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Home >> Chevrolet >> 2008 >> TrailBlazer 2WD L6-4.2L >> Repair and Diagnosis >> Diagrams >> Electrical Diagrams >> Powertrain Management >> System Diagram

System Diagram





Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL






Engine Data Sensors - 5-Volt and Low Reference






Engine Data Sensors - Pressure and Temperature






Engine Data Sensors - Oxygen Sensors






Engine Data Sensors - Throttle Actuator Control and VSS






Ignition Controls - Ignition System Coils 1, 3, and 5






Ignition Controls - Ignition System Coils 2, 4, and 6






Ignition Controls - Sensors






Fuel Controls - Fuel Pump and Fuel Injectors






Fuel Controls - EVAP Controls






Device Controls - K18






Controlled/Monitored Subsystem References