Operation CHARM: Car repair manuals for everyone.

System Diagram



Engine Controls Schematics

Module Power, Ground, Serial Data and MIL






5-Volt and Low Reference






Engine Data Sensors - Pressure, Temperature, and Throttle Controls






Engine Data Sensors - HO2S






Ignition Controls - Ignition System Coils 1, 3, and 5 (LLT)






Ignition Controls - Ignition System Coils 1, 3, and 5 (LP1/LY7)






Ignition Controls - Ignition System Coils 2, 4, and 6 (LLT)






Ignition Controls - Ignition System Coils 2, 4, and 6 (LP1/LY7)






Ignition Controls - Sensors






Fuel Controls - Fuel Injectors, Pressure and Fuel Pump Controls (LLT)






Fuel Controls - Fuel Injectors, Pressure and Fuel Pump Controls (LP1/LY7)






Fuel Controls - EVAP Controls and Manifold Tuning






Monitored/Controlled Subsystem References