Operation CHARM: Car repair manuals for everyone.

System Diagram



Engine Controls Schematics

Power, Ground, Serial Data, and MIL






5-Volt Reference Bus






Low Reference Bus






ECT, MAF/IAT, MAP, and Supercharger Air Inlet and Air Outlet Sensors






Heated Oxygen Sensors






Electronic Throttle Controls






Fuel Injectors






Fuel Pump Controls






FTP Sensor, and EVAP and Supercharger Bypass Valve Solenoids






Ignition Controls Bank 1 (Odd) Ignition Coils






Ignition Controls Bank 2 (Even) Ignition Coils






Ignition Controls - CMP, CKP, and KS Sensors






Controlled/Monitored Subsystem References