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, Ground, Serial Data, and MIL Schematic

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Fig 2: Engine Data Sensors - 5-Volt and Low Reference Schematic (1 of 2)

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Fig 3: Engine Data Sensors - 5 Volt and Low Reference Schematic (2 of 2)

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Fig 4: Engine Data Sensors - Pressure, Temperature, MAF, VSS 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: Engine Data Sensors - IAT 2, BARO, SCIAP Schematic

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Fig 8: Ignition Controls - Ignition System Bank 1 Schematic

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Fig 9: Ignition Controls - Ignition System Bank 2 Schematic

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Fig 10: Ignition Controls - CMP Sensors and Solenoids Schematic

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Fig 11: Crankshaft Position (CKP) Sensor and Knock Sensors Schematic

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Fig 12: Fuel Controls - Injectors and Pump Schematic

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Fig 13: Fuel Controls - EVAP, Fuel Tank Pressure (FTP) Sensor, Vacuum Bypass Valve Schematic

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Fig 14: Charge Air Cooler (CAC) Coolant Pump Schematic

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Fig 15: Controlled/Monitored Subsystem References Schematic

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