ENGINE PERFORMANCE – Cadillac CTS V 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS V 2009

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Cadillac CTS V 2009:

• (engine harness, near branch for brake booster pump relay) (m/t) j182
• (engine harness, near branch for underhood fuse block)
• (engine harness, near branch for underhood fuse block) j185
• (front of right valve cover)
• (fuel tank harness, near inline con- nector x420) j400
• (on clutch pedal bracket) (m/t) clutch pedal position (cpp) sensor
• (right side of transmission) back up lamp switch
• (top right of engine) g132
• 5v ref 2
• 5v ref 3
• A/c refrigerant pressure sensor (on a/c refrigerant line)
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Batt+ volt
• Clutch rly ctrl
• Cnstr/ vent fuse 10a
• Computer data lines system
• Cooling fans system
• Ecm fuse 15a
• Ecm/ tcm ign fuse 15a
• Engine control module (ecm)
• Evaporative emission (evap) canister vent solenoid valve
• Exterior lights system
• Fan rly ctrl
• Fuel level sens
• Fuel level sensor
• Fuel pump & sender assembly (in fuel tank)
• Fuel tank pressure sensor (in fuel tank)
• G132 (top right of engine)
• G401 (right rear shock tower)
• Gnd
• Heated oxygen sensor bank 1 sensor 2 (left exhaust pipe, after catalytic converter)
• Heated oxygen sensor bank 2 sensor 2 (right exhaust pipe, after catalytic converter)
• Hi volt ctrl cyl 3
• Ho2s hi sig
• Ho2s htr lo ctrl
• Ho2s lo sig
• Hot at all times
• Hot w/ ign main 1 relay energized
• Ign 1 volt
• J181 (m/t)
• J187
• Lamp sw sig
• Lo ref
• Maf sens sig
• Main rly ctrl
• Mil ctrl
• Nca
• Pnk
• Press sens sig
• Rear fuse block (right rear of luggage compt)
• Red
• Rly ctrl
• Sens lo ref
• Sens sig
• Sens sig position
• Sens volt ref 1
• Serial data bus+
• Serial data bus-
• Starting/ charging system
• Str rly coil ctrl
• Sw sig/sply volt
• Tan
• Temp sens sig
• Underhood fuse block (right front of engine compt)
• Vent sol ctrl
• Vss hi sig
• Wakeup serial data

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS V 2009

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Cadillac CTS V 2009:

• Acc
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Body control module (bcm)
• Camshaft position (cmp) sensor (exhaust bank 1) (front of right cylinder head)
• Camshaft position (cmp) sensor (exhaust bank 2) (front of left cylinder head)
• Camshaft position (cmp) sensor (intake bank 1) (front of right cylinder head)
• Camshaft position (cmp) sensor (intake bank 2) (front of left cylinder head)
• Computer data lines system
• Ecm fuse 10a
• Emis 1 fuse 15a
• Emis 2 fuse 15a
• Even coils fuse 15a
• Fuel pump fuse 20a
• Fuel pump relay
• G132 (top right of engine)
• G401 (right rear shock tower)
• Gmlan data
• Hot at all times
• Ignition switch
• J183
• J260 (w/o remote start)
• Mass air flow sensor (maf) & intake air temperature (iat) sensors (left front of engine compt)
• Odd coils fuse 15a
• Off
• Pnk
• Pwr/ trn relay
• Rear fuse block (right rear of luggage compt)
• Run
• Start
• Tan
• Underhood fuse block (right front of engine compt)
• Vehicle speed sensor (right rear of transmission)

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS V 2009

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Cadillac CTS V 2009:

