Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams



Engine Controls Schematics

ECM Power, Ground, MIL, and Serial Data






5-Volt Reference Bussing






Low Reference Bussing






MAF/IAT, ECT, MAP Sensors, and Stop Lamp Switch Signal






Heated Oxygen Sensors






Electronic Throttle Controls






SCIAP, IAT 2, BARO Sensors, Super Charger Vacuum Bypass Valve, and Charge Air Cooler (CAC) Coolant Pump






Ignition Coils Bank 1






Ignition Coils Bank 2






CKP and KS Sensors






CMP Sensors and Actuators






Fuel Injectors






EVAP Solenoids and FTP Sensor






Fuel Pump Controls






Controlled/Monitored Subsystem References