Engine Controls Schematics

WARNING: This page is about a different car, the 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

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

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

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Fig 3: Engine Data Sensors Schematic - Pressure and Temperature

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Fig 4: Engine Data Sensors Schematic - MAF, VSS

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Fig 5: Oxygen Sensors Schematic

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Fig 6: Ignition Control Module Schematic

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Fig 7: Fuel Pump Controls Schematic

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Fig 8: Fuel Injectors Schematic

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Fig 9: EVAP Controls and FTP Sensor Schematic

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Fig 10: AIR, EGR, and IAC Controls Schematic

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Fig 11: PCM References Schematic - Controlled/Monitored Subsystem

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Fig 12: PCM References Schematic - Transmission Controls

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