• (center rear of intake manifold) intake manifold tuning (imt) solenoid valve
• (front of left cylinder head) camshaft position (cmp) actuator solenoid (exhaust bank 2)
• (front of right cylinder head) camshaft position (cmp) actuator solenoid (exhaust bank 1)
• (front of right cylinder head) camshaft position (cmp) actuator solenoid (intake bank 1)
• (top right side of engine) evaporative emission (evap) canister purge solenoid valve
• Camshaft position (cmp) actuator solenoid (intake bank 2) (front of left cylinder head)
• Computer data lines system
• Crankshaft position (ckp) sensor (right side of engine)
• Driver information center (dic)
• Engine oil pressure (eop) sensor (in oil filter housing)
• G132 (top right of engine)
• Gmlan lo spd
• Gnd d
• Heated oxygen sensor bank 1 sensor 1 (left exhaust pipe, before catalytic converter)
• Imtv ctrl
• Instrument panel cluster (ipc)
• J142
• Lo spd gmlan
• Logic
• Low engine oil pressure ind
• Malfunction ind lamp (mil)
• Position sig
• Rly fused sply

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS V 2009

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Cadillac CTS V 2009:

• (front center of engine) throttle body
• (ignition coil/ module harness, near inline connector x132)
• (top of right cylinder bank) ignition coil 2
• (top of right cylinder bank) ignition coil 4
• (top of right cylinder bank) ignition coil 6
• Ect sens sig
• Engine control module (ecm) (front right valve cover)
• Engine coolant temperature (ect) sensor (side of left cylinder head)
• G131 (left rear of engine)
• Heated oxygen sensor bank 2 sensor 1 (right exhaust pipe, before catalytic converter)
• Ho2s htr lo ctrl
• Ho2s lo ctrl
• Ho2s lo ref
• Ho2s ref
• Ho2s ref volt
• Htr lo ctrl
• Ic 2 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Imt position sig
• Knock sens 2 sig
• Knock sens sig
• Lo ref
• Nca
• Oil press sens
• Spark plug
• Tp sens 1 sig
• Tp sens 2 sig

3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS V 2009

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Cadillac CTS V 2009:

• (fuel injector harness, near inline connector x121) j151
• (ignition coil/module harness, near inline connector x131) j165
• (on right side of engine block) knock sensor (ks) 1
• (top of left cylinder bank) fuel injectors 1, 3 & 5
• 5v ref 1
• 5v ref 2
• 5v ref 3
• Ckp sens sig
• Engine control module (ecm) (front right valve cover)
• Exhaust sens
• Exhaust sens (2)
• Exhaust sol (1)
• Exhaust sol (2)
• Fuel injectors 2, 4 & 6 (top of right cylinder bank)
• G130 (rear of right cylinder head)
• Gen duty cycle sig
• Gen turn on sug
• Hi volt ctrl cyl 1
• Hi volt ctrl cyl 2
• Hi volt ctrl cyl 3
• Hi volt ctrl cyl 4
• Hi volt ctrl cyl 5
• Hi volt ctrl cyl 6
• Ic 1 ctrl
• Ic 3 ctrl
• Ic 5 ctrl
• Ignition coil 1 (top of left cylinder bank)
• Ignition coil 3 (top of left cylinder bank)
• Ignition coil 5 (top of left cylinder bank)
• Imtv ctrl sig
• Intake sens (1)
• Intake sens (2)
• Intake sol
• Intake sol (1)
• J145
• Knock sens sig
• Knock sensor (ks) 2 (side of left cylinder bank)
• Lo ref
• Nca
• Plug spark
• Purge sol ctrl
• Red
• Spark plug
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• X121) j152

