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Home >> Chevrolet >> 2009 >> HHR LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.2L Or 2.4L - Introduction >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: Controlled/Monitored Subsystem References Circuit Schematic
GM2085249Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low References Circuit Schematic
GM2085225Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors Circuit Schematic - Pressure, Temp & MAF/IAT
GM2085227Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors Circuit Schematic - APP & TAC
GM2085235Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors Circuit Schematic - HO2S
GM2085231Courtesy of GENERAL MOTORS CORP.
Fig 6: EVAP Controls Circuit Schematic
GM2085245Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls Circuit Schematic
GM2085241Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls Circuit Schematic - Ignition System
GM2085237Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls Circuit Schematic - Sensors
GM2085239Courtesy of GENERAL MOTORS CORP.
Fig 10: 2.2L - Secondary Air Injection (AIR) System (NU6) Circuit Schematic
GM2085135Courtesy of GENERAL MOTORS CORP.
Fig 11: Power, Ground, MIL & DLC Circuit Schematic
GM2085223Courtesy of GENERAL MOTORS CORP.