Engine Controls Schematics. Chevrolet HHR 2009

For 1990-2009 cars only

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Figure 1:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - 5Volt and Low Reference
Figure 2:	Engine Data Sensors - 5-Volt and Low References Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors Pressure, Temp, and MAF/IAT Power, Ground, MIL, and DLC
Figure 3:	Engine Data Sensors - Pressure, Temp, and MAF/IAT Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors HO2S Engine Data Sensors - 5Volt and Low Reference
Figure 4:	Engine Data Sensors - APP and TAC Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Throttle Controls Engine Data Sensors Pressure, Temp, and MAF/IAT
Figure 5:	Engine Data Sensors - HO2S Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - Ignition System Engine Data Sensors HO2S
Figure 6:	EVAP Controls Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - Sensors Engine Data Sensors - Throttle Controls
Figure 7:	Fuel Controls Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Fuel Injectors Ignition Controls - Ignition System
Figure 8:	Ignition Controls - Ignition System Master Electrical Component List Engine Control Module Description Control Module References EVAP Controls Ignition Controls - Sensors
Figure 9:	Ignition Controls - Sensors Master Electrical Component List Engine Control Module Description Control Module References Secondary Air Injection (AIR) System (NU6) Fuel Controls - Fuel Injectors
Figure 10:	2.2L - Secondary Air Injection (AIR) System (NU6) Master Electrical Component List Engine Control Module Description Control Module References Controlled/Monitored Subsystem References EVAP Controls
Figure 11:	Power, Ground, MIL, and DLC Master Electrical Component List Engine Control Module Description Control Module References Secondary Air Injection (AIR) System (NU6)