ENGINE PERFORMANCE – Cadillac SRX 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac SRX 2005

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac SRX 2005:

• (at left front of engine) engine oil pressure (eop) sensor
• (in engine harness, approximately 31 cm from engine control module)
• (in engine harness, approximately 37 cm from heated oxygen sensor (ho2s) bank 1 sensor 1)
• (in fuel injector harness, approximately 25 cm from fuel injector 2)
• (left rear of intake manifold) intake manifold runner control (imrc) solenoid
• (right side of engine block)
• +5v
• +5v ref
• Baro sig
• Ckp hi
• Ckp sens lo
• Cmp sig
• Cmp sol ctrl
• Crankshaft position (ckp) sensor (at lower right rear of engine)
• Drain
• Ect sig
• Engine control module (ecm) (at top front of engine)
• Engine oil level/ temperature sensor (in bottom of engine oil pan)
• Evap sol ctrl
• Fuel injectors
• G133
• Gen fdc sig
• Gen to sig
• Gnd
• Heated oxygen sensor bank 1 sensor 1 (right exhaust pipe, before catalytic converter)
• Heated oxygen sensor bank 1 sensor 2 (downstream of right catalytic converter)
• Heated oxygen sensor bank 2 sensor 1 (left exhaust pipe, before catalytic converter)
• Heated oxygen sensor bank 2 sensor 2 (downstream of left catalytic converter)
• Ho2s hi sig
• Ho2s lo ctrl
• Ho2s lo sig
• Ho2s pmp ct
• Ic 1 sig
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 sig
• Ic 5 ctrl
• Ic 6 ctrl
• Imrc sol ctrl
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Knock sensor (ks) (bank 1) (right side of engine)
• Knock sensor (ks) (bank 2) (left side of engine)
• Ks 1 sig
• Ks 2 sig
• Low ref
• Nca
• Oil lev sig
• Oil pres sig
• Oil tmp sig
• S113
• S121
• Starting/ charging system
• Tac mtr ctrl
• Tan
• Tan a
• Tp sig
• Tp2 sig

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac SRX 2005

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac SRX 2005:

• (on back corner of right cylinder head)
• (on left side of engine block)
• Canister vent fuse 10a
• Ecm/tcm fuse 10a
• Even coils fuse 15a
• Fuel pump motor relay
• G104 (at right front of engine compt)
• G108
• G109
• G111
• G112
• G402 (rear of left rear shock tower on "d" pillar)
• Hfv6 ecm fuse 15a
• Hot at all times
• Hot in acc or run
• Hot in run or start
• Ign 1 relay
• Ignition coil 1 (at top rear of right cylinder head)
• Ignition coil 2 (at top front of left cylinder head)
• Ignition coil 3 (at top center of right cylinder head)
• Ignition coil 4 (at top center of left cylinder head)
• Ignition coil 5 (at top front of right cylinder head)
• Ignition coil 6 (at top rear of left cylinder head)
• Main relay
• Nca
• Odd coils fuse 15a
• Pnk
• Post fuse 15a
• Power disribution system
• Pre02/ cam fuse 15a
• R36
• R38
• R40
• R43
• R44
• R45
• R46
• R47
• R48
• R49
• R50
• Right fuse block (near right side of rear seat, under carpet)
• S112
• S114
• S115
• S119
• S125
• S126
• S127
• S128
• Spark plug
• Tan
• Tcm/ ipc fuse 15a
• Theft fuse 7.5a
• Underhood fuse block (at right front of engine compt)

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac SRX 2005

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac SRX 2005:

• (at front of left cylinder head) camshaft position (cmp) actuator solenoid (exhaust bank 2)
• (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) actuator solenoid (exhaust bank 1)
• (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)
• (in engine harness, approximately 30 cm from engine control module)
• (in front of cylinder head) camshaft position (cmp) actuator solenoid (intake bank 1)
• (in front of cylinder head) camshaft position (cmp) actuator solenoid (intake bank 2)
• +5v
• A/c refrigerant pressure sensor (left front frame rail, near engine control module)
• Barometric pressure (baro) sensor (at left rear corner of upper intake manifold)
• Engine coolant temperature (ect) sensor (at left side of engine)
• Evap canister purge solenoid valve (at top rear of engine)
• Low ref
• Mass air flow (maf) & intake air temperature (iat) sensor (in air cleaner intake tube)
• Pnk
• S120
• Signal
• Tan
• Throttle position sensor (under left side of dash)

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac SRX 2005

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac SRX 2005:

