Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams




Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL






5V1, and Low Reference Bus (1 of 3)






5V2, 5V3, 5V4, and Low References Bus (2 of 3)






Low Reference Bus (3 of 3)






Engine Data Sensors - Pressure, Temperature, and Throttle Controls






Engine Data Sensors - Oxygen Sensors






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






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






Ignition Controls - Camshaft, Crankshaft, and Knock Sensors, and Camshaft Actuators






Fuel Controls - Fuel Injectors






Fuel Controls - Fuel Pump






Fuel Controls - Evaporative Emission Controls, Fuel Composition and Fuel Tank Pressure Sensors






Controlled/Monitored Subsystem References