Operation CHARM: Car repair manuals for everyone.
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System Diagram



Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL






5V1, 5V2, 5V3 and 5V4, and Low Reference Bus






Engine Data Sensors - Pressure and Temperature






Engine Data Sensors - Heated Oxygen Sensors






Engine Data Sensors - Throttle Controls






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 Pump






Fuel Controls - Fuel Injectors






Fuel Controls - EVAP Controls






Controlled/Monitored Subsystem References