• (at top rear of fuel tank) fuel tank pressure sensor
• (at top right of fuel tank) fuel pump & sensor assembly
• (in engine harness, approximately 25 cm from underhood fuse block)
• (in engine harness, approximately 35 cm from underhood fuse block)
• (in fuel harness, approximately 30 cm from c420)
• (in fuel injector harness, near in-line connection to engine harness)
• (over left rear wheelwell) rear parking assist (rpa) module
• +5v ref
• +5v ref a
• +5v ref c
• A/c ref pres
• Acc
• Acc volt
• Accelerator pedal position (app) sensor (under left side of dash)
• Air conditioning system
• Anti-lock brakes system
• App sens 2 sig
• App sens sig
• Automatic transmission
• Battery +
• Brk sw sig
• Cc sw sig
• Class 2 data
• Clu rly ctrl
• Computer data lines system
• Cooling fans system
• Crank volt
• Cruise control system
• Delv torque sig
• Eng spd sig
• Engine control module (ecm) (at top front of engine)
• Engine speed
• Evap canister vent solenoid valve (at vehicle underbody, above rear differential)
• Evap sol ctrl
• Exterior lights system
• Fan rly ctrl
• Fuel lev sens
• Fuel lev sig
• Fuel level sensor
• G113 (on top right of engine)
• G401 (rear of right rear shock tower on "d" pillar)
• Gmlan bus
• Ho2s hi sig
• Ho2s lo ctrl
• Ho2s lo sig
• Hot at all times
• Iat sig
• Ign 1 volt
• Ignition switch
• Instrument panel cluster (ipc)
• Lan bus +
• Lan bus -
• Lock
• Logic
• Low ref
• Maf sig
• Main rly ctrl
• Malfunction indicator lamp
• Mil ctrl
• Off
• P/n sig
• Pnk
• Req torq sig
• Right fuel level sensor
• Rly coil ctrl
• Rly coil supp
• Rly ctrl
• Run
• S102
• S108
• S109
• S117
• S409
• Ser data bus
• Sound systems
• Splice pack sp200 (under right side of dash, behind glove box)
• Start
• Starting/charging system
• Tan
• Tank pres sig
• Tc data sig
• Transmission control module (tcm) (at right front of engine compt)
• Transmission manual shift shaft switch assembly
• Vss

4.6L VIN A

4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2005

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac SRX 2005:

• (over left rear wheelwell) rear parking assist (rpa) module
• 12v ref
• 5v ref
• A/c comp cltch rly
• A/c press sens sig
• Acc
• Acc vlt
• Accelerator pedal position (app) sensor (under left side of dash)
• Air conditioning system
• Anti-lock brakes system
• Apps 1 sig
• Apps 2 sig
• Battery + vlt
• Brake sw sig
• Computer data lines system
• Cooling fans system
• Crank voltage
• Cruise control system
• Cruise sw sig
• Ecm/ tcm fuse 10a
• Electronic suspension system
• Eng speed sig
• Engine control module (ecm) (on left front frame rail, under left headlamp assembly)
• Engine speed
• Evap vent sol ctnl
• Evaporative emissions (evap) canister vent solenoid valve (at vehicle underbody, above rear differential)
• Exterior lights system
• Fan rly ctrl
• Fuel pmp rly cntl
• G104 (at right front of engine compt)
• Hi spd ser data +
• Hi spd ser data -
• Hot at all times
• Hot in acc or run
• Hot in run or start
• Iat sen sig
• Iat sig
• Ign
• Ign 1 relay
• Ign 1 vlt
• Ignition switch
• Instrument panel cluster (ipc)
• Lift/dive sig
• Lo spd cool fan rly
• Lock
• Logic
• Low ref
• Maf sen sig
• Main relay
• Main rly ctrl
• Mass air flow (maf) sensor (in air cleaner intake tube)
• Mil cntl
• Mil ind
• Off
• Pnk
• Power distribution system
• R43
• R44
• R45
• R46
• Run
• S115
• Sens sig
• Serial data
• Sound systems
• Splice pack sp200 (under right side of dash, behind glove box)
• Start
• Starting/charging system
• Stoplamp sw sig
• Strtr enable rly cntl
• Tan
• Tcm/ ipc fuse 15a
• Theft fuse 7.5a
• To v8 ecm fuse (diagram 4 of 5)
• Traction ctrl data sig
• Underhood fuse block (at right front of engine compt)
• V8 ecm fuse 10a
• Vehicle speed sig
• Vss

4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2005

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac SRX 2005:

• (at right front of engine compt)
• (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
• (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
• 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 (at top front of engine)
• From underhood b fuse block (diagram 4 of 5)
• 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)
• Manifold absolute pressure (map) sensor (at top front of engine)
• Nca
• Post 02 fuse 15a
• Pre02/ cam fuse 15a
• S113
• S114
• Tan
• Underhood fuse block

4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2005

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac SRX 2005:

• (at top right of fuel tank) fuel pump & sender assembly
• (in fuel tank assembly) fuel tank pressure (ftp) sensor
• (under vehicle, in fuel tank) right fuel level sensor
• 5v ref
• A tan
• Anti-lock brakes system
• Canister vent fuse 10a
• Ctrl actuator sig
• Delivered torque
• Engine control module (ecm) (on left front frame rail, under left headlamp assembly)
• Engine oil level switch (at bottom center of engine oil pan)
• Ftp sens sig
• Fuel lev sen sig
• Fuel level sensor
• Fuel pump
• Fuel pump motor
• Fuel pump mtr fuse 15a
• G100 (on right rear of engine)
• G401 (rear of right rear shock tower on "d" pillar)
• G402 (rear of left rear shock tower on "d" pillar)
• Ho2s hi sig b1s2
• Ho2s hi sig b2s2
• Ho2s high sig b2s1
• Ho2s htr lo cntl b1s1
• Ho2s htr lo cntl b2s1
• Ho2s htr lo cntl b2s2
• Ho2s input pmp b1s1
• Ho2s input pmp b2s1
• Ho2s lo ref b2s1
• Ho2s lo sig b1s2
• Ho2s lo sig b2s1
• Ho2s lo sig b2s2
• Ho2s output pmp b1s1
• Ho2s output pmp b2s1
• Ho2s ref vlt b2s1
• Hot at all times
• Ign 1 relay
• Low ref
• Oil lev sw sig
• Oil pressure sen sig
• R25
• R36
• R37
• R38
• R40
• Requested torque
• Right fuse block (near right side of rear seat, under carpet)
• S409 (in fuel harness, approximately 30 cm from c420)
• Tan
• Transmissions system

4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2005

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac SRX 2005:

• (1,3: at front of right cylinder head) (5,7: at rear of right cylinder head)
• (2,4: at front of left cylinder head) (6,8: at rear of
• (in ignition coil harness, approximately 30 cm from ignition coil module 7) s146
• (in ignition coil harness, approximately 31 cm from ignition coil module 8) s135
• D d
• Even coils fuse 15a
• From main a relay (diagram 1 of 5)
• Fuel injectors (at top left cylinder head)
• Fuel injectors (at top right cylinder head)
• G107 (on right rear of engine)
• Ignition coil/ module
• Left cylinder head)
• Odd coils fuse 15a
• Pnk
• Pnk a
• Red
• Red b
• S122
• S123
• S131
• S133
• S142
• S144
• Tan
• To post maf fuse (diagram 2 of 5)
• Underhood fuse block (at right front of engine compt)
• V8 ecm fuse 10a

4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2005

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac SRX 2005:

• (front of left cylinder head) camshaft position sensor exhaust bank 2 low ref
• (front of right cylinder head) camshaft position (cmp) sensor intake bank 1 low ref
• (on right rear of engine)
• (top left front of engine) camshaft position sensor intake bank 2
• (top of engine, under intake manifold) crankshaft position (ckp) sensor low ref
• (top right front of engine) camshaft position sensor exhaust bank 1 low ref
• (under left side of dash) throttle position sensor
• 12v
• 12v ref
• 5v ref
• Camshaft position (cmp) actuator solenoid exhaust bank 1 (at top right front of engine)
• Camshaft position (cmp) actuator solenoid exhaust bank 2 (at top left front of engine)
• Camshaft position (cmp) actuator solenoid intake bank 1 (in front of cylinder head)
• Camshaft position (cmp) actuator solenoid intake bank 2 (at top left front of engine)
• Ckp sen 1 sig
• Cmp act sol b1 exhst
• Cmp act sol b1 intk
• Cmp act sol b2 exhst
• Cmp act sol b2 intk
• Cmp sen sig b1 exhst
• Cmp sen sig b1 intk
• Cmp sen sig b2 exhst
• Cmp sen sig b2 intk
• Ect sen sig
• Engine control module (ecm) (on left front frame rail, under left headlamp assembly)
• Evap can prg sol cntl
• Fuel inj 1 cntl
• Fuel inj 2 cntl
• Fuel inj 3 cntl
• Fuel inj 4 cntl
• Fuel inj 5 cntl
• Fuel inj 6 cntl
• Fuel inj 7 cntl
• Fuel inj 8 cntl
• G100
• G100 (on right rear of engine)
• Gen field duty cyc sig
• Gen turn on sig
• Ground
• Ic 1 cntl
• Ic 2 cntl
• Ic 3 cntl
• Ic 4 cntl
• Ic 5 cntl
• Ic 6 cntl
• Ic 7 cntl
• Ic 8 cntl
• Knock sen 1 sig
• Knock sen 2 sig
• Knock sensor (ks) bank 1 (middle of right cylinder head, under intake manifold)
• Knock sensor (ks) bank 2 (middle of left cylinder head, under intake manifold)
• Low ref
• Map sen sig
• S110
• Sen sig
• Starting/ charging system
• Tac mtr cntl 1
• Tac mtr cntl 2
• Tan
• Tps 1 sig
• Tps 2 sig