With 4L80E Automatic Transmission
ECM Connector Terminal End View (Part 1 Of 2):
A1 = FUEL PUMP RELAY DRIVE.
A2 = SHIFT SOLENOID "B" CONTROL.
A3 = SHIFT SOLENOID "A" CONTROL.
A4 = TCC SOLENOID CONTROL.
A6 = EAC CONTROL (7.4L under 8500 GVW).
A7 = SERVICE ENGINE SOON LIGHT CONTROL.
A11 = EVRV (EGR) CONTROL.
A12 = BRAKE SIGNAL.
B2 = RANGE "C" SIGNAL.
B3 = RANGE "B" SIGNAL.
B4 = RANGE "A" SIGNAL.
B5 = TRANSMISSION OUTPUT SPEED SIGNAL (4WD).
B6 = TRANSMISSION OUTPUT SPEED SENSOR GROUND.
B7 = FORCE MOTOR LOW.
B8 = FORCE MOTOR HIGH.
B9 = TRANSMISSION INPUT SPEED SIGNAL.
B10 = TRANSMISSION INPUT SPEED SENSOR GROUND.
B11 = VEHICLE SPEED AND TRANS OUTPUT SPEED SIGNAL (2WD).
B12 = A/C SIGNAL.
ECM Connector Terminal End View (Part 2 Of 2):
C1 = FUSED IGNITION FEED.
C2 = SYSTEM GROUND.
C3 = SYSTEM GROUND.
C4 = TPS REFERENCE VOLTAGE.
C5 = TPS SIGNAL.
C6 = IAC COIL "A" HIGH.
C7 = IAC COIL "A" LOW.
C8 = IAC COIL "B" LOW.
C9 = IAC COIL "B" HIGH.
C10 = MAP SENSOR SIGNAL.
C11 = SERIAL DATA.
C13 = OXYGEN SENSOR GROUND.
C14 = OXYGEN SENSOR SIGNAL.
C15 = INJECTOR #2 CONTROL.
C16 = INJECTOR #1 CONTROL.
D1 = BATTERY VOLTAGE FEED.
D2 = MAP/TTS SENSOR GROUND.
D3 = TPS/CTS SENSOR GROUND
D4 = MAP REFERENCE VOLTAGE.
D5 = ESC (KNOCK) SIGNAL.
D6 = DIAGNOSTIC TEST TERMINAL.
D7 = FUEL PUMP SIGNAL.
D11 = EST CONTROL.
D12 = EST BYPASS.
D13 = EST REFERENCE LOW.
D14 = EST REFERENCE HIGH.
D15 = TRANSMISSION TEMP SIGNAL.
D16 = COOLANT TEMP SIGNAL.