Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams




Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL





5V and Low Reference Bus (1 of 2)






Low Reference Bus (2 of 2)






Engine Data Sensors - Humidity, Pressure, and Temperature






Engine Data Sensors - Oxygen Sensors






Engine Data Sensors - Throttle Controls






Ignition Controls - Ignition System






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






Fuel Controls - Fuel Injectors






Fuel Controls - Fuel Pump and Fuel Pump Controls





Fuel Controls - Evaporative Emission and Device Controls






Controlled/Monitored Subsystem References