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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction (2 Of 2) >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: Module Power, Ground, Serial Data, MIL & DLC Schematic
GM1776824Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors Schematic - 5-Volt and Low Reference
GM1776836Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors Schematic - Pressure, Temperature and Throttle Actuator Controls
GM1776855Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors Schematic - Oxygen Sensors
GM1776865Courtesy of GENERAL MOTORS CORP.
Fig 5: Ignition Controls Schematic - Sensors
GM1776880Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls Schematic - Ignition System
GM1776888Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls Schematic
GM1776899Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Injection Controls Schematic
GM1776909Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel and EVAP Controls Schematic
GM1776918Courtesy of GENERAL MOTORS CORP.
Fig 10: Device Controls Schematic - K18
GM1824859Courtesy of GENERAL MOTORS CORP.
Fig 11: Controlled/Monitored Subsystem and Transmission References Schematic
GM1776929Courtesy of GENERAL MOTORS CORP.