Engine Controls Schematics

Fig 1: DLC, Ground, MIL and Power - Wiring Diagram

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Fig 2: 5-Volt Reference Bussing - Wiring Diagram

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Fig 3: Low Reference Bussing - Wiring Diagram

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Fig 4: Engine Data Sensors - Pressure, Temperature, IAT/MAF, VSS and Brake Travel - Wiring Diagram

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Fig 5: Engine Data Sensors - Oxygen Sensors - Wiring Diagram

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Fig 6: Engine Data Sensors - Electronic Throttle Controls - Wiring Diagram

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Fig 7: Ignition Controls System - Bank 1 - Wiring Diagram

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Fig 8: Ignition Controls System - Bank 2 - Wiring Diagram

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Fig 9: Ignition Controls - Sensors - Wiring Diagram

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Fig 10: Fuel Controls - Fuel Pump Controls and Injectors - Wiring Diagram

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Fig 11: Fuel Controls - EVAP Controls - Wiring Diagram

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Fig 12: Controlled/Monitored Subsystem References - Wiring Diagram

Courtesy of GENERAL MOTORS CORP.