Engine Controls Schematics

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

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

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Fig 2: Engine Data Sensors Schematic - 5 Volt Reference

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Fig 3: Engine Data Sensors Schematic - Low Reference

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Fig 4: Engine Data Sensors Schematic - Pressure and Temperature

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Fig 5: Engine Data Sensors Schematic - MAF, VSS

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Fig 6: Engine Data Sensors Schematic - HO2S

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Fig 7: Ignition Controls Schematic

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Fig 8: Fuel Pump Controls Schematic

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Fig 9: Fuel Injectors Schematic

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Fig 10: Fuel Controls Schematic - EVAP and FTP

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Fig 11: IAC, EGR Device Controls Schematic

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Fig 12: Controlled/Monitored Subsystem References Schematic

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Fig 13: Automatic Transmission Controls Schematic

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