Electronic/Powertrain Control Module (ECM/PCM)
ECM Wiring Diagram:
A13 = COOLANT TEMPERATURE SENSOR SIGNAL
B18 = CTS, TPS AND EOT GROUND
C3 = THROTTLE POSITION SENSOR SIGNAL
C2 = +5 VOLTS REFERENCE
C15 = ENGINE OIL TEMPERATURE SENSOR SIGNAL
C7 = +5 VOLTS REFERENCE
C21 = MAP SIGNAL
B3 = MAP, IAT AND A/C PRESSURE SENSOR GROUND
C22 = INTAKE AIR TEMPERATURE SENSOR SIGNAL
C11 = A/C PRESSURE SENSOR SIGNAL
A5 = IAC COIL "B" LO
A11 = IAC COIL "B" HI
A10 = IAC COIL "A" LO
A4 = IAC COIL "A" HI
ECM Wiring Diagram:
B2 = TORQUE CONVERTER CLUTCH CONTROL (TCC) (A/T ONLY)
B14 = 4th GEAR SIGNAL
B19 = 3rd GEAR SIGNAL
B20 = 2nd GEAR SIGNAL
B2 = 1 to 4 UPSHIFT RELAY CONTROL (M/T ONLY)
A1 = CANISTER PURGE SOLENOID CONTROL
A2 = EGR SOLENOID CONTROL
C6 = BATTERY FEED
C17 = BATTERY FEED
C12 = IGNITION FEED
ECM Wiring Diagram:
D6 = LEFT OXYGEN SENSOR SIGNAL
D17 = OXYGEN SENSOR GROUND
D22 = RIGHT OXYGEN SENSOR SIGNAL
A21 = PARK NEUTRAL SWITCH (A/T ONLY)
D12 = VEHICLE SPEED SENSOR SIGNAL
D1 = VEHICLE SPEED SENSOR GROUND
C8 = KNOCK SENSOR SIGNAL
A22 = ASR TIMING RETARD SIGNAL
B16 = "ASR ACTIVE" SIGNAL
ECM Wiring Diagram:
A6 = "SERVICE ENGINE SOON" LIGHT CONTROL
A9 = 1 to 4 LIGHT CONTROL (M/T ONLY)
D8 = VSS OUTPUT 4 THOUSAND PULSES PER MILE (4K PPM)
D11 = INJECTOR DRIVER
B17 = ECM GROUND
B22 = ECM GROUND
D10 = INJECTOR DRIVER
C6 = BATTERY FEED
C17 = BATTERY FEED
D7 = FUEL PUMP RELAY DRIVE
ECM Wiring Diagram:
B4 = PRIMARY COOLING FAN RELAY CONTROL
B10 = SECONDARY COOLING FAN RELAY CONTROL
B21 = A/C REQUEST
B5 = A/C CLUTCH RELAY CONTROL
C1 = A/C STATUS
C11 = A/C PRESSURE SENSOR SIGNAL
ECM Wiring Diagram:
C9 = SYSTEM GROUND
C18 = IGNITION FEED
C14 = HIGH RESOLUTION
C5 = LOW RESOLUTION
A12 = EST
A7 = A.I.R. ELECTRIC AIR PUMP RELAY CONTROL
A8 = A.I.R. ELECTRIC SWITCHING VALVE (ESV) CONTROL
ECM Wiring Diagram:
D20 = DIAGNOSTIC TEST TERMINAL
D4 = SERIAL DATA
D15 = SERIAL DATA
D8 = VSS OUTPUT 4 THOUSAND PULSES PER MILE (4K PPM)