Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams




Engine Controls Schematics

Module Power, Ground, Serial Data, Brake Pedal Position and MIL






5V1, and Low Reference Bus (1 of 2)





5V2, 5V3, and Low Reference Bus (2 of 2)






Engine Data Sensors - Pressure, Temperature, and Throttle Controls






Engine Data Sensors - Heated Oxygen Sensors






Ignition Controls - Ignition System Coils 1, 3, and 5






Ignition Controls - Ignition System Coils 2, 4, and 6






Ignition Controls - CKP, CMP, and Knock Sensors, CMP Actuators





Fuel Controls - Fuel Injectors, FRP Sensor, and High Pressure Fuel Pump






Fuel Controls - Fuel Pump Flow Control






Fuel Controls- EVAP Controls, Fuel Composition, and FTP Sensors






Secondar Air Injection- NU5 or NU6






Monitored/Controlled Subsystem References