Engine Controls Schematics

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

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

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Fig 2: Engine Data Sensors - 5-Volt & Low Reference Schematic

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Fig 3: Engine Data Sensors - Pressure, Temperature, MAF & VSS Schematic

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Fig 4: Engine Data Sensors - Oxygen Sensors Schematic

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Fig 5: Engine Data Sensors - Electronic Throttle Controls Schematic

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Fig 6: Ignition Controls - Ignition System Coils 1, 3, 5 & 7 Schematic

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Fig 7: Ignition Controls - Ignition System Coils 2, 4, 6 & 8 Schematic

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Fig 8: Ignition Controls - Sensors Schematic

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Fig 9: Fuel Controls - Fuel Pump Controls Schematic

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Fig 10: Fuel Controls - Fuel Injectors Schematic

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Fig 11: Fuel Controls - EVAP Controls Schematic

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Fig 12: Transmission & Controlled/Monitored Subsystem References Schematic

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