ENGINE PERFORMANCE – Cadillac CTS V 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.2L VIN N

3.2L VIN N, Engine Performance Wiring Diagram (1 of 3) for Cadillac CTS V 2004

List of elements for 3.2L VIN N, Engine Performance Wiring Diagram (1 of 3) for Cadillac CTS V 2004:

• (in engine harness, 120 cm from ho2s 21)
• (in fuel injector harness, near c112)
• (left rear of intake plenum) intake manifold runner control solenoid
• (near ignition coils)
• +5v ref
• Case ground
• Ckp hi
• Ckp low
• Cmp sig
• Coil 1 ctrl
• Coil 2 ctrl
• Coil 3 ctrl
• Coil 4 ctrl
• Coil 5 ctrl
• Coil 6 ctrl
• Crankshaft position sensor
• Dk red/
• Ect sens
• Elec- tronic ignition module (bank 2)
• Electronic ignition module (bank 1)
• Engine control module (front of right valve cover)
• Evap purge
• Fuel inj 1
• Fuel inj 2
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• G100 (near starter motor)
• G107
• Heated oxygen sensor bank 1 sensor 1 (on right exhaust pipe)
• Heated oxygen sensor bank 1 sensor 2 (on right catalytic converter)
• Heated oxygen sensor bank 2 sensor 1 (on left exhaust pipe)
• Heated oxygen sensor bank 2 sensor 2 (on left catalytic converter)
• Ho2s 1,1 htr
• Ho2s 1,1 low
• Ho2s 1,1 sig
• Ho2s 1,2 hi
• Ho2s 1,2 htr
• Ho2s 1,2 lo
• Ho2s 2,1 htr
• Ho2s 2,1 low
• Ho2s 2,1 sig
• Ho2s 2,2 hi
• Ho2s 2,2 lo
• Iat sig
• Inj 3 ctrl
• Intk out 1
• Intk out 2
• Knock sensor (bank 1) (right side of engine)
• Knock sensor (bank 2) (left side of engine)
• Ks1 sig
• Ks2 sig
• Lo ref
• Low ref
• Maf sig
• Mass airflow sensor (right side of air cleaner)
• Nca
• Oil pres sig
• Pnk
• S108
• S111
• Shld ground
• Tac mtr ctrl
• Tan
• Tan/red
• To spark plugs
• Tps sens 1
• Tps sens 2

3.2L VIN N, Engine Performance Wiring Diagram (2 of 3) for Cadillac CTS V 2004

List of elements for 3.2L VIN N, Engine Performance Wiring Diagram (2 of 3) for Cadillac CTS V 2004:

• (in front of underhood fuse box)
• Camshaft position sensor (left front of engine)
• Canister vent fuse 10a
• Ecm fuse 15a
• Ecm/tcm fuse 10a
• Engine coolant temperature sensor (top rear of intake manifold)
• Engine oil pressure sensor (aboe oil filter)
• Evap canister purge solenoid (right side of engine)
• Even inj/ coil fuse 15a
• Fuel pump relay
• Fuse a 15a
• G100 (near starter motor)
• G104 (near right head- lamp)
• G401 (rear of right shock tower)
• Hot at all times
• Hot in run or start
• Ign 1 relay
• Ign mod/ maf fuse 15a
• Intake manifold tuning valve solenoid (rear side of intake duct)
• Main relay
• Odd inj/ coil fuse 15a
• Pnk
• Post fuse 15a
• Pre 02/ cam fuse 15a
• R36
• R37
• R38
• R40
• R43
• R44
• R45
• R46
• R47
• R48
• R49
• R50
• Right rear fuse block (below right rear seat)
• S132
• Sp102
• Tan
• Tcm/ ipc fuse 15a
• Theft fuse 7.5a
• Throttle position sensor (top right front of engine)
• Tos fuse 10a
• Under- hood fuse block (left front of eng compt)
• Vehicle speed sensor (m/t) (near rear of transmission assembly)

3.2L VIN N, Engine Performance Wiring Diagram (3 of 3) for Cadillac CTS V 2004

List of elements for 3.2L VIN N, Engine Performance Wiring Diagram (3 of 3) for Cadillac CTS V 2004:

• (engine harn, 160 cm from ecm ground)
• (in rear compt lid harn, 237 cm from c401)
• +5v ref
• 1786 (or 1035)
• 2000 ser dat
• A/c pres
• A/c rly ctrl
• A/c system
• A/t
• Acc
• Acc volt
• Accelerator pedal
• Anti-lock brakes system
• App 2 sig
• App sens1
• Automatic transmission manual shift shaft switch assembly
• Bas rly ctrl
• Battery
• Charging system
• Class 2 data
• Computer data lines system
• Cooling fans system
• Cpp sw sig
• Crank
• Cruise control system
• Data bus
• Data link connector (under left side of dash)
• Del tor sig
• Eng spd sig
• Engine control module (front of right valve cover)
• Engine speed
• Evap canister vent solenoid (above rear differential)
• Evap ctrl
• Ext brk sig
• F lev sig
• Fuel lev sns
• Fuel level sensor
• Fuel pump/ sender assembly
• Fuel tank pressure sensor (in fuel tank)
• G100 (near starter motor)
• G401 (rear of right shock tower)
• Gen on sig
• Gen signal
• Gmlan data
• Hot at all times
• Ign 1
• Ign 1 volt
• Ign voltage
• Ignition switch
• Instrument panel cluster
• Lan bus +
• Lan bus -
• Logic
• Low red
• Low ref
• M/t
• Main rly ctrl
• Malfunction indicator lamp
• Mil ctrl
• Off/ lock
• P/n sig
• Pnk
• Position sensor (above accelerator pedal)
• Req torq
• Res/accel
• Rly coil ctrl
• Rly ctrl
• Run
• S114
• S400
• Secondary fuel sender assembly
• Ser data
• Sound system
• Sp102 (in front of underhood fuse box)
• Start
• Starting system
• Tan
• Tnk pres sig
• Trac ctrl
• Transmission control module (right front side of engine compt)
• Vss
• Vss signal

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac CTS V 2004

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac CTS V 2004:

• (engine harn, 20 cm from c1 conn of pcm)
• (inj harn, 10 cm from c121)
• (left rear of intake plenum) intake manifold runner control solenoid
• +5v
• +5v ref
• Baro sig
• Charging system
• Ckp hi
• Ckp sens lo
• Cmp sig
• Cmp sol ctrl
• Crankshaft position sensor
• Drain
• Ect sig
• Engine control module (front of right valve cover)
• Engine oil level/temperature sensor (in oil pan)
• Engine oil pressure sensor (in oil filter housing)
• Evap sol ctrl
• Fuel injectors
• G133 (right front of engine)
• Gen fdc sig
• Gen to sig
• Heated oxygen sensor bank 1 sensor 1 (on right exhaust pipe)
• Heated oxygen sensor bank 1 sensor 2 (on right catalytic converter)
• Heated oxygen sensor bank 2 sensor 1 (on left exhaust pipe)
• Heated oxygen sensor bank 2 sensor 2 (on 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 (bank 1) (right side of engine)
• Knock sensor (bank 2) (left side of engine)
• Ks 1 sig
• Ks 2 sig
• Low ref
• Nca
• Oil lev sig
• Oil pres sig
• Oil tmp sig
• Pnk
• S140
• Tac mtr ctrl
• Tan
• Tan a
• Tp sig
• Tp2 sig

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac CTS V 2004

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac CTS V 2004:

• (engine harn 24.5 cm from ect sensor)
• (engine harn, 15 cm from coil 1)
• (engine harn, 15 cm from coil 5)
• (left rear of eng)
• Canister vent fuse 10a
• Ecm fuse 15a
• Ecm/tcm fuse 10a
• Even inj/ coil fuse 15a
• Fuel pump relay
• Fuse a 15a
• G104 (near right head- lamp)
• G130 (rear of right cyl head)
• G131
• G401 (rear of right shock tower)
• Hot at all times
• Hot in run or start
• Ign 1 relay
• Ign mod/ maf fuse 15a
• Ignition coil 1 (top right of engine)
• Ignition coil 2 (top left of engine)
• Ignition coil 3 (top right of engine)
• Ignition coil 4 (top left of engine)
• Ignition coil 5 (top right of engine)
• Ignition coil 6 (top left of engine)
• Main relay
• Nca
• Odd inj/ coil fuse 15a
• Pnk
• Post fuse 15a
• Pre 02/ cam fuse 15a
• R36
• R37
• R38
• R40
• R43
• R44
• R45
• R46
• R47
• R48
• R49
• R50
• Right rear fuse block (below right rear seat)
• S142
• S144
• S145
• S146
• S149
• S150
• Spark plug
• Tan
• Tcm/ ipc fuse 15a
• Theft fuse 7.5a
• Under- hood fuse block (left front of eng compt)

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac CTS V 2004

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac CTS V 2004:

• (front of left cyl head) camshaft position actuator solenoid (exhaust bank 2)
• (front of left cyl head) camshaft position actuator solenoid (intake bank 2)
• (front of left cyl head) camshaft position sensor (exhaust bank 1)
• (front of left cyl head) camshaft position sensor (intake bank 2)
• (front of right cyl head) camshaft position actuator solenoid (exhaust bank 1)
• (front of right cyl head) camshaft position actuator solenoid (intake bank 1)
• (front of right cyl head) camshaft position sensor (exhaust bank 1)
• (front of right cyl head) camshaft position sensor (intake bank 1)
• +5v
• A/c refrigerant pressure sensor (near left front strut tower)
• Barometric pressure sensor (top rear of engine)
• Engine coolant temperature sensor (top rear of intake manifold)
• Evap canister purge solenoid (right side of engine)
• Low ref
• Mass airflow sensor (right side of air cleaner)
• Pnk
• S148
• Signal
• Tan
• Throttle position sensor (top right front of engine)

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac CTS V 2004

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac CTS V 2004:

• (front of right cyl head)
• (fuel tank harn, 40 cm from c420)
• +5v ref
• +5v ref a
• +5v ref c
• A/c ref pres
• A/c system
• Acc
• Acc volt
• Accelerator pedal
• Anti-lock brake system
• App sens 2 sig
• App sens sig
• Automatic transmission manual shift shaft switch assembly
• 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 (front of right valve cover)
• Engine speed
• Evap canister vent solenoid (above rear differential)
• Evap sol ctrl
• Fan rly ctrl
• Fuel lev sens
• Fuel lev sig
• Fuel level sensor
• Fuel pump/ sender assembly
• Fuel tank pressure sensor (in fuel tank)
• G132
• G401 (rear of right shock tower)
• 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
• Lan bus +
• Lan bus -
• Logic
• Low ref
• Maf sig
• Main rly ctrl
• Malfunction indicator lamp
• Mil ctrl
• Off/ lock
• P/n sig
• Pnk
• Position sensor (above accelerator pedal)
• Req torq sig
• Rly coil ctrl
• Rly coil supp
• Rly ctrl
• Run
• S156
• S400
• Secondary fuel sender assembly
• Ser data bus
• Sound system
• Sp102 (in front of underhood fuse box)
• Start
• Starting system
• Tan
• Tank pres sig
• Tc data sig
• Transmission control module (right front side of engine compt)
• Vss

5.7L VIN P

5.7L VIN P, Engine Performance Wiring Diagram (1 of 4) for Cadillac CTS V 2004

List of elements for 5.7L VIN P, Engine Performance Wiring Diagram (1 of 4) for Cadillac CTS V 2004:

• (center of eng, below intake manifold)
• (engine harn, 15.5 cm from c101)
• (engine harn, 20 cm from underhood fuse block breakout)
• (rear of left cyl head)
• +5v ref a
• +5v ref b
• 5v ref
• Acc voltage
• Anti-lock brake system
• Ckp sen b+
• Ckp sen sig
• Cmp sen sig
• Computer data lines system
• Cooling fans system
• Cpp sw sig
• Ect sen sig
• Eng cool fan rly 1 ctrl
• Engine coolant temperature sensor (left side of of eng, below generator)
• Extended travel brake sw
• Fuel inj n04 ctrl
• Fuel inj n06
• Fuel inj n07 ctrl
• Fuel inj no1
• Fuel inj no2 ctrl
• Fuel inj no3 ctrl
• Fuel inj no5 ctrl
• Fuel inj no8 ctrl
• Fuel injectors
• G140
• G141 (rear of left cylinder head)
• G142 (rear of right cylinder head)
• Ground
• Heated oxygen sensor, bank 1 sensor 1 (forward of catalytic converter)
• Heated oxygen sensor, bank 1 sensor 2 (rear of catalytic converter)
• Heated oxygen sensor, bank 2 sensor 1 (forward of catalytic converter)
• Heated oxygen sensor, bank 2 sensor 2 (rear of catalytic converter)
• Ho2s sig hi bank 1 sen1
• Ho2s sig hi bank1 sen1
• Ho2s sig hi bank2 sen1
• Ho2s sig hi bank2 sen2
• Ho2s sig lo bank1 sen1
• Ho2s sig lo bank1 sen2
• Ho2s sig lo bank2 sen1
• Ho2s sig lo bank2 sen2
• Knock sen sig 1
• Knock sen sig 2
• Knock sensor
• Low oil level sw sig
• Low ref
• Nca
• Pcm gnd
• Pnk
• Powertrain control module (behind right front fender)
• Request torque sig
• Rly coil ctrl
• S160
• S161
• S162
• S169
• S170
• Serial data
• Skip shift sol ctrl
• Starting system
• Tan
• Tan a
• Uart serial data

5.7L VIN P, Engine Performance Wiring Diagram (2 of 4) for Cadillac CTS V 2004

List of elements for 5.7L VIN P, Engine Performance Wiring Diagram (2 of 4) for Cadillac CTS V 2004:

• (rear compt lid harn, 237 cm from c401)
• (rear of right shock tower) g401
• Canister vent fuse 10a
• Ecm/tcm fuse 10a
• Evaporative emission canister purge solenoid valve (top left side of eng, on intake manifold)
• Even inj/ coil fuse 15a
• Fuel level sensor
• Fuel pump motor fuse 20a r37
• Fuel pump relay
• Fuel pump/ sender assembly
• G104 (near right head- lamp)
• G401 (rear of right shock tower)
• Hot at all times
• Hot in run or start
• Ign 1 relay
• Ign mod/ maf fuse 15a
• Main relay
• Manifold absolute pressure sensor (on top rear of intake manifold)
• Odd inj/ coil fuse 15a
• Pnk
• Post fuse 15a
• Pre 02/ cam fuse 15a
• R36
• R38
• R40
• R43
• R44
• R45
• R46
• R47
• R48
• R49
• R50
• Right rear fuse block (below right rear seat)
• S400
• Secondary fuel sender assembly
• Sp102 (right front corner of engine compt)
• Tan
• Tcm/ ipc fuse 15a
• Theft fuse 7.5a
• Tos fuse 10a
• Transmission fluid temperature sensor (in transmission)
• Under- hood fuse block (left front of eng compt)

5.7L VIN P, Engine Performance Wiring Diagram (3 of 4) for Cadillac CTS V 2004

List of elements for 5.7L VIN P, Engine Performance Wiring Diagram (3 of 4) for Cadillac CTS V 2004:

