Engine Controls Schematics

WARNING: This page is about a different car, the 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. 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 Schematic - PWR/TRN Relay - 1 Of 2

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Fig 3: Underhood Fuse Block Schematic - PWR/TRN Relay - 2 Of 2

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Fig 4: Engine Data Sensors Schematic - 5-Volt & Low Reference

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Fig 5: Engine Data Sensors Schematic - MAF, Pressure, Temperature & VSS

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Fig 6: Engine Data Sensors Schematic - Oxygen Sensors

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Fig 7: Engine Data Sensors Schematic - Throttle Actuator Controls

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Fig 8: Ignition Controls Schematic - Ignition Coils 1, 3, 5 & 7

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Fig 9: Ignition Controls Schematic - Ignition Coils 2, 4, 6 & 8

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Fig 10: Ignition Controls Schematic - Sensors & DOD Controls

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Fig 11: Fuel Controls Schematic - Fuel Pump & Fuel Injectors

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Fig 12: Fuel Controls Schematic - EVAP Controls

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Fig 13: Controlled/Monitored Subsystem References Schematic

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