Engine Controls Schematics

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. 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: Underhood Fuse Block - PWR/TRN Relay Schematic

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Fig 3: Engine Data Sensors - 5-Volt & Low Reference Schematic

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Fig 4: Engine Data Sensors - Pressure & Temperature Schematic

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Fig 5: Engine Data Sensors - Oxygen Sensors Schematic

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Fig 6: Engine Data Sensors - Throttle Actuator Control & VSS Schematic

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Fig 7: Ignition Controls - Ignition Coils Schematic

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Fig 8: Ignition Controls - Sensors Schematic

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Fig 9: Fuel Controls - Fuel Pump & Fuel Injectors Schematic

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Fig 10: Fuel Controls - EVAP Controls Schematic

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Fig 11: Device Controls - K18 Schematic

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Fig 12: Controlled/Monitored Subsystem References Schematic

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Fig 13: Transmission Control References - A/T Schematic

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