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Home >> Chevrolet >> 2011 >> HHR L4-2.2L >> Repair and Diagnosis >> Diagrams >> Electrical Diagrams >> Powertrain Management >> System Diagram
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System Diagram



Engine Controls Schematics

Power, Ground, Serial Data, and MIL






5V1, 5V2, and Low Reference Bus






Engine Data Sensors - Pressure and Temperature






Engine Data Sensors - Heated Oxygen Sensors






Engine Data Sensors - Throttle Controls






Ignition Controls - Ignition System






Ignition Controls - CKP, CMP, and Knock Sensors, CMP Actuators






Fuel Controls - Fuel Pump and Fuel Injectors






Fuel Controls - EVAP Controls






Controlled/Monitored Subsystem References




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