ENGINE PERFORMANCE – Cadillac SRX 2007 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2007

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2007:

• (in engine harness, approximately
• 35 cm (13.8
• 5 volt ref
• 5 volt ref 2
• 5 volt ref 3
• Camshaft position (cmp) sensor exhaust bank 1 (at front of left cylinder head)
• Camshaft position (cmp) sensor exhaust bank 2 (at front of right cylinder head)
• Camshaft position (cmp) sensor intake bank 1 (at front of left cylinder head)
• Camshaft position (cmp) sensor intake bank 2 (at front of right cylinder head)
• Ckp sens 1 sig
• Cmp exhaust bank 1
• Cmp exhaust bank 2
• Cmp intake bank 1
• Cmp intake bank 2
• Cmp sens exhaust 1
• Cmp sens exhaust 2
• Cmp sens intake 1
• Cmp sens intake 2
• Crankshaft position (ckp) sensor (at lower right rear of engine)
• Engine control module (ecm) (left front side of engine)
• Evap canister purge
• 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 field duty
• Generator turn on sig
• Ho2s low ctrl bank 2
• Ho2s low ref bank 1
• Ho2s low ref bank 2
• Ic 1 ctrl
• Ic 3 ctrl
• Ic 5 ctrl
• Imrc solenoid ctrl
• In) from underhood fuse block connector c5) s109
• Ks 1 sig
• Ks 2 sig
• Low ref
• Oil pressure sens sig
• S108 (in engine harness, 11 cm (4.3 in) from engine control module connector c2)
• Starting/charging system
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2007

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2007:

• (at front of left cylinder head)
• (at left front of engine) engine oil pressure (eop) sensor
• (in engine harness, approximately 10 cm (4 in) from engine control module connector c2) s111
• (in front of cylinder head)
• (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, in cylinder runner)
• Camshaft position (cmp) actuator solenoid exhaust bank 1 (at front of right cylinder head)
• Camshaft position (cmp) actuator solenoid exhaust bank 2
• Camshaft position (cmp) actuator solenoid intake bank 1 (in front of cylinder head)
• Camshaft position (cmp) actuator solenoid intake bank 2
• Evaporative emissions (evap) canister purge solenoid valve (at top rear of engine)
• Fuel injector 1
• Fuel injector 3
• Fuel injector 5
• G106 (on top right side engine manifold block)
• G109 (top right rear of engine block)
• Ic 5 ctrl
• Ign 1 volt
• Ignition coil/module 5 (at top rear of right cylinder head)
• Logic
• Low ref
• Nca
• S114
• S123
• Spark plug
• Tan

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2007

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2007:

• (at vehicle underbody, above rear differential) evaporative emission (evap) canister vent solenoid valve
• (in engine poa harness, approximately 22 cm (8.7 in) from engine control module connector c2) s112
• (in fuel tank assembly) fuel tank pressure (ftp) sensor
• (in right side of fuel tank) fuel pump & sender assembly
• (under upper intake, in cylinder runner)
• (under vehicle, in fuel tank) left 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
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Ign 1 volt
• Ignition coil/module 1 (at top front of right cylinder head)
• Ignition coil/module 2 (at top front of left cylinder head)
• Ignition coil/module 3 (at top center of right cylinder head)
• Ignition coil/module 4 (at top center of left cylinder head)
• Ignition coil/module 6 (at top rear of left cylinder head)
• Logic
• Low ref
• Nca
• Right fuel level sensor
• Right rear fuse block (near right side of rear seat, under carpet)
• S102
• S103
• S119
• S409 (in fuel harness, approximately 30 cm (11.8 in) from c420)
• Spark plug
• Tan
• Vent fuse 10a

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2007

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2007:

• (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
• Emission 1 fuse 15a
• Emission 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 main relay energized
• Iat sens sig
• Ign 1
• Instrument panel cluster (ipc)
• Knock sensor (ks) 1 (at right side of engine)
• Knock sensor (ks) 2 (at left side of engine)
• Logic
• 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
• R51
• R52
• R53
• R54
• 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 2007

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2007:

