Engine Controls Schematics

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground & Serial Data Circuit Schematic

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Fig 2: 5-Volt & Low Reference Circuit Schematic

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Fig 3: Engine Data Sensors Circuit Schematic - Pressure & Temperature

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Fig 4: Engine Data Sensors Circuit Schematic - Heated Oxygen Sensors

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Fig 5: Engine Data Sensors Circuit Schematic - Throttle Controls

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Fig 6: Ignition Controls Circuit Schematic - Ignition Control Module

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Fig 7: Ignition Controls Circuit Schematic - Sensors

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Fig 8: Fuel Pump Controls Circuit Schematic

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Fig 9: Fuel Controls Circuit Schematic - Fuel Injectors

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Fig 10: Fuel Controls Circuit Schematic - EVAP Controls

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Fig 11: Controlled/Monitored Subsystem References Circuit Schematic

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