Operation CHARM: Car repair manuals for everyone.

System Diagram



Engine Controls Schematics

Data Link, Ground, MIL, and Power

Engine Control Diagram 1:






Engine Data Sensors - 5-Volt and Low Reference

Engine Control Diagram 2:






Engine Data Sensors - Pressure, Temperature and MAF/IAT

Engine Control Diagram 3:






Engine Data Sensors - Oxygen Sensors

Engine Control Diagram 4:






Engine Data Sensors - APP and TAC

Engine Control Diagram 5:






Ignition Controls - Sensors

Engine Control Diagram 6:






Fuel Controls - Fuel Pump Controls and Fuel Injectors

Engine Control Diagram 7:






Ignition Controls - Ignition System

Engine Control Diagram 8:






Fuel Controls - EVAP Controls

Engine Control Diagram 9:






Controlled/Monitored Subsystem References

Engine Control Diagram 10: