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Home >> Oldsmobile >> 1991 >> Toronado V6-3800 3.8L >> Repair and Diagnosis >> Powertrain Management >> Diagrams >> Electrical Diagrams >> Electronic/Powertrain Control Module (ECM/PCM) >> Part 2
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Part 2

PCM Schematic (2 Of 3):







BB9 = Coolant Temp Signal
BA8 = Sensor Ground
BB10 = TPS Signal
BB3 = +5V REF
BB7 = IAT Sensor Signal
BA7 = +5V Return
BD3 = 02 Signal
BD2 = 02 Ground Ref.
BB6 = Power Ground
GC15 = TCC - PWM
GD16 = Shift Solenoid A
GD15 = Shift Solenoid B
GC6 = TCC
BA5 = Brake
BC2 = Serial Data
BD1 = Serial Data
BB11 = Diag/ALDL
GC1 = SES Light
GD10 = 4 K/M Speed
GD14 = VSS HI
GD13 = VSS Low
BD8 = PRNDL A
BD7 = PRNDL B
BD6 = PRNDL C
BD5 = PRNDL P
BC4 = Fuel Pump Relay