Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams



Engine Controls Schematics

Power, Ground, Serial Data, and MIL






5-Volt Reference Bus






Low Reference Bus






Stop Lamp Signals, and ECT, MAF/IAT, MAP, and Vehicle Speed Sensors






Heated Oxygen Sensors






Electronic Throttle Controls






Fuel Injectors






EVAP Solenoids, FTP Sensor, and Fuel Pump Controls






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