Operation CHARM: Car repair manuals for everyone.

Part 2 of 2

ECM Wiring Diagram (Part 1 Of 4):








C7 = 5 VOLT REFERENCE
C22 = MAP SIGNAL
C5 = SENSOR GROUND
C21 = A/C PRESSURE SIGNAL
C4 = IAT SIGNAL
C12 = 5V REFERENCE
C15 = TPS SIGNAL
C10 = SENSOR GROUND
C16 = COOLANT TEMPERATURE SIGNAL
A16 = O2 SIGNAL
A22 = 02 GROUND
B8 = 4000 P/MI SPEED/ODO
C2 = VSS HIGH
C8 = VSS LOW
A11 = ESC SIGNAL



ECM Wiring Diagram (Part 2 Of 4):













C17 = A/C REQUEST
A12 = A/C CLUTCH CONTROL
A9 = PRIMARY (LEFT ) FAN CONTROL
A3 = SECONDARY (RIGHT) FAN CONTROL (IF EQUIPPED)
C3 = BYPASS
C9 = EST
D13 = 2X REF HI
C11 = 1X REF HI
D19 = REF LO



ECM Wiring Diagram (Part 3 Of 4):







B10 = IGNITION FEED
D17 = BATTERY
C6 = ECM GROUND
D12 = ECM GROUND
D7 = FUEL PUMP RELAY
D9 = INJECTOR DRIVER 1,4
D14 = INJECTOR DRIVER 2,3
A10 = CCP
B3 = ALDL DIAGNOSTIC TERMINAL
B5 = ALDL SERIAL DATA




ECM Wiring Diagram (Part 4 Of 4):







B7 = TCC
C20 = 2ND GEAR SWITCH
D6 = 3RD GEAR SWITCH
D11 = P/N SWITCH
D4 = PEAK & HOLD JUMPER 1 & 4
D8 = PEAK & HOLD JUMPER 1 & 4
D1 = PEAK & HOLD JUMPER 2 & 3
D5 = PEAK & HOLD JUMPER 2 & 3
A4 = EGR #1
A18 = EGR #2
A7 = IAC "A" LOW
A1 = IAC "A" HIGH
A2 = IAC "B" LOW
A8 = IAC "B" HIGH
B1 = SERVICE ENGINE SOON LIGHT