Operation CHARM: Car repair manuals for everyone.

System Diagram





Engine Controls Schematics

Module Power, Ground, Serial Data, and MIL





5V1, and Low Reference Bus (1 of 2)





Module Power, Ground, Serial Data, and MIL

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





Engine Data Sensors - Pressure, Temperature, and Throttle Controls
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





Engine Data Sensors - Pressure, Temperature, and Throttle Controls

Ignition Controls - Ignition System





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





Fuel Controls - Fuel Injectors and Fuel Pressure





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

Fuel Controls - Fuel Pump Controls





Fuel Controls - Fuel Injectors and Fuel Pressure

Fuel Controls - Evaporative Emission Controls





Secondary Air Injection (NU6)
Fuel Controls - Fuel Pump Controls

Secondary Air Injection (NU6)





Secondary Air Injection System Description - Dual valve system
Fuel Controls - Evaporative Emission Controls

Controlled/Monitored Subsystem References





Secondary Air Injection (NU6)