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2009
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Chevy Express G2500, Van Passenger
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Repair and Diagnosis
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Different variant/trim
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Section 2 (Engine Control System & Fuel System - 4.3L - 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: Module Power, Ground, Serial Data and MIL Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temperature and Position Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Oxygen Sensors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 5: Throttle Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition Control Module Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Sensors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Controls - Fuel Pump Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Controls - Fuel Injectors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls - EVAP and Device Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 11: Controlled/Monitored Subsystem References Schematic
Courtesy of GENERAL MOTORS CORP.