LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Chevrolet
>>
2009
>>
HHR SS, Standard
>>
Repair and Diagnosis
>>
External Pages
>>
Different variant/trim
>>
Section 4 (Engine Controls And Fuel - 2.2L Or 2.4L - Introduction)
>>
Schematic and Routing Diagrams
>>
Engine Controls Schematics
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls Schematics
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Controlled/Monitored Subsystem References Circuit Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low References Circuit Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors Circuit Schematic - Pressure, Temp & MAF/IAT
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors Circuit Schematic - APP & TAC
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors Circuit Schematic - HO2S
Courtesy of GENERAL MOTORS CORP.
Fig 6: EVAP Controls Circuit Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls Circuit Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls Circuit Schematic - Ignition System
Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls Circuit Schematic - Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 10: 2.2L - Secondary Air Injection (AIR) System (NU6) Circuit Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 11: Power, Ground, MIL & DLC Circuit Schematic
Courtesy of GENERAL MOTORS CORP.