ENGINE PERFORMANCE – Cadillac Catera 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L (VIN R), Engine Performance Wiring Diagrams (1 of 3) for Cadillac Catera 1997

List of elements for 3.0L (VIN R), Engine Performance Wiring Diagrams (1 of 3) for Cadillac Catera 1997:

• (fuel inj harness, near breakout to ecm harness)
• A/c req
• A/c rly ctrl
• A/c system
• Ab26
• Air inj pump
• Anti-theft system
• Battery
• Ckp ground
• Clamp 15 cruise fuse 15 15a
• Cmp sensor
• Ecm housing (left front of engine compt)
• Engine control module (left front of engine compt)
• Engine controls power relay (left front of engine compt)
• F28
• F34
• Fm430
• Fp120
• Fuse 60 10a
• Fuse block
• Fuse v5 30a
• Ground
• Ho2s
• Ho2s htr ctrl
• Hot at all times
• Hot in on, bulb test or start
• Iac vlv closed
• Iac vlv open
• Iat sensor
• Idle air control valve (left side of intake manifold plenum)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Inj relay ctrl
• Instrument cluster
• Ks bank 2
• Maf sensor
• Malfunction indicator lamp
• Mass air flow sensor (in air intake passage)
• Mil ctrl
• Mil input
• P390
• Pa16
• Power distribution fuse block
• Pu7
• Ra20
• Red
• Rf381
• S129
• S130
• S150
• S200
• Sequential multiport fuel injectors
• Sol vlv ctrl
• Torque ctrl
• Tp sensor
• Xa29
• Xa34
• Xb17
• Xf15
• Xm1
• Xm30
• Xm40
• Xp18
• Xp19
• Xp2
• Xp35
• Xp53
• Xp8
• Xr46
• Xu16
• Xu21
• Xu35
• Xu7
• Xy33
• Xy360
• Y370

3.0L (VIN R), Engine Performance Wiring Diagrams (2 of 3) for Cadillac Catera 1997

List of elements for 3.0L (VIN R), Engine Performance Wiring Diagrams (2 of 3) for Cadillac Catera 1997:

• (ecm harness, near ecm connector)
• Ecm housing (left front of engine compt)
• Evap purge solenoid valve (right rear of intake manifold)
• Evap tank solenoid valve (right rear of engine compt)
• Fuse 43 30a
• Fuse 49 50a
• G100 (left front of engine compt)
• Heated oxygen sensor bank 1 position 1 (right front exhaust pipe)
• Heated oxygen sensor bank 1 position 2 (right rear exhaust pipe)
• Heated oxygen sensor bank 2 position 1 (left front exhaust pipe)
• Heated oxygen sensor bank 2 position 2 (left rear exhaust pipe)
• Hot at all times
• Intake plenum switchover solenoid valve (left rear of engine)
• Intake resonance switchover solenoid valve (rear of resonance chamber)
• Nca
• Nca nca
• Red
• S109
• S119
• S120
• S123
• S124
• S128
• S131
• S228 (i/p harness, near relay box)
• Secondary air injection pump (left front rail below wheelhouse)
• Secondary air injection pump relay (left center of engine compt)
• Secondary air injection pump solenoid valve (front center of engine compt)
• Transmission control module (behind right side of dash)

3.0L (VIN R), Engine Performance Wiring Diagrams (3 of 3) for Cadillac Catera 1997

List of elements for 3.0L (VIN R), Engine Performance Wiring Diagrams (3 of 3) for Cadillac Catera 1997:

• (ecm harness, near ecm connector) s121
• (ecm harness, near ecm connector) s122
• (left front of engine compt)
• +5 v ref
• 1-4 ign ctrl
• 2-5 ign ctrl
• 6-3 ign ctrl
• Air pump vlv
• Anti-lock brakes system
• Ap54
• Battery
• Bulb test
• Camshaft position sensor (front of engine block)
• Ckp sensor
• Conden- ser (1998)
• Crankshaft position sensor (left rear of engine block)
• Data link connector (below dash, left of steering column)
• Ect sens sig
• Eng torque out
• Engine control module (left front of engine compt)
• Engine coolant temperature sensor (in coolant bridge)
• Evap sol vlv
• F lev out
• F pump rly
• F55
• F69
• Fa21
• Fb20
• Fuel press
• Fuel pump
• Fuel pump fuse 18 20a
• Fuel pump relay (left front of engine compt)
• Fuel tank pressure sensor (in fuel tank)
• Fuse block
• G100
• Ground
• Ho2s gnd
• Ho2s sig
• Hot at all times
• Ignition
• Ignition coil
• Ignition switch
• Instrument cluster system
• Intake air temperature sensor (between air cleaner and resonance chamber)
• Knock sensor bank 1 (right side of engine block)
• Knock sensor bank 2 (left side of engine block)
• Ks bank 1
• Ks gnd
• Maf sensor gnd
• Nca
• Off
• P/n input
• Pa79
• Pf53
• Pf73
• R48
• R83
• Ra543
• Red
• Rf1
• Rf78
• S106
• S132
• S204 (i/p harn, near multifunction relay module breakout)
• S214
• Serial data
• Start
• Tach out
• Theft deterrent module (upper right side of steering column)
• Throttle position sensor (on throttle body)
• To spark plugs
• Torque input
• Tps sig out
• U80
• Vss out
• Vss sig
• X56
• Xa61
• Xb72
• Xb82
• Xf65
• Xm70
• Xm88
• Xp3
• Xp74
• Xp76
• Xp77
• Xu306
• Xu400
• Xu46
• Y67