Starter control, function - GF15.30-P-3000GA

ENGINE 111.921 /942 as of 1.9.98, 

111.943 /944 /946 /947 /973 with CODE (423a) 5-speed automatic transmission (new-generation) 

ENGINE 111.945 

in MODEL 208.335 /435 as of 1.6.98, 

202.020 /080 as of 1.9.98 with CODE (423a) 5-speed automatic transmission (new-generation) 

ENGINE 111.974 

with CODE (423a) 5-speed automatic transmission (new-generation) 

with CODE (494a) USA version 

with CODE (807) Model year 1997 

with CODE (808) Model year 1998 

ENGINE 111.975 as of 1.8.96 with CODE (423a) 5-speed automatic transmission (new-generation) 

ENGINE 112.910 /911 /912 /913 /914 /916 /917 /920 /921 /922 /923 /940 /941 /942 /943 /944 /946 /947 /949 /953 /954 /955 /970 /972 /973 /975 with CODE (423a) 5-speed automatic transmission (new-generation) 

ENGINE 113.940 /941 /942 /943 /948 /960 /961 /963 /965 /966 /967 /968 /969 with CODE (423a) 5-speed automatic transmission (new-generation) 

ENGINE 120.983 as of 1.6.98 

ENGINE 137.970 

Task 

After engine start speed is reached, interrupt the circuit (circuit 50) M1 to the solenoid switch of the starter.

Design 

The solenoid switch of the starter is operated not through the ignition/ start switch S2/1, but in drive position P or N through the starter relay, by the engine control unit.

The voltage for the starter relay (coil) is supplied through circuit 87. The starter relay is actuated by the engine control unit through GND.

Function 

When the ignition/start switch is operated in the start position, the engine control unit activates an automatic start control. Once the engine start speed of 400 to 700 rpm is reached, the engine control unit interrupts the ground actuation to the starter relay and thus the engine start operation.

Once the engine start operation is initiated, shutting off circuit 50 at the ignition/start switch has no effect. The starter rotates until the specified start speed is reached, or for about 5 seconds at an engine temperature of +80 °C, for a maximum of 10 seconds if the engine is cold.

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