Operation CHARM: Car repair manuals for everyone.

System Diagram




Engine Controls Schematics

Power, Ground, Serial Data, and MIL





Master Electrical Component List
Engine Control Module Description
Control Module References
5V and Low Reference Bus (2 of 2)

5V and Low Reference Bus (1 of 2)





Master Electrical Component List
Engine Control Module Description
Control Module References
5V and Low Reference Bus (2 of 2)
Power, Ground, Serial Data, and MIL

5V and Low Reference Bus (2 of 2)





Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - Pressure and Temperature
5V and Low Reference Bus (1 of 2)

Engine Data Sensors - Pressure and Temperature





Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - Throttle Controls
5V and Low Reference Bus (2 of 2)

Engine Data Sensors - Throttle Controls





Master Electrical Component List
Engine Control Module Description
Control Module References
Oxygen Sensors and Ignition System
Engine Data Sensors - Pressure and Temperature

Oxygen Sensors and Ignition System





Master Electrical Component List
Engine Control Module Description
Control Module References
Camshaft, Crankshaft, and Knock Sensors, Camshaft Actuators
Engine Data Sensors - Throttle Controls

Camshaft, Crankshaft, and Knock Sensors, Camshaft Actuators





Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - Fuel Injectors and Evaporative Controls
Oxygen Sensors and Ignition System

Fuel Controls - Fuel Injectors and Evaporative Controls





Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - Fuel Pump Controls
Camshaft, Crankshaft, and Knock Sensors, Camshaft Actuators

Fuel Controls - Fuel Pump Controls





Master Electrical Component List
Engine Control Module Description
Control Module References
Controlled/Monitored Subsystem References
Fuel Controls - Fuel Injectors and Evaporative Controls

Secondary Air Injection (NU6)





Controlled/Monitored Subsystem References





Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - Fuel Pump Controls