Engine Controls Schematics

WARNING: This page is about a different car, the 2005 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Schematic - Power, Ground, Serial Data, DIC and Indicator

GM1470720

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

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Fig 3: Schematic - Engine Data Sensors - MAP, ECT, MAF and IAT Sensors

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Fig 4: Schematic - Engine Data Sensors - Heated Oxygen Sensors (HO2S)

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Fig 5: Schematic - Engine Data Sensors - Throttle Actuator Control (TAC) System

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Fig 6: Schematic - Ignition Controls - Odd Ignition Coils

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Fig 7: Schematic - Ignition Controls - Even Ignition Coils

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Fig 8: Schematic - Ignition Controls - Knock, CKP and CMP Sensors

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Fig 9: Schematic - Fuel Controls - Fuel Injectors and Fuel Pump and Sender Assembly

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Fig 10: Schematic - Fuel Controls - EVAP Controls

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Fig 11: Schematic - Controlled/Monitored Subsystem References

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Courtesy of GENERAL MOTORS CORP.