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Home >> Chevrolet >> 2004 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L & 6.0L (Introduction) >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: Module Power, Ground, Serial Data & MIL Schematic
GM1247995Courtesy of GENERAL MOTORS CORP.
Fig 2: 5-Volt Reference Schematic
GM1248000Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temperature & Position Schematic
GM1248002Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Oxygen Sensors Schematic
GM1248009Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Throttle Actuator Controls Schematic - 1 Of 2 (JL4)
GM1248006Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Data Sensors - Throttle Actuator Controls Schematic - 2 Of 2 (JL4)
GM1248007Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Sensors Schematic
GM1248011Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Ignition System Coils 1, 3, 5, 7 Schematic
GM1248015Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls - Ignition System Coils 2, 4, 6, 8 Schematic
GM1248020Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls - Fuel Pump Controls Schematic
GM1248022Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - Fuel Injectors Schematic
GM1248026Courtesy of GENERAL MOTORS CORP.
Fig 12: Fuel Controls - EVAP & Device Controls Schematic
GM1248027Courtesy of GENERAL MOTORS CORP.
Fig 13: Controlled/Monitored Subsystem & Transmission References Schematic
GM1248030Courtesy of GENERAL MOTORS CORP.