Operation CHARM: Car repair manuals for everyone.

System Diagram




Engine Controls Schematics (LUW)

Power, Ground, Serial Data, and MIL






5V and Low Reference Bus (1 of 2)






5V and Low Reference Bus (2 of 2)






Engine Data Sensors - Pressure and Temperature






Engine Data Sensors - Throttle Controls






Oxygen Sensors and Ignition System






Camshaft, Crankshaft, and Knock Sensors, Camshaft Actuators






Fuel Controls - Fuel Injectors and Evaporative Controls






Fuel Controls - Fuel Pump Controls






Controlled/Monitored Subsystem References