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2004
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Colorado 4D Pickup, 2.8 8, RWD, Automatic
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Repair and Diagnosis
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Different variant/trim
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Section 2 (Engine Control System - 3.5L (Introduction))
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Schematic and Routing Diagrams
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Engine Controls Schematics
Engine Controls Schematics
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Power, Ground, MIL, and DLC Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: 5-Volt Reference Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 4: Oxygen Sensors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 5: Knock, CMP, CKP Sensors, and CMP Actuator Solenoid Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Injection Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel and EVAP Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 10: Controlled/Monitored Subsystem and Transmission References Schematic
Courtesy of GENERAL MOTORS CORP.