctrl rly speed sig
Cooling fans system
Cruise control system
Cruise/etc/tcc brake sig
Ecm ign fuse 15a
Engine control module (ecm) (lower right front of engine compt)
Evap canister vent sol ctrl
Evaporative emission vent solenoid valve (on evaporative emission canister)
Fuel pump
Fuel pump & level sensor assembly (top left side of fuel tank)
Fuel pump rly ctrl
Fuel tank pressure sens sig
Fuel temp sig
Gmlan serial data bus +
Gmlan serial data bus -
Heater rly ctrl
Hot w/ ignition main relay energized
Ign volt 1
J354
J375
J376
Low ref
Low ref (1)
Low ref (2)
Powertrain main rly (1) sply
Powertrain main rly (2) sply
Powertrain main rly (3) sply
Powertrain rly coil ctrl
Pressure sens sig
Primary fuel level sens sig
Primary fuel level sensor
Secondary fuel level sens sig
Secondary fuel level sensor (in fuel tank)
Sens 5v ref
Sens low ref
Shield)
Starter enable rly ctrl
Starting/ charging system
Temperature sig
Underhood fuse block (right front of engine compt)
Wake-up ser data
X150
X275

3.6L VIN 8, Engine Performance Wiring Diagram (2 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (2 of 8) for Cadillac CTS Vsport 2014:

(left side of luggage compt) chassis control module
Batt pos vol
Chassis control module (left side of luggage compt)
Computer data lines system
Engine mount solenoid valve (mounted to left rear engine mount)
Fscm ign fuse 10a
G303 (base of left "b" pillar)
Gnd
Hot at all times
Hot w/ ignition main relay energized
Htd str whl fuse 15a
Ign 1
J421
Rear body fuse block (left side of luggage compt)
Serial data
Serial data (+)
Serial data (+) (2)
Serial data (-)
Serial data (-) (2)
Sol ctrl 2
System data lines computer
Tc cntrl mdl/rr cntrl fuse 15a x1
Turbocharger boost/ intake air temperature sensor (top rear of intake manifold)
Underhood fuse block (right front of engine compt)
X150

3.6L VIN 8, Engine Performance Wiring Diagram (3 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (3 of 8) for Cadillac CTS Vsport 2014:

(not used)
A/c compressor clutch relay
Auxiliary underhood fuse block (right front of engine compt)
Batt pos vol
Charge air cooler coolant pump relay
Cnstr vent fuse 10a
Computer data lines system
Ecm fuse 25a
Ecm/ batt fuse 10a
Engine controls ignition relay
Exhaust bank 2 camshaft position actuator solenoid valve (front of left cylinder bank)
Fscm ign fuse 10a
Fuel pressure sensor (in fuel line above right side of fuel tank)
Fuel pump driver control module (above rear axle)
Fuel pump fscm fuse 20a
Fuel pump low ref
Fuel shld extsn
G303 (base of left "b" pillar)
Gnd
Hot at all times
Hot w/ ignition main relay energized
Ign coil inj fuse 15a
Ign coil inj/spare fuse 15a
Intake bank 2 camshaft position actuator solenoid valve (front of left cylinder bank)
J420
J430
J431
Lines system computer data
Nca
Power distribution system
Pump supy vol
Rear body fuse block (left side of luggage compt)
Red
Relay ctrl
Run/crank ign 1
Ser data
Ser data +
Ser data -
Snsr emis fuse 10a
Spare pt fuse 10a
Underhood fuse block (right front of engine compt)
X150
X350

3.6L VIN 8, Engine Performance Wiring Diagram (4 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (4 of 8) for Cadillac CTS Vsport 2014:

(not used)
(on air intake duct to bank 1 turbocharger) mass air flow/ intake air temperature sensor
(rear of left cylinder head) high pressure fuel pump
(right rear of engine) crankshaft position sensor
(right side of oil pan) engine oil level switch
Battery fuse block (top of battery)
Computer data lines system
Engine check
Engine coolant temperature (ect) sensor (left rear of engine block)
Exhaust bank 1 camshaft position actuator solenoid valve (front of right cylinder head)
Exhaust bank 2 camshaft position sensor (front of left cylinder head)
Fuse 300a
G100 (rear of left cylinder bank)
Hot at all times
Ind ctrl
Instrument cluster
Intake bank 1 camshaft position actuator solenoid valve (front of right cylinder head)
Intake bank 1 camshaft position sensor (front of right cylinder head)
Logic
Malfunction ind
Red
Serial data

