Additional electrical circuit diagram of the Motronic system (model 325e CAT) release since September 1985
23 Battery
900 Motor connector
a Airbag
b Electric fuel pump
s Maintenance intervals
d Dynamic oil level measurement
f Remote transmission of measured temperature value
g Static oil level measurement
901 Ignition distributor
902 ignition coil
903 position sensor
906 spark plugs
907 Alternator
908 Starter
910 Temperature switch, 45°C
911 Oil pressure switch
912 Oil level sensor
913 temperature gauge sensor
928 Speed sensor
929 Reference mark sensor (synchronization)
931 DME control unit (in the glove box)
933 Electronic idle control
934 Actuator
938 Diagnostic connector
952 Throttle switch
953 Air mass meter
955 Nozzle
956 cold start nozzle
958 Thermal time switch
973 Relay 2 (relay board)
976 Temperature switch, 0°C
986 pressure sensor
A Mass of the terminal stage
V Mass of the electronic circuit
C Automatic transmission connection
D Terminal 15 connection
E If a manual transmission is connected
F Air conditioner
G Vehicle wiring harness