Operation CHARM: Car repair manuals for everyone.

System Diagram




Engine Controls Schematics ((LFX))

Module Power, Ground, Serial Data, and MIL






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






5V2, 5V3, and Low Reference 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 Coils 1, 3, and 5






Ignition Controls - Ignition Coils 2, 4, and 6






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





Fuel Controls - Fuel Injectors






Fuel Controls - Fuel Pump Controls





Fuel Controls - Evaporative Emission Controls





B+ Bus (1 of 2)

Controlled/Monitored Subsystem References