3.6L VIN 8, Engine Performance Wiring Diagram (5 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (5 of 8) for Cadillac CTS Vsport 2014:

(engine harness, 1.5 cm from breakout to bank 1 intake camshaft position sensor)
(engine harness, 21.5 cm from breakout to manifold absolute pressure sensor)
(engine harness, 9 cm from breakout to g104) j132
(top of left cylinder bank) ignition coil 2
(top of left cylinder bank) ignition coil 4
(top of left cylinder bank) ignition coil 6
(top of right cylinder bank) ignition coil 1
(top of right cylinder bank) ignition coil 3
(top of right cylinder bank) ignition coil 5
Actuator hi ctrl
Actuator low ctrl
Crk 6ox low ref
Crk shf 6ox sens
Ect sens sig
Engine control module (ecm) (lower right front of engine compt)
Exhaust sens 1 sig
Exhaust sens 2 sig
Exhaust solend (1)
Exhaust solend (2)
Exhaust sply (1)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
G107 (rear of left cylinder bank)
G109 (rear of right cylinder head)
Ign 1 ctrl
Ign 2 ctrl
Ign 3 ctrl
Ign 4 ctrl
Ign 5 ctrl
Ign 6 ctrl
Intake sens 1 sig
Intake sens 2 sig
Intake sens sply 1
Intake sens sply 2
Intake solend (1)
Intake solend (2)
J133
J137
J138 (engine harness, 4.5 cm from breakout to bank 2 intake camshaft position sensor)
Low ref
Low ref (1)
Low ref bank 1
Low ref bank 2
Nca
Oil press sens sig
Press sens 5v ref
Press sens low ref
Sens sig bank (1)
Spark plug

3.6L VIN 8, Engine Performance Wiring Diagram (6 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (6 of 8) for Cadillac CTS Vsport 2014:

(top front of right cylinder bank) evaporative emission purge solenoid valve
(under intake manifold in left cylinder bank) fuel injector 2
(under intake manifold in left cylinder bank) fuel injector 4
(under intake manifold in left cylinder bank) fuel injector 6
(under intake manifold in right cylinder bank) fuel injector 1
(under intake manifold in right cylinder bank) fuel injector 3
(under intake manifold in right cylinder bank) fuel injector 5
Engine control module (ecm) (lower right front of engine compt)
Engine oil pressure sensor (in oil filter housing)
Exhaust camshaft position sensor (bank 1) (front of right cylinder bank)
Exhaust sply (2)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
G100 (rear of left cylinder head)
G202 (right kick panel)
Gnd
Intake camshaft position sensor (bank 2) (front of left cylinder head)
J301
Low ref
Low ref (2)
Mode
Vehicle stability control switch
X160
X161
X325

3.6L VIN 8, Engine Performance Wiring Diagram (7 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (7 of 8) for Cadillac CTS Vsport 2014:

(left exhaust pipe, downstream catalytic converter) heated oxygen sensor bank 2 sensor 2
(turbocharger control harness, 26.8 cm forward of x112) j147
(turbocharger control harness, 32.2 cm forward of x112)
Ecm fuse 25a
Hot at all times
J136
J148
J149
Logic
Tan
Throttle body (under intake manifold)
Turbocharger 1 bypass solenoid valve (right front of engine compt)
Turbocharger 1 wastegate solenoid valve (right front of engine compt)
Turbocharger 2 bypass solenoid valve (left front of engine compt)
Turbocharger 2 wastegate solenoid valve (left front of engine compt)
Turbocharger wastegate diode (near upper right corner of radiator)
Underhood fuse block (right front of engine compt)
X112
X164

3.6L VIN 8, Engine Performance Wiring Diagram (8 of 8) for Cadillac CTS Vsport 2014

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List of elements for 3.6L VIN 8, Engine Performance Wiring Diagram (8 of 8) for Cadillac CTS Vsport 2014:

