Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
GMC
>>
2004
>>
Sierra 2500, 4D Pickup, 4WD, Part Time
>>
Repair and Diagnosis
>>
External Pages
>>
Different variant/trim
>>
Section 12 (Engine Controls - 4.3L (Introduction))
>>
Schematic and Routing Diagrams
>>
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 - Pressure and Temperature Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - MAF And VSS Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - HO2S Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 5: Ignition Controls
Courtesy of GENERAL MOTORS CORP.
Fig 6: Fuel Controls - Fuel Pump Controls Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls - Fuel Injectors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel/Device Controls - EVAP, Fuel Tanks Pressure, and IAC Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 9: Controlled/Monitored Subsystem References Schematic - 1 Of 2
Courtesy of GENERAL MOTORS CORP.
Fig 10: Controlled/Monitored Subsystem References Schematic - 2 Of 2
Courtesy of GENERAL MOTORS CORP.
Fig 11: Transmission Controls Schematic - A/T
Courtesy of GENERAL MOTORS CORP.