Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams



Engine Controls Schematics

ECM Power, DLC, Ground, and MIL






Engine Data Sensors - 5-Volt Reference Bus






Engine Data Sensors - Low Reference Bus






Engine Data Sensors - ECT, HO2S and MAF/IAT Sensors






Engine Data Sensors - Oxygen Sensors






Engine Data Sensors - Electronic Throttle Controls






Ignition Controls - Bank 1 Ignition Coils






Ignition Controls - Bank 2 Ignition Coils






Ignition Controls - CMP Sensors and Solenoids






Ignition Controls - CKP Sensor and Knock Sensors






Fuel Controls - Fuel Injectors, Fuel Rail Pressure Sensor and High Pressure Fuel Pump Actuator






Fuel Controls - Low Pressure Fuel Pump






Fuel Controls - EVAP Controls






Controlled/Monitored Subsystem References