Engine Controls Schematics

Fig 1: Engine Control Module (ECM) Power, Ground, Serial Data And MIL - Schematic

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

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Fig 3: Engine Data Sensors Pressure, Temperature And MAF/IAT - Schematic

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Fig 4: Heated Oxygen Sensors (HO2S) - Schematic

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Fig 5: Engine Data Sensors APP And TAC - Schematic

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Fig 6: Ignition Controls - Schematic

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Fig 7: Ignition Controls Camshaft (CMP), Crankshaft (CKP) And Knock (KS) Sensors - Schematic

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Fig 8: Fuel Controls-Fuel Injectors - Schematic

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Fig 9: Fuel Pump Control Module - Schematic

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Fig 10: Evaporative Emissions (EVAP) Controls - Schematic

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Fig 11: Controlled/Monitored Subsystem References - Schematic

Courtesy of GENERAL MOTORS CORP.