ENGINE PERFORMANCE – Cadillac SRX 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2008

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2008:

• (in engine harness, 35 cm from underhood fuse block connector x5) j109
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• Camshaft position (cmp) sensor exhaust bank 1 (in left side of cylinder head front)
• Camshaft position (cmp) sensor exhaust bank 2 (in right side of cylinder head front)
• Camshaft position (cmp) sensor intake bank 1 (in left side of cylinder head front)
• Camshaft position (cmp) sensor intake bank 2 (in right side of cylinder head front)
• Ckp sens 1 sig
• Cmp exhaust bank 1
• Cmp exhaust bank 2
• Cmp intake bank 1
• Cmp intake bank 2
• Crankshaft position (ckp) sensor (on left side of engine block)
• Duty cycle sig
• Engine control module (ecm) (mounted on engine right valve cover)
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Generator turn on sig
• Ic 1 ctrl
• Ic 3 ctrl
• Ic 5 ctrl
• Imtv ctrl sig
• J108 (in engine harness, 11 cm from ecm connector x2)
• Ks 1 sig
• Ks 2 sig
• Low ctrl bank 2 sens 1
• Low ref
• Low ref bank 1 sens 1
• Oil pressure sens sig
• Purge sol ctrl
• Ref volt bank 2 sens 1
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2008

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2008:

• (in engine harness, 10 cm from ecm connector x2) j111
• (in left side of cylinder head front)
• (left side of engine in oil filter housing) engine oil pressure (eop) sensor
• (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
• (on left rear of intake manifold) intake manifold runner control (imrc) solenoid
• (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
• (under upper intake)
• Camshaft position (cmp) actuator solenoid exhaust bank 1 (in right side of cylinder head front)
• Camshaft position (cmp) actuator solenoid exhaust bank 2 (in left side of cylinder head front)
• Camshaft position (cmp) actuator solenoid intake bank 1 (in right side of cylinder head front)
• Camshaft position (cmp) actuator solenoid intake bank 2
• Evaporative emission (evap) canister purge solenoid valve (on right side of engine, near valve cover)
• Fuel injector 1
• Fuel injector 3
• Fuel injector 5
• G106 (on top right side engine manifold block)
• G109 (top right rear of engine block)
• Ignition coil 5 (in right cylinder head, at 5 cylinder)
• J114
• J123
• Nca
• Spark plug
• Tan

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2008

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2008:

• (at vehicle underbody, above rear differential) evaporative emission (evap) canister vent solenoid valve
• (in engine poa harness, 22 cm from engine control module connector x2) j112
• (in fuel tank assembly) fuel tank pressure (ftp) sensor
• (in right side of fuel tank) fuel pump & sender assembly
• (under upper intake)
• (under vehicle, in left side of fuel tank) secondary fuel level sensor
• Canister
• Cylinder head)
• Fuel injector 2
• Fuel injector 4
• Fuel injector 6
• Fuel pump
• G109 (top right rear of engine block)
• G111 (right side of
• G401 (rear of right rear shock tower on "d" pillar)
• Hot at all times
• Ignition coil 1 (in right cylinder head, at 1 cylinder)
• Ignition coil 2 (in left cylinder head, at 2 cylinder)
• Ignition coil 3 (in right cylinder head, at 3 cylinder)
• Ignition coil 4 (in left cylinder head, at 4 cylinder)
• Ignition coil 6 (in left cylinder head, at 6 cylinder)
• J102
• J103
• J119
• J409 (in fuel harness, 30 cm from x420)
• Nca
• Right fuel level sensor
• Right rear fuse block (near right side of rear seat, under carpet)
• Spark plug
• Tan
• Vent fuse 10a

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2008

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2008:

• (not used)
• (on top right side engine manifold block) g106
• Air bag fuse 10a
• Computer data lines system
• Ecm batt fuse 15a
• Ecm fuse 15a
• Ecm/ tcm ign fuse 15a
• Emis 1 fuse 15a
• Emis 2 fuse 15a
• Even coils fuse 15a
• Fuel pump fuse 15a
• Fuel pump relay
• G104 (right body rail, behind washer reservoir)
• Gmlan
• Gnd
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (downstream of right catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 2 (downstream of left catalytic converter)
• Hot at all times
• Hot w/ ign relay energized
• Iat sens sig
• Ign
• Instrument panel cluster (ipc)
• Knock sensor (ks) bank 1 (on right side of engine block)
• Knock sensor (ks) bank 2 (on left side of engine block)
• Logic
• Low engine oil pressure ind
• Low ref
• Maf sens sig
• Malfunction indicator lamp
• Mass air flow (maf) sensor (in air cleaner intake tube)
• Nca
• Odd coils fuse 15a
• Pnk
• Power distribution system
• Pwr/trn relay
• Spare fuse 15a
• Tan
• Tan a
• Underhood fuse block (at right front of engine compt)
• Volt ref

