Engine Controls Diagrams

PCM Wiring Diagram (1 Of 4):

D7 = BYPASS
D2 = IGNITION CONTROL (IC)
D9 = FUEL CONTROL
D8 = REFERENCE LOW
C10 = CAM SIGNAL
A20 = 24X REFERENCE
C1 = ENGINE GROUND
C3 = SERIAL DATA JUMPER
C4 = SERIAL DATA JUMPER
D1 = FUEL PUMP RELAY
A4 = LOW OIL LEVEL INDICATOR CONTROL
D19 = OIL LEVEL INPUT

PCM Wiring Diagram (2 Of 4):

A1 = MALFUNCTION INDICATOR LAMP (MIL)
B6 = TCC BRAKE SWITCH
B9 = TCC PWM SOL.
A22 = SHIFT SOL. A
A21 = SHIFT SOL. B
A9 = TCC APPLY SOL.
C14 = TFT SENSOR
C7 = SENSOR GROUND
D13 = PRNDL A
D18 = PRNDL B
D12 = PRNDL C
C17 = PRNDL P
B20 = VSS HIGH
B21 = VSS LOW
A19 = CRUISE STATUS
B13 = 4K/MI SPEED
A13 = CRUISE INHIBIT
A2 = FAN 1
A8 = FAN 2

PCM Wiring Diagram (3 Of 4):

C13 = ECT SIGNAL
C7 = SENSOR GROUND
C19 = TP SENSOR SIGNAL
B4 = 5 VOLT REFERENCE
C12 = IAT SIGNAL
C20 = A/C REF PRESSURE SENSOR
D11 = INJECTOR #1
D22 = INJECTOR #2
D6 = INJECTOR #3
D5 = INJECTOR #4
D4 = INJECTOR #5
D17 = INJECTOR #6
B5 = IGNITION FEED
D15 = MAF SIGNAL
A12 = POWER STEERING PRESSURE SWITCH
A3 = EVAP CANISTER PURGE
A14 = FUEL ENABLE

PCM Wiring Diagram (4 Of 4):

C22 = 2ND GEAR START SWITCH (PONTIAC)
D20 = A/C REQUEST
A7 = A/C RELAY
A6 = IAC "B" HIGH
A17 = IAC "B" LOW
B3 = IAC "A" HIGH
B8 = IAC "A" LOW
C21 = HOS2 LOW REFERENCE
C16 = HO2S SIGNAL
A10 = EGR #3
A11 = EGR #2
A5 = EGR #1
B1 = PCM GROUND
D10 = PCM GROUND
C1 = ENGINE GROUND
D21 = ENGINE GROUND
B11 = BATTERY FEED
B22 = BATTERY FEED
C18 = KNOCK SENSOR SIGNAL
C5 = SERIAL DATA