Engine Controls Schematics

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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 Schematic

GM1226777

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Fig 2: Engine Data Sensors Schematic - Pressure, Temperature, And VSS

GM1226781

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Fig 3: Engine Data Sensors Schematic - HO2S

GM1226784

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Fig 4: Engine Data Sensors Schematic - HO2S - HP2 - 1 Of 2

GM1388095

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Fig 5: Engine Data Sensors Schematic - HO2S - HP2 - 2 Of 2

GM1388098

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Fig 6: Engine Data Sensors Schematic - Electronic Throttle Controls - 1 Of 2

GM1226793

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Fig 7: Engine Data Sensors Schematic - Electronic Throttle Controls - 2 Of 2

GM1226798

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

GM1226803

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

GM1226805

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Fig 10: Ignition Controls Schematic - Sensors

GM1226806

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Fig 11: Fuel Controls Schematic - Fuel Pump Controls

GM1226807

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Fig 12: Fuel Controls Schematic - Fuel Injectors

GM1226808

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Fig 13: Fuel Controls Schematic - EVAP Controls And Fuel Tank Pressure

GM1226812

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Fig 14: Controlled/Monitored Subsystem References Schematic - 1 Of 2

GM1226816

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Fig 15: Controlled/Monitored Subsystem References Schematic - 2 Of 2

GM1226819

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Fig 16: Transmission Controls Schematic - A/T - 4L60-E

GM1226820

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Fig 17: Transmission Controls Schematic - A/T - 4L80-E

GM1226821

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