Electronic/Powertrain Control Module (ECM/PCM)

ECM Wiring Diagram (Part 1 Of 6):

C12 = +5 Volt Reference
C22 = MAP Signal
C5 = MAP/IAT Sensor Ground
C4 = Intake Air Temperature Sensor Signal
C16 = Coolant Temperature Sensor Signal
C10 = CTS, TPS, and Engine Oil Temperature Ground
C15 = TPS Signal
C7 = +5 Volt Reference
C14 = Engine Oil Temperature Sensor Signal
A1 = IAC Coil "A" HI
A7 = IAC Coil "A" LO
A8 = IAC Coil "B" HI
A2 = IAC Coil "B" LO

ECM Wiring Diagram (Part 2 Of 6):

A16 = Oxygen Sensor Signal
A22 = Oxygen Sensor Ground
D11 = Park/Neutral Switch Signal (A/T Only)
C2 = VSS Signal
C8 = VSS Ground
A11 = Knock Sensor Signal (ESC)
B6 = Personalized Automotive Security System (Pass-key)
C9 = EST
D13 = Reference
C3 = Bypass
D19 = Reference Low

ECM Wiring Diagram (Part 3 Of 6):

C1 = Battery Feed
D17 = Battery Feed
B10 = Ignition Feed
A10 = Canister Purge Solenoid Control
A4 = EGR Solenoid Control
A18 = Electric AIR Switching Solenoid
A19 = Electronic AIR Control Solenoid
D22 = 4th Gear Switch Signal
B7 = TCC Control (A/T only)
B7 = 1-4 Upshift Relay Control (M/T Only)

ECM Wiring Diagram (Part 4 Of 6):

B1 = SERVICE ENGINE SOON LIGHT CONTROL
A12 = UPSHIFT LIGHT CONTROL
C13 = 1-4 LIGHT CONTROL (M/T ONLY)
B8 = VSS OUTPUT 4000 PULSES PER MILE
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

ECM Wiring Diagram (Part 5 Of 6):

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

ECM Wiring Diagram (Part 6 Of 6):

C6 = ECM GROUND
D12 = ECM GROUND
B7 = TCC CONTROL (A/T ONLY)
B3 = DIAGNOSTIC "TEST" TERMINAL
B11 = SERIAL DATA
B5 = SERIAL DATA
B8 = VEHICLE SPEED OUTPUT 4000 PULSES PER MILE