Engine Controls Schematics

Fig 1: ECM Power, Ground, MIL & Serial Data Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: 12-Volt and 5-Volt Reference Bussing Schematic

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Fig 3: Low Reference Bussing Schematic

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Fig 4: IAT/MAF, ECT, MAP Sensors & Stop Lamp Switch Signal Schematic

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Fig 5: Heated Oxygen Sensors Schematic

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Fig 6: Electronic Throttle Controls Schematic

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Fig 7: Ignition Coils Bank 1 Schematic

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Fig 8: Ignition Coils Bank 2 Schematic

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Fig 9: CKP and KS Sensors Schematic

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Fig 10: CMP Sensors & Actuators Schematic

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Fig 11: Fuel Injectors Schematic

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Fig 12: EVAP and FTP Sensor Schematic

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Fig 13: Fuel Pump Controls Schematic

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Fig 14: Controlled/Monitored Subsystem References Schematic

Courtesy of GENERAL MOTORS CORP.