(left exhaust pipe, upstream catalytic converter) heated oxygen sensor bank 2 sensor 1
(right exhaust pipe, downstream catalytic converter) heated oxygen sensor bank 1 sensor 2
(right exhaust pipe, upstream catalytic converter) heated oxygen sensor bank 1 sensor 1
5-volt ref
5v ref
Actuator ctrl close
Air temp sens sig
Barometric pressure sensor (on air intake duct to bank 2 turbocharger)
Charge ind ctrl
Driver mode sw sig
Duty cycle sig
Engine control module (ecm) (lower right front of engine compt)
Evap purge sol ctrl
Flow sens sig
Frp sens sig
Fuel rail pressure sensor (under intake manifold, on left fuel rail)
G100 (rear of left cylinder bank)
Ground
Hi bank 1 sens (1)
Hi bank 1 sens (2)
Hi bank 2 sens (1)
Hi bank 2 sens (2)
High ref bank (2)
Ho2s htr low ctrl (1)
Ho2s htr low ctrl (2)
Humidity sens sig
Intake manifold)
J139
J140
Knock sens 1 sig
Knock sens 2 sig
Knock sensor 1 (under intake manifold, in left cylinder bank)
Knock sensor 2 (under intake manifold, in left cylinder bank)
Low bank 1 sens (1)
Low bank 1 sens (2)
Low bank 2 sens (1)
Low bank 2 sens (2)
Low ref
Low ref (1)
Low ref (2)
Low ref bank (2)
Maf sens sig
Manifold absolute pressure sensor (top rear of
Map sens sig
Multi-function intake air sensor (attached to the air cleaner assembly)
Oil level sw sig
Park/neutral sig (1)
Sens sig
Sens sig bank (1)
Sol 2 ctrl
Sol ctrl bank (2)
Starting/ charging system
Tan
Throttle actu ctrl open
Waste gate sol ctrl
X150
X161
X168

6.2L VIN P

6.2L VIN P, Engine Performance Wiring Diagram (1 of 6) for Cadillac CTS Vsport 2014

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (1 of 6) for Cadillac CTS Vsport 2014:

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

6.2L VIN P, Engine Performance Wiring Diagram (2 of 6) for Cadillac CTS Vsport 2014

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (2 of 6) for Cadillac CTS Vsport 2014:

(engine harness, 23 cm from breakout to supercharger bypass valve)
(m/t) skip shift solenoid actuator
Disply fuse 10a
Ecm pwr fuse 15a
Emis 1 fuse 15a
Emis 2 fuse 15a
Engine controls ignition relay
Evaporative emission (evap) canister purge solenoid valve (top front of engine)
Even coils fuse 15a
Heated oxygen sensor (ho2s) bank 1 sensor 1 (left exhaust pipe, upstream catalytic converter)
Heated oxygen sensor (ho2s) bank 1 sensor 2 (left exhaust pipe, downstream catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (right exhaust pipe, upstream catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 2 (right exhaust pipe, downstream catalytic converter)
Hot at all times
J142
J155
J185
Nca
Odd coils fuse 20a
Pnk
Power distribution system
Supercharger bypass valve solenoid (top front of engine)
Tan
Underhood fuse block (right front of engine compt)

6.2L VIN P, Engine Performance Wiring Diagram (3 of 6) for Cadillac CTS Vsport 2014

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (3 of 6) for Cadillac CTS Vsport 2014:

(68 to 72 not used)
(m/t) reverse inhibit solenoid actuator
(or 5380)
(or 5381)
(or 5382)
(right side of transmission) (m/t) backup lamp switch
5 volt ref
5-volt ref
A/t
Actuator sig
B tan
Backup lp sw sig
Baro sens sig
Barometric pressure (baro) sensor (left side of upper intake manifold assembly)
Break pedal position sensor
Clutch pedal position (cpp) sensor (top of clutch pedal assembly)
Clutch pos sens sply
Coil lvl sw sig
Computer data lines system
Coolant pump ctrl
Cooling fans system
Data bus+
Data bus-
Ect sens sig
Engine control module (ecm) (right rear of engine compt)
Engine coolant temperature (ect) sensor (left front side of left cylinder bank)
Evap ctrl
G132 (rear of right cylinder bank)
Generator field duty cycle signal
Generator turn on sig
Gnd
Ho2s hi sig b2s1
Ho2s hi sig b2s2
Ho2s htr lo ctrl b2s1
Ho2s htr lo ctrl b2s2
Ho2s lo sig b2s1
Ho2s lo sig b2s2
Iat sens sig
Intake air temperature (iat) sensor (left front of upper intake manifold assembly)
Low ref
M/t
Manifold absolute pressure (map) sensor (left front of upper intake manifold assembly)
Map sens sig
Nca
Pnk
Rly ctrl
Sens low ref
Sens sig
Sens sig pos
Skip shift sig
Sol sig
Starting/ charging system
Tan
Transmissions system
Vacuum bypass val ctrl
Vehicle speed sensor (vss) (m/t) (right rear of transmission)
Vss low ref
Vss sig
X105
X140
X240

