Engine Controls Diagrams

PA2 = PCM GROUND
PA1 = PCM GROUND
PB6 = OXYGEN SENSOR (O2S) LOW
BD12 = SERIAL DATA (UART)
PA12 = OXYGEN SENSOR (O2S) SIGNAL
PA5 = BATTERY FEED (B+)
PC9 = IAT SIGNAL
PB2 = SENSOR GROUND
PD4 = MAP SIGNAL
PA3 = 5 VOLT REFERENCE
PA4 = 5 VOLT REFERENCE
PB7 = TP SIGNAL
PB1 = SENSOR GROUND
PD3 = A/C REFRIGERANT PRESSURE SENSOR SIGNAL
PC10 = ECT SIGNAL
BC13 = KNOCK SIGNAL







BD16 = IGNITION FEED
PA8 = FUEL PUMP RELAY CONTROL
PC12 = INJECTOR DRIVER 2 + 3
PC16 = INJECTOR DRIVER 1 + 4
PB11 = TACH SIGNAL
PB3 = IGNITION CONTROL (IC) 1
PC15 = IGNITION CONTROL (IC) 2
PD2 = 7X REFERENCE HIGH
PD1 = REFERENCE LOW

PCM Wiring Diagram:

PD12 = A/C REQUEST
BC11 = A/C COMPRESSOR CLUTCH CONTROL RELAY
BC9 = COOLING FAN RELAY CONTROL
PB5 = NON AC PROGRAMMER (FOR NON A/C VEHICLES ONLY)
PC13 = GROUND
PC3 = IAC "A" HI
PC4 = IAC "A" LO
PC6 = IAC "B" HI
PC5 = IAC "B" LO
BC5 = TEMP/CHECK GAUGES LAMP CONTROL
BC8 = MALFUNCTION INDICATOR LAMP (MIL) "SERVICE ENGINE SOON" CONTROL
BC1 = EVAP DRIVER







PD11 = BRAKE SWITCH (4T60E TRANS ONLY)
BD3 = 3RD GEAR SWITCH (3T40 TRANS ONLY)
BD2 = 2ND GEAR SWITCH (3T40 TRANS ONLY)
BC2 = SHIFT LT. (MAN) TORQUE CONVERTER CLUTCH (TCC) APPLY (AUTO) CONTROL
BC16 = TCC PWM SOL.
BC14 = SHIFT "A" SOL.
BC15 = SHIFT "B" SOL.
PB8 = VEHICLE SPEED SIGNAL (4000 ppm)
PD8 = CRUISE ENGAGE
BC6 = CRUISE DISABLE
BD1 = PNP SWITCH (3T40 TRANS ONLY)
PRNDL P (4T60E TRANS ONLY)
BD2 = PRNDL C (4T60E TRANS ONLY)
BD3 = PRNDL B (4T60E TRANS ONLY)
BD4 = PRNDL A (4T60E TRANS ONLY)
BD13 = VSS SIGNAL (LOW)
BD14 = VSS SIGNAL (HIGH)