Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams




Engine Controls Schematics (LEA)

Power, Ground, Serial Data, and MIL






5V1, 5V2, 5V3, 5V4, and Low Reference Bus (1 of 2)






Low Reference Bus (2 of 2)






Engine Data Sensors - Pressure and Temperature





Engine Data Sensors - Throttle Controls






Engine Data Sensors - Oxygen Sensors






Ignition Controls - Ignition System






Ignition Controls - Inputs and Camshaft Controls






Fuel Controls - Fuel Injectors and High Pressure Control






Fuel Controls - Fuel Pump Controls






Fuel Controls - Evaporative Emissions Controls






Controlled/Monitored Subsystem References