3.6L VIN V

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

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

• (at right rear shock tower) g401
• (engine harness, near branch for underhood fuse block) j185
• (in fuel tank harness, near inline con- nector x420) j400
• (top right of engine) g132
• 5v ref 2
• 5v ref 3
• A/c refrigerant pressure sensor (on a/c refrigerant line)
• A/t internal mode switch
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Automatic transmission
• Batt+ volt
• Clutch rly ctrl
• Cnstr/ vent fuse 10a
• Computer data lines system
• Control solenoid valve assembly
• Cooling fans system
• Ctrl actr sig
• Ecm fuse 15a
• Ecm/ tcm ign fuse 15a
• Engine control module (ecm) (front of right valve cover)
• Evaporative emission (evap) canister vent solenoid valve
• Exterior lights system
• Fan rly ctrl
• Fuel level sens
• Fuel level sensor
• Fuel pump & sender assembly (in fuel tank)
• Fuel tank pressure (ftp) sensor (in fuel tank)
• Gnd
• H2os hi sig
• Heated oxygen sensor bank 1 sensor 2 (on left exhaust pipe, after catalytic converter)
• Heated oxygen sensor bank 2 sensor 2 (right exhaust pipe, after catalytic converter)
• Ho2s htr lo ctrl
• Ho2s lo sig
• Hot at all times
• Hot w/ ign 1 relay energized
• Ign 1 volt
• J187
• Lo ref
• Maf sens sig
• Main rly ctrl
• Mil ctrl
• Pnk
• Press sens sig
• Rear fuse block (right rear of luggage compt)
• Red
• Rly ctrl
• Sens lo ref
• Sens sig
• Sens volt ref 1
• Serial data bus+
• Serial data bus-
• Starting/ charging system
• Str rly coil ctrl
• Sw sig/sply volt
• Tan
• Temp sens sig
• Transmissions system
• Underhood fuse block (right front of engine compt)
• Vent sol ctrl
• Wakeup serial data

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

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

• 15a
• Acc
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Body control module (bcm)
• Brk vac pump fuse 20a
• Camshaft position (cmp) sensor (exhaust bank 1) (front of right cylinder head)
• Camshaft position (cmp) sensor (exhaust bank 2) (front of left cylinder head)
• Camshaft position (cmp) sensor (intake bank 1) (front of right cylinder head)
• Camshaft position (cmp) sensor (intake bank 2) (front of left cylinder head)
• Computer data lines system
• Ecm fuse 10a
• Emis 1 fuse 15a
• Emis 2 fuse 15a
• Even coils fuse
• Fuel pump fuse 20a
• Fuel pump relay
• G132 (top right of engine)
• G401 (right rear shock tower)
• Gmlan data gmlan data x3
• Hot at all times
• Ignition switch
• J183
• J260 (w/o remote start)
• Mass air flow sensor (maf) & intake air temperature (iat) sensors (left front of engine compt)
• Odd coils fuse
• Off
• Pnk
• Pwr/ trn relay
• Rear fuse block (right rear of luggage compt)
• Run
• Start
• Tan
• Underhood fuse block (right front of engine compt)

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

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

• (front of left cylinder head) camshaft position (cmp) actuator solenoid valve (exhaust bank 2)
• (front of right cylinder head) camshaft position (cmp) actuator solenoid valve (exhaust bank 1)
• (front of right cylinder head) camshaft position (cmp) actuator solenoid valve (intake bank 1)
• (top right side of engine) evaporative emission (evap) canister purge solenoid valve
• Auxiliary brake booster pump
• Brake booster pump relay
• Camshaft position (cmp) actuator solenoid valve (intake bank 2) (front of left cylinder head)
• Computer data lines system
• Crankshaft position (ckp) sensor (right side of engine)
• Driver information center (dic)
• Engine oil pressure (eop) sensor (in oil filter housing)
• Fuel rail pressure (frp) sensor
• G132 (top right of engine)
• Gmlan lo spd
• Heated oxygen sensor bank 1 sensor 1 (left exhaust pipe, before catalytic converter)
• Instrument panel cluster (ipc)
• J142
• J184
• Logic
• Low engine oil pressure ind
• Malfunction ind lamp (mil)
• Nca

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

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

• (front center of engine) throttle body
• (top of right cylinder bank) ignition coil 2
• (top of right cylinder bank) ignition coil 4
• (top of right cylinder bank) ignition coil 6
• Actr lo ctrl
• Ect sens sig
• Engine control module (ecm) (front of right valve cover)
• Engine coolant temperature (ect) sensor (side of left cylinder head)
• G131 (left rear of engine)
• Heated oxygen sensor bank 2 sensor 1 (right exhaust pipe, before catalytic converter)
• Hi volt sply cyl 1
• Hi volt sply cyl 4
• Ho2s htr lo ctrl
• Ho2s lo ref
• Ho2s ref volt
• Htr lo ctrl
• Ic 2 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Ign 1 volt
• J162
• Knock sens 2 sig
• Knock sens sig
• Lo ref
• Nca
• Oil press sens
• Plug spark
• Spark plug
• Tp sens 1 sig
• Tp sens 2 sig

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

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

• (rear of right cylinder head) g130
• (right side of engine block) knock sensor (ks) 1
• (top of left cylinder bank) fuel injector 3
• (top of left cylinder bank) fuel injector 5
• (top of right cylinder bank)
• (top of right cylinder bank) fuel injector 6
• 5v ref 1
• 5v ref 2
• 5v ref 3
• Actr hi ctrl
• Ckp sens sig
• Cooling fans system
• Engine control module (ecm) (front of right valve cover)
• Exhaust sens
• Exhaust sens (2)
• Exhaust sol (1)
• Exhaust sol (2)
• Frp sens sig
• Fuel injector 1 (top of left cylinder bank)
• Fuel injector 2
• Fuel injector 4
• Gen duty cycle sig
• Gen turn on sug
• Hi volt ctrl cyl 1
• Hi volt ctrl cyl 2
• Hi volt ctrl cyl 3
• Hi volt ctrl cyl 4
• Hi volt ctrl cyl 5
• Hi volt ctrl cyl 6
• Hi volt sply cyl 2
• Hi volt sply cyl 3
• Hi volt sply cyl 5
• Hi volt sply cyl 6
• High pressure fuel pump
• Htr rly ctrl
• Ic 1 ctrl
• Ic 3 ctrl
• Ic 5 ctrl
• Ignition coil 1 (top of left cylinder bank)
• Ignition coil 3 (top of left cylinder bank)
• Ignition coil 5 (top of left cylinder bank)
• Intake sens (1)
• Intake sens (2)
• Intake sol
• Intake sol (1)
• J161
• Knock sens sig
• Knock sensor (ks) 2 (side of left cylinder bank)
• Lo ref
• Nca
• Plug spark
• Purge sol ctrl
• Red
• Rly coil ctrl
• Spark plug
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan

6.2L VIN P

6.2L VIN P, Engine Performance Wiring Diagram (1 of 6) for Cadillac CTS V 2009

List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (1 of 6) for Cadillac CTS V 2009:

• 5 volt ref 1
• 5-volt ref 1
• 5-volt ref 2
• Acc wakeup serial data
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Air conditioning system cooling fans system
• App sens 2 sig
• App sens sig
• Body control module (bcm)
• Canister vent fuse 15a
• Computer data lines system
• Ecm fuse 15a
• Ecm/tcm fuse 15a
• Engine control module (ecm) (front of right valve cover)
• Evaporative emissions (evap) canister vent solenoid valve
• Ftp sig
• Fuel level sensor
• Fuel lvl sens sig
• Fuel pump & sender assembly (in fuel tank)
• Fuel tank pressure (ftp) sensor (in fuel tank)
• Hot at all times
• Hot w/ ign 1 relay energized
• Ign 1 volt
• J400 (fuel tank harness, near inline connector x420)
• J420
• Lo ref
• Low ref
• Main rly ctrl
• Mil ctrl
• Pnk
• Rear fuse block (right rear of luggage compart)
• Rly ctrl
• Sec fuel lvl sens sig supercharger air inlet press sens sig
• Starter rly coil ctrl
• Starting/ charging system
• Stop lp sw sig
• Tan
• Underhood fuse block (right front of engine compt)
• Valve ctrl

