Operation CHARM: Car repair manuals for everyone.

System Diagram



Control module engine, schematics

Module Power, Ground, Serial Data, and MIL










5-Volt Reference and Low Reference










Engine data sensors - pressure, temperature, and throttle control










Engine data sensors - oxygen sensors










Ignition Controls - Ignition System Coils 1, 3 and 5










Ignition Controls - Ignition System Coils 2, 4 and 6










Ignition controls - sensors










Fuel control - fuel injectors










Fuel control - fuel pump and fuel pressure sensor










Turbocharger, Secondary Air Injection, and EVAP Emissions Controls










Controlled/Monitored Subsystem References