3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2008

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2008:

• (on lower left side of dash) body control module
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• A/c comp clutch rly ctrl
• A/c refrigerant pressure sensor (left front frame rail, near engine control module)
• Acc
• Acc wakeup serial data
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Air conditioning system cooling fans system
• App sens 1 sig
• App sens 2 sig
• Canister vent sol ctrl
• Computer data lines system
• Ect sens sig
• Engine control module (ecm) (mounted on engine right valve cover)
• Engine coolant temperature (ect) sensor (in left cylinder head, near center cylinder)
• Exterior lights system
• Fuel pump rly ctrl
• G106 (on top right side engine manifold block)
• Gmlan serial data bus +
• Gmlan serial data bus -
• Gnd
• Hi speed cooling fan ctrl
• Hot at all times
• Iat sens sig
• Ic 2 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Ign volt
• Ignition switch
• J207
• Ks 1 sig
• Ks 2 sig
• Lo speed cooling fan ctrl
• Low ctrl bank 1 sens 1
• Low ctrl bank 2 sens 1
• Low ctrl bank 2 sens 2
• Low ref
• Low ref bank 1 sens 1
• Low ref bank 1 sens 2
• Low ref bank 2 sens 2
• Maf sens sig
• Main rly ctrl
• Mil ctrl
• Off
• Park/neutral sig
• Pnk
• Pressure sens sig
• Primary fuel level sens
• Ref volt bank 1 sens 1
• Ref volt bank 1 sens 2
• Ref volt bank 2 sens 2
• Run
• Secondary fuel level sens
• Start
• Starter rly coil ctrl
• Starting/charging system
• Stop lp sw sig
• Tan
• Throttle actuator control (tac) module (at top front of engine)
• Tp sens 1 sig
• Tp sens 2 sig
• Transmissions system

4.6L VIN A

4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2008

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2008:

• (not used)
• 5 volt ref 1
• 5 volt ref 2
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Air bag fuse 10a
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Cam phaser 2 ctrl
• Cam phaser 4 ctrl
• Camshaft position (cmp) actuator solenoid intake bank 2 (in left side of cylinder head front)
• Clutch rly ctrl
• Cooling fan rly ctrl
• Cooling fans system
• Ecm 1 fuse 15a
• Ecm batt fuse 15a
• Ecm/ tcm ign fuse 15a
• Emis 1 fuse 15a
• Emis 2 fuse 15a
• Engine control module (ecm) (on left front frame rail, under left headlight assembly)
• Even coils fuse 15a
• Exterior lights system
• Fuel inj 8 ctrl
• Fuel level sens sig
• Fuel pump rly ctrl
• Ho2s low sig
• Hot at all times
• Hot w/ ign relay energized
• Ic 1 ctrl
• Ign volt
• J114
• Knock sensor (ks) bank 1 (under intake manifold, on right side of engine block)
• Knock sensor (ks) bank 2 (under intake manifold, on left side of engine block)
• Ks 1 sig
• Ks 2 sig
• Low ref
• Low ref bank 1 sens 1
• Main rly ctrl
• Mil ctrl
• Nca
• Odd coils fuse 15a
• Pnk
• Power distribution system
• Pressure sens sig
• Pwr/trn relay
• Ref volt bank 1 sens 1
• Ref volt bank 1 sens 2
• Spare fuse 15a
• Starter rly coil ctrl
• Starting/ charging system
• Stop lp sw sig
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Throttle actuator control (tac) module (at front of engine)
• Underhood fuse block (at right front of engine compt)
• Vent sol ctrl
• Wake up serial data

4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2008

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2008:

• (at vehicle underbody, above rear differential) evaporative emission (evap) canister vent solenoid valve
• (in fuel tank assembly) fuel tank pressure (ftp) sensor
• (in right side of fuel tank) fuel pump & sender assembly
• (on lower left side of dash) body control module
• (under vehicle, in left side of fuel tank) secondary fuel level sensor
• Acc
• Canister vent fuse 10a
• Computer data lines system
• Fuel pump
• G107 (rear of right cylinder head)
• G401 (rear of right rear shock tower on "d" pillar)
• Gmlan
• Hot at all times
• Ign
• Ignition coil/module 1 (on top right side of engine cylinder 1)
• Ignition coil/module 3 (on top right side of engine cylinder 3)
• Ignition coil/module 5 (on top right side of engine cylinder 5)
• Ignition coil/module 7 (on top left side of engine cylinder 7)
• Ignition switch
• Instrument panel cluster (ipc)
• J142
• J144
• J146 (in ignition coil harness, 30 cm from ignition coil module 7 connector)
• J207
• J409 (in fuel harness, 30 cm from x420)
• Logic
• Low engine oil pressure ind
• Malfu- nction ind lamp
• Nca
• Off
• Pnk
• Pnk a
• Pnk b
• Right fuel level sensor
• Right rear fuse block (near right side of rear seat, under carpet)
• Run
• Spark plug
• Start
• Tan
• Tan c