6.2L VIN P, Engine Performance Wiring Diagram (4 of 6) for Cadillac CTS Vsport 2014

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (4 of 6) for Cadillac CTS Vsport 2014:

(body harness, 17 cm x420 from body grommet) j450
(on a/c refrigerant line) a/c refrigerant pressure sensor
(right side of oil pan) engine oil level & temperature sensor
(under left rear of supercharger) engine oil pressure (eop) sensor
B (not used)
B pnk
Camshaft position (cmp) sensor (lower center front of engine)
Computer data lines system
Crankshaft position (ckp) sensor (right rear of engine)
Driver information center display
Fuel injectors (under supercharger, in right cylinder bank)
Fuel pump & sender assembly (top left side of fuel tank)
G102 (right front of engine compt)
G132 (rear of right cylinder bank)
Gnd
Ign
Instrument cluster
J449 (body harness, 22 cm from body grommet)
Knock sensor (ks) 1 (left side of engine block)
Knock sensor (ks) 2 (right side of engine block)
Logic
Low engine oil pressure ind
Malfunction indicator lamp
Mass air flow sensor (maf)/ intake air temperature (iat) sensor (on air intake duct to bank 1 turbocharger)
Nca
Pnk
Primary fuel pump
Red
Secondary fuel pump
Serial data
Tan
X104
X136
X160

6.2L VIN P, Engine Performance Wiring Diagram (5 of 6) for Cadillac CTS Vsport 2014

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (5 of 6) for Cadillac CTS Vsport 2014:

(even fuel injector harness, top of engine in even injector harness)
(right rear of engine compt) engine control module (ecm)
(top center front of engine) throttle body
(top front of engine) supercharger air inlet pressure sensor
(top of right cylinder bank)
5 volt ref 1
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel injectors (under supercharger, in left cylinder bank)
G135 (rear of right cylinder bank)
Ho2s hi sig b1s1
Ho2s hi sig b1s2
Ho2s lo sig b1s1
Ho2s lo sig b1s2
Ic 1 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 7 ctrl
Ic 8 ctrl
Ign 1 volt
Ignition coil 2
Ignition coil 4
Ignition coil 6
Ignition coil 8
J135
J137
J160 (even fuel injector harness, top of engine in even injector harness)
Ks 1 sig
Ks 2 sig
Low ref
Low ref bank 1
Low ref bank 2
Nca
Pnk
Sens rtn
Spark plug
Tac ctrl close
Tac ctrl open
Tan
X160
X161

6.2L VIN P, Engine Performance Wiring Diagram (6 of 6) for Cadillac CTS Vsport 2014

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List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (6 of 6) for Cadillac CTS Vsport 2014:

(in fuel line above right side of fuel tank) fuel pressure sensor
(odd fuel injector harness, top of engine in odd injector harness)
(odd fuel injector harness, top of engine in odd injector harness) j150
(on a/t control solenoid valve assembly)
(right rear of luggage compt) chassis control module
(top of left cylinder bank)
5 volt ref 1
5 volt ref 2
5v ref
Batt volt
Ckp sens sig
Cmp sens sig
Computer data lines system
Data bus +
Data bus -
Drain wire
Enable serial data comm
Engine control module (ecm) (right rear of engine compt)
Fscm fuse 30a
Fuel inj 1 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Fuel inj 8 ctrl
Fuse pump gnd
G132 (rear of right cylinder bank)
G136 (rear of left cylinder head)
G401 (behind right side of rear seat)
Gnd
Ho2s htr lo ctrl b1s1
Ho2s htr lo ctrl b1s2
Hot at all times
Iat sens sig
Ic 2 ctrl
Ic 3 ctrl
Ic 6 ctrl
Ign 1 volt
Ignition coil 1
Ignition coil 3
Ignition coil 5
Ignition coil 7
J136
J138
J423 (body harness, 15 cm from fuel system control module connector)
Low ref
Maf sens sig
Nca
Pnk
Rear body fuse block (left side of luggage compt)
Rly ctrl
Sens sig
Spark plug
Sply volt
Tan
Tp sens 1 sig
Tp sens 2 sig
Transmission fluid temperature sensor (m/t)
X160
X161
X420