6.2L VIN P, Engine Performance Wiring Diagram (2 of 6) for Cadillac CTS V 2009

List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (2 of 6) for Cadillac CTS V 2009:

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

6.2L VIN P, Engine Performance Wiring Diagram (3 of 6) for Cadillac CTS V 2009

List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (3 of 6) for Cadillac CTS V 2009:

• (front of right valve cover) engine control module (ecm)
• (info not available)
• 5 volt ref 1
• 5-volt ref 1
• 5-volt ref 2
• Actuator sig
• Backup lp sw sig
• Baro sens sig
• Barometric pressure (baro) sensor
• Computer data lines system
• Coolant pump ctrl
• Cooling fans system
• Data bus+
• Data bus-
• Ect sens sig
• Eng oil lvl sw sig
• Engine control module (ecm) (front of right valve cover)
• Engine coolant temperature (ect) sensor
• Engine oil temp sig
• Evap ctrl
• G132 (top right of engine)
• Generator field duty cycle signal
• Generator turn on sig
• Gnd
• Ho2s hi sig b2s1
• Ho2s hi sig b2s2
• Ho2s htr lo ctrl b2s1
• Ho2s htr lo ctrl b2s2
• Ho2s lo sig b2s1
• Ho2s lo sig b2s2
• Iat sens sig
• Intake air temperature (iat) sensor
• Lo ref
• Low ref
• Manifold absolute pressure (map) sensor
• Map sens sig
• Pnk
• Rly ctrl
• Sens sig
• Sig pos
• Skip shift sig
• Sol sig
• Starting/ charging system
• Tan
• Transmissions system
• Vehicle speed sensor (vss) (right rear of transmission)
• Vss low sig

6.2L VIN P, Engine Performance Wiring Diagram (4 of 6) for Cadillac CTS V 2009

List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (4 of 6) for Cadillac CTS V 2009:

• (in oil filter housing) engine oil pressure (eop) sensor
• (on a/c refrigerant line) a/c refrigerant pressure sensor
• (rear bumper fascia harness, near branch to inline connector x430)
• (top right of engine) g132
• Camshaft position (cmp) sensor (front of right cylinder head)
• Computer data lines system
• Crankshaft position (ckp) sensor (right side of engine)
• Engine oil level temperature sensor
• Fuel injectors (top of right cylinder bank)
• G200 (left kick panel)
• Gnd
• Ign
• Instrument panel cluster (ipc)
• J449
• J450
• Knock sensor (ks) 1 (right side of engine block)
• Knock sensor (ks) 2 (side of left cylinder bank)
• Logic
• Low speed
• Malfunction indicator lamp
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Pnk
• Primary fuel pump & sender assembly
• Secondary fuel pump & sender assembly
• Tan

6.2L VIN P, Engine Performance Wiring Diagram (5 of 6) for Cadillac CTS V 2009

List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (5 of 6) for Cadillac CTS V 2009:

• (front of right valve cover) engine control module (ecm)
• (top of right cylinder bank)
• 5 volt ref 1
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel injectors (top of left cylinder bank)
• G135
• Ho2s hi sig b1s1
• Ho2s hi sig b1s2
• Ho2s lo sig b1s1
• Ho2s lo sig b1s2
• Ic 1 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ign
• Ign 1 volt
• Ignition coil 2
• Ignition coil 4
• Ignition coil 6
• Ignition coil 8
• J135
• J149
• Ks 1 sig
• Ks 2 sig
• Low ref
• Nca
• Pnk
• Spark plug
• Supercharger air inlet pressure sensor
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Throttle body

6.2L VIN P, Engine Performance Wiring Diagram (6 of 6) for Cadillac CTS V 2009

List of elements for 6.2L VIN P, Engine Performance Wiring Diagram (6 of 6) for Cadillac CTS V 2009:

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