4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2008

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2008:

• (in left side of cylinder head front) camshaft position (cmp) sensor exhaust bank 2
• (in left side of cylinder head front) camshaft position (cmp) sensor intake bank 2
• (in right side of cylinder head front) camshaft position (cmp) sensor exhaust bank 1
• (in right side of cylinder head front) camshaft position (cmp) sensor intake bank 1
• Camshaft position (cmp) actuator solenoid exhaust bank 1 (in right side of cylinder head front)
• Camshaft position (cmp) actuator solenoid intake bank 1 (in right side of cylinder head front)
• Fuel pump fuse 15a
• Fuel pump relay
• G104 (right body rail, behind washer reservoir)
• G107 (rear of right cylinder head)
• Hot at all times
• Ignition coil/module 2 (on top left side of engine cylinder 2)
• Ignition coil/module 4 (on top left side of engine cylinder 4)
• Ignition coil/module 6 (on top left side of engine cylinder 6)
• Ignition coil/module 8 (on top right side of engine cylinder 8)
• J131
• J133
• J135 (in ignition coil harness, 31 cm from ignition coil module 8 connector)
• Nca
• Pnk
• Pnk a
• Red
• Red b
• Spark plug
• Tan
• Tan c
• Underhood fuse block (at right front of engine compt)

4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2008

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2008:

• (in air cleaner intake tube) mass air flow (maf) sensor
• (on top of engine, in intake manifold) fuel injectors
• 5 volt ref 1
• Cam phaser 3 ctrl
• Cam phaser ctrl
• Camshaft cam w gnd
• Camshaft cam w sig
• Camshaft cam w sply
• Camshaft cam x gnd
• Camshaft cam x sig
• Camshaft cam x sply
• Camshaft cam y gnd
• Camshaft cam y sig
• Camshaft cam y sply
• Camshaft cam z gnd
• Camshaft cam z sig
• Camshaft cam z sply
• Ctrl bank 1 sens 1
• Ctrl bank 2 sens 1
• Engine control module (ecm) (on left front frame rail, under left headlight 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
• G100 (on right rear of engine, on cylinder head)
• G100 (on right rear of engine,on cylinder head)
• Gnd
• Iat sens sig
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ign volt
• J115
• J122
• J123
• Low ref
• Maf sens sig
• Oil pressure sens sig
• Pnk
• Red
• Sens sig
• Sens volt
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2008

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2008:

• (in left side of cylinder head front) camshaft position (cmp) actuator solenoid exhaust bank 2
• (on right rear of engine,on cylinder head) g100
• 5 volt ref
• A tan
• A/c refrigerant pressure sensor (left front frame rail, near engine control module)
• Computer data lines system
• Cooling fan rly ctrl
• Cooling fans system
• Crankshaft position (ckp) sensor (at center of engine block, under intake manifold)
• Ect sens sig
• Engine control module (ecm) (on left front frame rail, under left headlight assembly)
• Engine coolant temperature (ect) sensor (at rear of right cylinder head)
• Engine oil pressure (eop) sensor (at left side of engine)
• Evaporative emission (evap) canister purge solenoid valve (in back of throttle body, center front of engine)
• Field duty cycle sig
• Generator turn on sig
• Gmlan serial data bus +
• Gmlan serial data bus -
• Gnd
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust pipe, before catalytic converter)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (downstream of right catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (on left exhaust pipe, before catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 2 (downstream of left catalytic converter)
• J115
• Low ctrl bank 2 sens 1
• Low ctrl bank 2 sens 2
• Low ref
• Low ref bank 2 sens 1
• Low ref bank 2 sens 2
• Manifold absolute pressure (map) sensor (at top front of engine)
• Map sens sig
• Nca
• Park/neutral sig
• Pressure sens sig
• Purge sol ctrl
• Ref volt bank 2 sens 1
• Ref volt bank 2 sens 2
• Starting/ charging system
• Tan
• Transmissions system