Operation CHARM: Car repair manuals for everyone.

System Diagram




Engine Controls Schematics

Power, Ground, Serial Data and MIL






5V1 and Low Reference Bus (1 of 2)






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






Engine Data Sensors- Pressure, Temperature, and Throttle Controls






Engine Data Sensors- Oxygen Sensors






Ignition Controls- Ignition System Bank 1






Ignition Controls- Ignition System Bank 2






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






Fuel Controls- Fuel Injectors and High Pressure Controls






Fuel Controls- Fuel Pump Controls






Fuel Controls- Evaporative Emissions Controls






Controlled/Monitored Subsystem References