• (attached to pcm below battery) throttle actuator control module
• (ign coil module, on left valve cover)
• (lower right side of eng) crankshaft position sensor
• (on left side of throttle body) throttle actuator control motor
• (on left side of transmission) reverse lockout solenoid
• (on right side of throttle body) throttle position sensor
• (on top of accelerator pedal, part of mounting bracket) accelerator pedal position sensor
• (rear of right cylinder head)
• (top center rear of eng) camshaft position sensor
• (under vehicle, on left side of transmission) skip shift solenoid
• +5v ref
• 5v ref
• A/c refrigerant pressure sensor (near left front strut tower)
• Anti-lock brake system
• App no1 sig
• App no2 sig
• App no3 sig
• Bas rly supp
• Cruise control system
• Engine oil level/temper- ature sensor (in oil pan)
• Engine oil pressure sensor (on top center rear of eng)
• G141 (rear of left cylinder head)
• G142
• G142 (rear of right cylinder head)
• Gnd
• Ign
• Ign 1
• Ignition coil/module 1 (top of cylinder)
• Ignition coil/module 3 (top of cylinder)
• Ignition coil/module 5 (top of cylinder)
• Ignition coil/module 7 (top of cylinder)
• Low ref
• On/off sig
• Plug spark
• Pnk
• Red
• Red c ign ctrl
• Ref lo
• Res/acc sig
• S163
• S165
• S167
• Set/coast sig
• Spark plug
• Tac ctrl no1
• Tac ctrl no2
• Tan
• Tan a
• Tps no1 sig
• Tps no2 sig
• Uart ser data

5.7L VIN P, Engine Performance Wiring Diagram (4 of 4) for Cadillac CTS V 2004

List of elements for 5.7L VIN P, Engine Performance Wiring Diagram (4 of 4) for Cadillac CTS V 2004:

• (ign coil module, on left valve cover)
• (inside right rear wheelhouse panel) evaporative emission canister vent solenoid valve
• (on air intake assembly) mass air flow sensor
• (on right of differential) vehicle speed sensor
• +12v ref
• A gnd
• A tan
• A/c clutch rly ctrl
• A/c refrig press sen sig
• A/c system
• Acc
• Alt term l
• Anti-lock brake system
• B ref lo
• Charging system
• Cooling fans system
• Crank voltage
• D ign
• D pnk
• Eng oil press sen sig
• Eng speed (tach) out sig
• Engine speed
• Evap can purge sol ctrl
• Evap can vent valve ctrl
• Fuel level sen sig
• Fuel levl sen sig (second)
• Fuel pump rly ctrl
• Fuel tank press sen sig
• Fuel tank pressure sensor (in right fuel tank)
• G140 (rear of left cyl head)
• G142 (rear of right cylinder head)
• Gen field duty sig
• Ground
• Hi spd fan rly ctrl
• Ho2s htr low ctrl
• Hot at all times
• Iat sen sig
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign ctrl 5
• Ign ctrl 6
• Ign ctrl 7
• Ign ctrl 8
• Ignition coil/ module 2 (top of cylinder)
• Ignition coil/ module 4 (top of cylinder)
• Ignition coil/ module 6 (top of cylinder)
• Ignition coil/ module 8 (top of cylinder)
• Ignition switch
• Instrument panel cluster
• Logic
• Low ref
• Maf sen sig
• Main rly ctrl
• Malfunction indicator lamp
• Map sen sig
• Mil ctrl
• Off/ lock
• Oil temp
• Plug spark
• Pnk
• Powertrain control module (behind right front fender)
• Red
• Reverse inhibit sol ctrl
• Run
• S164
• S166
• S168
• Sound system
• Spark plug
• Ss ind
• Ss lamp ctrl
• Start
• Starting system
• Tan
• Tft sen sig
• Torque delivered
• Vehicle speed out
• Vss
• Vss ref lo
• Vss sig hi