• (on lower left side of dash) body control module (bcm)
• 5 volt ref
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• A/c comp clutch rly
• A/c refrigerant pressure sensor (left front frame rail, near engine control module)
• A/c refrigerant sens sig
• 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
• Batt pos volt
• Computer data lines system
• Ect sens sig
• Engine control module (ecm) (left front side of engine)
• Engine coolant temperature (ect) sensor (at left side of engine)
• Evap canister vent
• Exterior lights system
• Fuel level sens primary
• Fuel level sens secondary
• Fuel pump rly ctrl
• Fuel tank pressure sig
• G106 (on top right side engine manifold block)
• Gmlan serial bus (+)
• Gmlan serial bus (-)
• Ground
• High speed cooling fan
• Ho2s heater
• Ho2s high bank 1 sens 2
• Ho2s high bank 2 sens 2
• Ho2s low bank 1 sens 2
• Ho2s low bank 2 sens 2
• Ho2s low ctrl bank 1
• Ho2s low heater bank 2
• Ho2s ref bank 1 sens 1
• Ho2s ref bank 2 sens 1
• Hot at all times
• Iat sens sig
• Ic 2 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Ign 1 volt
• Ignition switch
• Ks 1 sig
• Ks 2 sig
• Low ref
• Low speed cooling fan
• Maf sens sig
• Main rly ctrl
• Mil ctrl
• Off
• Park/neutral sig
• Pnk
• Run
• S207
• Start
• Starter rly ctrl
• Starting/charging system
• Stop lp sw sig
• Tan
• Throttle actuator control (tac) module (at top front of engine)
• Tp sens sig 1
• Tp sens sig 2
• Transmissions system

4.6L VIN A

4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2007

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2007:

• (at top left front of engine)
• (not used)
• 5 volt ref 1
• 5 volt ref 2
• A/c compressor clutch
• Acc wake up serial
• Accelerator pedal position (app) sensor (above accelerator pedal)
• Air bag fuse 10a
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Camshaft position (cmp) actuator solenoid intake bank 2
• Cmp intake 1
• Cmp intake 2
• Cooling fans system
• Ecm 1 fuse 15a
• Ecm batt fuse 15a
• Ecm, tcm ign fuse 15a
• Emission 1 fuse 15a
• Emission 2 fuse 15a
• Engine control module (ecm) (on left front frame rail, under left headlight assembly)
• Evap canister vent
• Even coils fuse 15a
• Exterior lights system
• Fuel injector 8 ctrl
• Fuel level primary
• Fuel level secondary
• Fuel pump rly ctrl
• Fuel tank pressure
• Hi spd cooling fan
• Ho2s high sig
• Ho2s low ref
• Ho2s low sig
• Ho2s ref volt
• Hot at all times
• Hot w/ ign main relay energized
• Ic 1 ctrl
• Ign 1 volt
• Knock sensor (ks) 1 (at middle of right cylinder head, under intake manifold)
• Knock sensor (ks) 2 (at middle of left cylinder head, under intake manifold)
• Ks 1 sig
• Ks 2 sig
• Low ref
• Main rly ctrl
• Mil ctrl
• Nca
• Odd coils fuse 15a
• Pnk
• Power distribution system
• Pwr/trn relay
• R51
• R52
• R53
• R54
• S114
• Spare fuse 15a
• Starter rly ctrl
• Starting/ charging system
• Stop lp sw sig
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan
• Throttle actuator control (tac) module (at front of engine)
• Underhood fuse block (at right front of engine compt)

4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2007

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2007:

• (at vehicle underbody, above rear differential) evaporative emission (evap) canister vent solenoid valve
• (in fuel tank assembly) fuel tank pressure sensor
• (in right side of fuel tank) fuel pump & sender assembly
• (on lower left side of dash) body control module (bcm)
• (under vehicle, in fuel tank) left fuel level sensor
• Acc
• Canister vent fuse 10a
• Computer data lines system
• Fuel pump
• G107 (on right rear of cylinder head)
• G401 (rear of right rear shock tower on "d" pillar)
• Gmlan
• Hot at all times
• Ic 1 ctrl
• Ic 3 ctrl
• Ic 5 ctrl
• Ic 7 ctrl
• Ign 1
• Ign 1 volt
• Ignition coil/module 1 (at top front of right cylinder head)
• Ignition coil/module 3 (at top center of right cylinder head)
• Ignition coil/module 5 (at top center of right cylinder head)
• Ignition coil/module 7 (at top rear of right cylinder head)
• Ignition switch
• Instrument panel cluster (ipc)
• Logic
• Low ref
• Malfu- nction ind lamp
• Nca
• Off/ lock
• Pnk
• Pnk a
• Pnk b
• Right fuel level sensor
• Right rear fuse block (near right side of rear seat, under carpet)
• Run
• S142
• S144
• S146 (in ignition coil harness, approximately 30 cm (11.8 in) from ignition coil module 7)
• S207
• S409 (in fuel harness, approximately 30 cm (11.8 in) from c420)
• Spark plug
• Start
• Tan
• Tan c

