Operation CHARM: Car repair manuals for everyone.

System Diagram




Engine Controls Schematics (LFX)

Module Power, Ground, Serial Data and MIL





5V1 and Low Reference Bus (1 of 2)

5V1 and Low Reference Bus (1 of 2)





5V2, 5V3, 5V4 and Low Reference Bus (2 of 2)
Module Power, Ground, Serial Data and MIL

5V2, 5V3, 5V4 and Low Reference Bus (2 of 2)





5V1 and Low Reference Bus (1 of 2)

Engine Data Sensors - Pressure, Temperature and Throttle Controls





5V2, 5V3, 5V4 and Low Reference Bus (2 of 2)

Engine Data Sensors - Oxygen Sensors





Ignition Controls - Bank 1 Ignition System
Engine Data Sensors - Pressure, Temperature and Throttle Controls

Ignition Controls - Bank 1 Ignition System





Ignition Controls - Bank 2 Ignition System
Engine Data Sensors - Oxygen Sensors

Ignition Controls - Bank 2 Ignition System





Ignition Controls - Camshaft Solenoids, Camshaft, Crankshaft and Knock Sensors
Ignition Controls - Bank 1 Ignition System

Ignition Controls - Camshaft Solenoids, Camshaft, Crankshaft and Knock Sensors





Fuel Controls - Fuel Injectors, Composition and Fuel Pressure
Ignition Controls - Bank 2 Ignition System

Fuel Controls - Fuel Injectors, Composition and Fuel Pressure





Fuel Controls - Fuel Pump Controls
Ignition Controls - Camshaft Solenoids, Camshaft, Crankshaft and Knock Sensors

Fuel Controls - Fuel Pump Controls





Fuel Controls - Evaporative Emission Controls
Fuel Controls - Fuel Injectors, Composition and Fuel Pressure

Fuel Controls - Evaporative Emission Controls





Controlled/Monitored Subsystem References
Fuel Controls - Fuel Pump Controls

Controlled/Monitored Subsystem References





Fuel Controls - Evaporative Emission Controls