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Home >> Buick >> 2010 >> Lucerne V6-3.9L >> Repair and Diagnosis >> Diagrams >> Electrical Diagrams >> Powertrain Management >> System Diagram
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System Diagram



Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL






5-Volt and Low Reference






Engine Data Sensors - Pressure, Temperature, and Throttle Controls






Engine Data Sensors - Heated Oxygen Sensors






Ignition Controls - Ignition System






Ignition Controls - Sensors/Actuators






Fuel Controls - Fuel Injectors and Fuel Pump Controls






Fuel Controls - EVAP Controls






EGR, Secondary Air Injection (AIR)






Monitored/Controlled Subsystem References




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