Electronic/Powertrain Control Module (ECM/PCM)
PCM Wiring Diagram - 4.3Z "S/T" Utility Manual Trans. (1 Of 3):
A14 - Diagnostic Test
A1 - System Ground
A2 - System Ground
A12 - HO2S Ground
F9 - Serial Data
A10 - HO2S Signal
B4 - MAP Ground
B13 - MAP Signal
E14 - MAP Reference
F14 - TP Reference
A15 - TP Signal
B3 - Sensor Ground
B8 - ECT Signal
A3 - IAC Coil "A" High
A6 - IAC Coil "A" Low
A8 - IAC Coil "B" High
A7 - IAC Coil "B" Low
PCM Wiring Diagram - 4.3Z "S/T" Utility Manual (2 Of 3):
E12 - A/C Signal
E16 - Battery Feed
F6 - Fuel Pump Relay Control
B12 - Fuel Pump Signal
F13 - Vehicle Speed Signal
F12 - Transmission Output Speed and Vehicle Speed Signal
PCM Wiring Diagram - 4.3Z "S/T" Utility Manual (3 Of 3):
E6 - MIL Control
E2 - Shift Lamp Control
B15 - Knock Signal
E1 - EGR Solenoid Control
E15 - Ignition Feed
A16 - Injector 1 Control
A9 - Injector 2 Control
F8 - 4WD Lamp Control
F11 - IC Signal
A4 - IC Reference High
B2 - IC Bypass
A5 - IC Reference Low