Powertrain/Transmission Control Module (PCM/TCM)

Part 1 of 3

PIN # - CIRCUIT

A8 - Serial Data
A9 - Diagnostic Test
A12 - ECM Ground
D1 - ECM Ground
D6 - Oxygen Sensor Ground
D7 - Oxygen Sensor Signal
A10 - Vehicle Sensor Ground
C12 - MAT Sensor Signal
C10 - Coolant Temp Signal
A11 - Sensor Ground
C13 - TPS Signal
C14 - 5 Volt Reference
C11 - MAP Signal
D2 - Sensor Grd
C8 - PSPS
C9 - Crank Signal
C5 - IAC Coil "A" HI
C6 - IAC Coil "A" LO
C4 - IAC Coil "B" HI
C3 - IAC Coil "B" LO







Part 2 of 3

PIN # - CIRCUIT


B10 - Park Neutral Switch (A/T)
A6 - 12 Volt Ignition
A5 - Service Engine Soon Light Control
C7 - 4th Gear Switch (700-R4 Only)
A7 - TCC
D16 - Injector 1 Drive
D14 - Injector 2 Drive
D4 - EST
B5 - Dist. Ref.
D5 - Dist. By-Pass
B3 - Ignition Ground







Part 3 of 3

PIN # - CIRCUIT

C16 - 12 Volts
B1 - 12 Volts
A1 - Fuel Pump Relay Drive (12V)
A12 - ECM Ground
B2 - Fuel Pump Signal (PPSW)
B8 - A/C Request
B7 - Knock Signal (ESC)
C2 - AIR Switch Control
C1 - AIR Divert Control
A3 - Cannister Purge Control
A4 - EGR Control