ENGINE PERFORMANCE – Cadillac CTS 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.2L VIN N

3.2L VIN N, Engine Performance Wiring Diagram (1 of 3) for Cadillac CTS 2003

List of elements for 3.2L VIN N, Engine Performance Wiring Diagram (1 of 3) for Cadillac CTS 2003:

• (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
• Cpp sw sig
• Crankshaft position sensor
• Cruise control system
• Ect sens
• Electronic ignition module (bank 1)
• Electronic ignition module (bank 2)
• 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 htr
• 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 pnk
• 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 2003

List of elements for 3.2L VIN N, Engine Performance Wiring Diagram (2 of 3) for Cadillac CTS 2003:

• (in engine harness, 120 cm from ho2s 21)
• (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)
• 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 fuse 15a
• Inj fuse 10a
• Intake manifold tuning valve solenoid (rear side of intake duct)
• Main relay
• Manifold fuse 10a
• Pnk
• Post 02 fuse 15a
• Pre fuse 15a
• R36
• R37
• R38
• R40
• R43
• R44
• R45
• R46
• R47
• R48
• R49
• R50
• Right rear fuse block (below right rear seat)
• S112
• Sp102
• Tan
• Tcc/ cruise release switch
• Tcc/et fuse 10a
• Tcm/ ipc fuse 15a
• Theft fuse 7.5a
• Throttle position sensor (top right front of engine)
• 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 2003

List of elements for 3.2L VIN N, Engine Performance Wiring Diagram (3 of 3) for Cadillac CTS 2003:

• (engine harn, 160 cm from ecm ground)
• (in front of underhood fuse box) sp102
• (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
• Battery
• Can bus +
• Can bus -
• Charging system
• Class 2 data
• Computer data lines system
• Cooling fans system
• 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
• 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
• Sp102 (in front of underhood fuse box)
• Sp202 (near ipc)
• Start
• Starting system
• Stop lamp switch (top of brake pedal)
• Stop lp sw fuse 15a
• Stp lp sw
• Tan
• Tcc brk sw
• Tcc/brk
• Tnk pres sig
• Trac ctrl
• Transmission control module (right front side of engine compt)
• Under- hood fuse block (left front of eng compt)
• Vss
• Vss signal