Engine Controls Schematics

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, Serial Data and MIL Schematic

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Fig 2: Engine Data Sensors - Pressure and Temperature Schematic

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Fig 3: Engine Data Sensors - MAF And VSS Schematic

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Fig 4: Engine Data Sensors - HO2S Schematic

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Fig 5: Ignition Controls

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Fig 6: Fuel Controls - Fuel Pump Controls Schematic

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Fig 7: Fuel Controls - Fuel Injectors Schematic

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Fig 8: Fuel/Device Controls - EVAP, Fuel Tanks Pressure, and IAC Schematic

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Fig 9: Controlled/Monitored Subsystem References Schematic - 1 Of 2

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Fig 10: Controlled/Monitored Subsystem References Schematic - 2 Of 2

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Fig 11: Transmission Controls Schematic - A/T

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