Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams




Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL






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






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






Engine Data Sensors- Pressure and Temperature






Engine Data Sensors- Oxygen Sensors






Engine Data Sensors- Throttle Controls






Ignition Controls- Ignition System






Ignition Controls- Camshaft, Crankshaft and Knock






Fuel Controls- Fuel Injectors, Composition and High Pressure Control






Fuel Controls- Fuel Pump Controls






Fuel Controls- Evaporative Emissions and Turbocharger Controls






Controlled/Monitored Subsystem References