Operation CHARM: Car repair manuals for everyone.

System Diagram



Engine Controls Schematics

Module Power, Ground and Serial Data






Engine Data Sensors - 5-Volt and Low Reference






Engine Data Sensors - Pressure and Temperature






Engine Data Sensors - Throttle Controls






Engine Data Sensors - Oxygen Sensors






Ignition Controls - Ignition System Coils 1, 3, 5, and 7






Ignition Controls - Ignition System Coils 2, 4, 6, and 8






Ignition Controls - Sensors






Fuel Controls - Fuel Injectors






Fuel Controls - Fuel Pump and EVAP Controls






Controlled/Monitored Subsystem References