Engine Controls Schematics

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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

GM1576164

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

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Fig 3: Engine Data Sensors - Pressure, Temperature, MAF, and VSS

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Fig 4: Engine Data Sensors - Oxygen Sensors (w/o HP2)

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Fig 5: Engine Data Sensors - Oxygen Sensors (HP2) - 1 of 2

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Fig 6: Engine Data Sensors - Oxygen Sensors (HP2) - 2 of 2

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Fig 7: Engine Data Sensors - Electronic Throttle Control

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Fig 8: Ignition Controls - Ignition System Coils 1, 3, 5, and 7

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Fig 9: Ignition Controls - Ignition System Coils 2, 4, 6, and 8

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Fig 10: Ignition Controls - Sensors

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Fig 11: Fuel Controls - Fuel Pump Controls

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Fig 12: Fuel Controls - Fuel Injectors

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Fig 13: Fuel Controls - EVAP Controls and Fuel Composition

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Fig 14: Controlled/Monitored Subsystem References

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Fig 15: Transmission Control References

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Courtesy of GENERAL MOTORS CORP.