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Engine Controls - 5.3L - Introduction
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Schematic and Routing Diagrams
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Engine Controls Schematics
Engine Controls Schematics
Fig 1: Module Power, Ground, Serial Data & MIL Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: Fuse Block Schematic - Underhood Powertrain Relay - 1 Of 2
Courtesy of GENERAL MOTORS CORP.
Fig 3: Fuse Block Schematic - Underhood Powertrain Relay - 2 Of 2
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors Schematic - 5-Volt & Low Reference
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors Schematic - MAF, Pressure & Temperature
Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Data Sensors Schematic - Oxygen Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 7: Engine Data Sensors Schematic - Throttle Actuator Controls
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls Schematic - Ignition System Coils 1, 3, 5, 7
Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls Schematic - Ignition System Coils 2, 4, 6, 8
Courtesy of GENERAL MOTORS CORP.
Fig 10: Ignition Controls Schematic - Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls Schematic - Fuel Pump Controls & Fuel Injectors
Courtesy of GENERAL MOTORS CORP.
Fig 12: Fuel Controls Schematic - EVAP Controls
Courtesy of GENERAL MOTORS CORP.
Fig 13: Controlled/Monitored Subsystem References Schematic
Courtesy of GENERAL MOTORS CORP.