Engine Controls Schematics

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

Courtesy of GENERAL MOTORS CORP.

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

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Fig 3: Engine Data Sensors Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: Oxygen Sensors Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 5: Ignition Controls Schematic

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Fig 6: Fuel Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 7: EVAP Controls Schematic

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Fig 8: Controlled/Monitored Subsystem References Schematic

Courtesy of GENERAL MOTORS CORP.