Operation CHARM: Car repair manuals for everyone.

Engine Electrical Layout


ENGINE ELECTRIC LAYOUT





1 Control unit for DME.
2 Control unit for idle speed
3 Plug for car electric system, fuel pump relay





4 Plug - transmission versions (wire colors: green/yellow - blue/brown) - not used for automatics (lean mixture) - connected for manuals
5 Plug - air conditioner (wire colors: blue/white)









Relay 1 for fuel pump
Relay 2 for DME
Relay 3 for oxygen sensor heating





1 Temperature switch 45°C (113°F) for idle speed control
2 Coolant temperature sensor for DME
3 Temperature transmitter
4 Temperature time switch





Ground point for engine electric system





Plug for (gray) reference mark sensor (B) and speed sensor (D)





Pressure sensor