Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams




Engine Controls Schematics

Module Power, Ground, and Serial Data






5V1, 5V2, and Low Reference Bus






Engine Data Sensors - Pressure and Temperature






Engine Data Sensors - Throttle Controls






Engine Data Sensors - Oxygen Sensors






Ignition Controls - Ignition Coils 1, 3, 5, and 7






Ignition Controls - Ignition Coils 2, 4, 6, and 8






Ignition Controls - Camshaft, Crankshaft, and Knock Sensors






Fuel Controls - Fuel Injectors






Fuel Controls - Fuel Pump





Fuel Controls - Fuel Pump and Pressure Sensor





Fuel Controls - Evaporative Emission Controls





Controlled/Monitored Subsystem References