Operation CHARM: Car repair manuals for everyone.

System Diagram



Engine Controls Schematics

Power, Ground, Serial Data, and MIL






Engine Data Sensors - Pressure and Temperature Controls






Accelerator Pedal Position (APP) Sensor and Electronic Throttle Control (ETC)






Engine Data Sensors - Oxygen Sensors






Ignition Controls - Camshaft Position (CMP) Actuators






Ignition Controls - Camshaft Position (CMP), Rough Road, and Crankshaft Position (CKP) Sensors






Fuel Pump Controls and Injectors






Fuel Tank Pressure (FTP) Sensor and Evaporative Emission (EVAP) Valves






Controlled/Monitored Subsystem References