Engine Controls Schematics

Fig 1: PCM Power, Grounding, Serial Data, and MIL Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 2: 5 Volt and Low Reference Busses Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 3: MAP, ECT, VSS Circuit, and IAT/MAF Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 4: HO2S Circuits Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 5: TAC Power, Grounding, Data Circuits, and Indicator Control Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 6: Accelerator Pedal Position Sensor and Throttle Control Circuits Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Control, Bank 1 (LH) Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 8: Ignition Control, Bank 2 (RH) Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 9: CMP, CKP, KS, and Engine Speed Output

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Pump Controls Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 11: Fuel Injector Controls Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 12: EVAP and Fuel Tank Pressure Sensor Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 13: HVAC and Cruise Control Circuits Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 14: Starter, Generator Oil Level and Pressure, and 4WD Circuits Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 15: Automatic Transmission Circuits Schematics

Courtesy of GENERAL MOTORS CORP.