Electronic/Powertrain Control Module (ECM/PCM)

Electronic Control Module:

C12 = +5 VOLT REFERENCE
C22 = MAP SIGNAL
C5 = MAP & MAT SENSOR GROUND
C4 = MAT SENSOR SIGNAL
C16 = COOLANT TEMPERATURE SIGNAL
C10 = CTS, TPS & ENGINE OIL TEMP GROUND
C15 = TPS SENSOR SIGNAL
C7 = +5 VOLT REFERENCE
C14 = ENGINE OIL TEMPERATURE SIGNAL
A1 = IAC COIL "A" HI
A7 = IAC COIL "A" LO
A8 = IAC COIL "B" HI
A2 = IAC COIL "B" LO

Electronic Control Module:

A16 = OXYGEN SENSOR SIGNAL
A22 = OXYGEN SENSOR GROUND
D11 = PARK/NEUTRAL SWITCH (A/T ONLY)
C2 = VEHICLE SPEED SENSOR SIGNAL
C8 = VEHICLE SPEED SENSOR GROUND
A11 = KNOCK SENSOR GROUND (ESC)
B6 = VATS (PASS-KEY) SIGNAL
C9 = EST
D13 = REFERENCE
C3 = BYPASS
D19 = DISTRIBUTOR GROUND

Electronic Control Module:

C1 = BATTERY + FEED
D17 = BATTERY + FEED
B10 = IGNITION FEED
A10 = CCP SOLENOID CONTROL
A4 = EGR SOLENOID CONTROL
A18 = EAS SWITCHING SOLENOID
A19 = EAC SOLENOID
D22 = 4TH GEAR SWITCH SIGNAL
B7 = TCC CLUTCH CONTROL
B7 = 1/4 UPSHIFT RELAY CONTROL (M/T ONLY)

Electronic Control Module:

B1 = SERVICE ENGINE SOON LIGHT CONTROL
A12 = UPSHIFT LIGHT CONTROL (A/T ONLY)
C13 = ONE TO FOUR LIGHT CONTROL (M/T ONLY)
B8 = VSS OUTPUT (4000 P/MI)
D9 = INJECTOR DRIVER
D4 = INJECTOR GROUND
D10 = INJECTOR GROUND
D3 = INJECTOR DRIVER
D17 = BATTERY + FEED
C1 = BATTERY + FEED
D7 = FUEL PUMP RELAY DRIVE
A20 = FUEL PUMP SIGNAL VOLTAGE MONITOR

Electronic Control Module:

A9 = PRIMARY COOLING FAN RELAY CONTROL
A3 = SECONDARY COOLING FAN RELAY CONTROL
D21 = A/C FAN REQUEST CONTROL
B15 = A/C REQUEST SIGNAL
B15 = A/C REQUEST SIGNAL
A13 = A/C CLUTCH CONTROL RELAY
C17 = A/C STATUS

Electronic Control Module:

A9 = ECM GROUND
A3 = ECM GROUND
D21 = TCC CLUTCH (A/T ONLY)
B15 = DIAGNOSTIC TEST TERMINAL
B15 = SERIAL DATA
A13 = SERIAL DATA
C17 = VSS SPEED OUTPUT (4000 P/MI)