4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2007

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2007:

• (at front of left cylinder head) camshaft position (cmp) sensor exhaust bank 2
• (at front of left cylinder head) camshaft position (cmp) sensor intake bank 2
• (at front of right cylinder head) camshaft position (cmp) sensor exhaust bank 1
• (at front of right cylinder head) camshaft position (cmp) sensor intake bank 1
• Camshaft position (cmp) actuator solenoid exhaust bank 1 (at top right front of engine)
• Camshaft position (cmp) actuator solenoid intake bank 1 (in front of cylinder head)
• Fuel pump fuse 15a
• Fuel pump relay
• G104 (right body rail, behind washer reservoir)
• G107 (on right rear of cylinder head)
• Hot at all times
• Ic 2 ctrl
• Ic 4 ctrl
• Ic 6 ctrl
• Ic 8 ctrl
• Ign 1 volt
• Ignition coil/ module 8 (at top rear of left cylinder head)
• Ignition coil/module 2 (at top front of left cylinder head)
• Ignition coil/module 4 (at top center of left cylinder head)
• Ignition coil/module 6 (at top center of left cylinder head)
• Logic
• Low ref
• Nca
• Pnk
• Pnk a
• Red
• Red b
• S131
• S133
• S135 (in ignition coil harness, approximately 31 cm (12.2 in) from ignition coil module 8)
• 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 2007

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2007:

• (in air cleaner intake tube) mass air flow (maf) sensor
• (top left center of engine) fuel injector 4
• (top left center of engine) fuel injector 6
• (top left front of engine) fuel injector 2
• (top left rear of engine) fuel injector 8
• (top right center of engine) fuel injector 3
• (top right center of engine) fuel injector 5
• (top right front of engine) fuel injector 1
• (top right rear of engine) fuel injector 7
• 12 volt ref
• 12v ref
• 5 volt ref
• 5 volt ref 1
• Ckp sens 1 sig
• Cmp exhaust 1
• Cmp exhaust 2
• Cmp sens exhaust 1
• Cmp sens exhaust 2
• Cmp sens intake 1
• Cmp sens intake 2
• Engine control module (ecm) (on left front frame rail, under left headlight assembly)
• Fuel injector 1 ctrl
• Fuel injector 2 ctrl
• Fuel injector 3 ctrl
• Fuel injector 4 ctrl
• Fuel injector 5 ctrl
• Fuel injector 6 ctrl
• Fuel injector 7 ctrl
• G100 (on right rear of engine)
• Gnd
• Ground
• Ho2s heater
• 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 1 volt
• Low ref
• Maf sens sig
• Oil preesure sens sig
• Pnk
• Red
• S115
• S122
• S123
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2007

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2007:

• (at top left front of engine) camshaft position (cmp) actuator solenoid exhaust bank 2
• (on right rear of engine) g100
• 5 volt ref
• 5 volt ref 2
• A tan
• A/c refrigerant pressure
• A/c refrigerant pressure sensor (left front frame rail, near engine control module)
• Computer data lines system
• Cooling fans system
• Crankshaft position (ckp) sensor (at top of engine, 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)
• Evap canister purge ctrl
• Evaporative emissions (evap) canister purge solenoid valve (at top front of engine)
• Generator field duty cycle
• Generator turn on sig
• Gmlan serial data bus (+)
• Gmlan serial data bus (-)
• Ground
• 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)
• Ho2s heater
• Ho2s high sig
• Ho2s low ref
• Ho2s low sig
• Ho2s ref volt
• Low ref
• Low spd cooling fan
• Manifold absolute pressure (map) sensor (at top front of engine)
• Map sens sig
• Nca
• Park/neutral
• S115
• Starting/ charging system
• Tan
• Transmissions system