Engine Controls Schematics

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: ECM Power, DLC, Ground, and MIL Schematic

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Fig 2: Engine Data Sensors - 5-Volt Reference Bus Schematic

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Fig 3: Engine Data Sensors - Low Reference Bus Schematic

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Fig 4: Engine Data Sensors - ECT, HO2S and MAF/IAT Sensors Schematic

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Fig 5: Engine Data Sensors - Oxygen Sensors Schematic

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Fig 6: Engine Data Sensors - Electronic Throttle Controls Schematic

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Fig 7: Ignition Controls - Bank 1 Ignition Coils Schematic

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Fig 8: Ignition Controls - Bank 2 Ignition Coils Schematic

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Fig 9: Ignition Controls - CMP Sensors and Solenoids Schematic

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Fig 10: Ignition Controls - CKP Sensor and Knock Sensors Schematic

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Fig 11: Fuel Controls - Fuel Injectors, Fuel Rail Pressure Sensor and High Pressure Fuel Pump Actuator Schematic

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Fig 12: Fuel Controls - Low Pressure Fuel Pump Schematic

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Fig 13: Fuel Controls - EVAP Controls Schematic

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Fig 14: Controlled/Monitored Subsystem References Schematic

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