Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams





Engine Controls Schematics

ECM Power, Ground, MIL, and Serial Data






5-Volt and Low Reference Bussing






MAP, ECT, and MAF/IAT Sensors






Heated Oxygen Sensors






Electronic Throttle Controls






Ignition Controls Bank 1 (Odd) Ignition Coils






Ignition Controls Bank 2 (Even) Ignition Coils






Ignition Controls Knock, CMP, CKP, Brake Booster Vacuum Sensors, and Valve Lifter Oil Manifold Assembly






Fuel Pump Controls







Fuel Injectors






EVAP Solenoids, and FTP Sensor






Controlled/Monitored Subsystem References