Electronic/Powertrain Control Module (ECM/PCM)

ECM Wiring Diagram, Part 1 Of 3:

BA9 = SERIAL DATA
YE12 = DIAGNOSTIC TEST
BA12 = SYSTEM GROUND
BD1 = SYSTEM GROUND
YE15 = OXYGEN SENSOR GROUND
YE14 = OXYGEN SENSOR SIGNAL
BB9 = VSS INPUT
BB10 = VSS INPUT
BB11 = VSS OUTPUT
BA4 = 5 VOLT REFERENCE
YF15 = MAP SIGNAL
BB6 = SENSOR GROUND
YE16 = COOLANT TEMPERATURE SIGNAL
BA5 = 5 VOLT REFERENCE
YF13 = TPS SIGNAL
BB5 = SENSOR GROUND
YF16 = MAT SIGNAL
BD13 = POWER STEERING PRESSURE SIGNAL

ECM Wiring Diagram, Part 2 Of 3:

YF2 = WASTEGATE CONTROL
YF7 = SERVICE ENGINE SOON LIGHT
YF4 = TCC CONTROL
BC9 = A/C REQUEST
YF1 = A/C RELAY CONTROL
YE8 = COOLING FAN CONTROL
YF9 = KNOCK RETARD

ECM Wiring Diagram, Part 3 Of 3:

YE3 = IAC COIL "A" HI
YE4 = IAC COIL "A" LO
YE5 = IAC COIL "B" HI
YE6 = IAC COIL "B" LO
BD16 = PARK NEUTRAL SWITCH (A/T)
BB1 = B+
BC16 = B+
YE9 = EGR CONTROL
BA6 = IGNITION FEED
BC11 = INJECTOR DRIVE
BC10 = INJECTOR DRIVE
BC8 = EST
BD8 = REFERENCE
BC7 = BYPASS
BD9 = GROUND
BD5 = INJECTOR JUMPER
BD6 = INJECTOR JUMPER
BC13 = INJECTOR JUMPER
BC15 = INJECTOR JUMPER
BA11 = FUEL PUMP RELAY DRIVE
BA12 = SYSTEM GROUND