Operation CHARM: Car repair manuals for everyone.

System Diagram



Engine Controls Schematics

Power, Ground, Serial Data and MIL






5V1 and Low Reference Bus






5V2, 5V3, 5V4, and Low Reference Bus






Engine Data Sensors - Pressure, Temperature, and Throttle Controls






Engine Data Sensors - HO2S






Ignition Controls - Ignition Coils Bank 1






Ignition Controls - Ignition Coils Bank 2






Ignition Controls - CKP, CMP, KS Sensors and CMP Actuator Solenoids






Fuel Controls - Fuel Injectors






Fuel Controls - Fuel Pump Flow Control






Fuel Controls - EVAP Controls






Controlled/Monitored Subsystem References