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IFI engine stop function - GF07.12-P-2004HA

ENGINE 605.960 in MODEL 202.128 as of 1.4.96, 202.188 

ENGINE 605.912 in MODEL 210.010 as of 1.6.96, 210.210 /610 

ENGINE 606.912 in MODEL 210.020 as of 1.6.96 with CODE (491) U.S. version 

ENGINE 606.962 in MODEL 210.025 /225 

ENGINE 606.961 in MODEL 140.135 

ENGINE 605.962 in MODEL 210.015 /215 

Fig 1: Identifying IFI Engine Stop Function
G04623932Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Task 

To shut down engine when ignition is set to "OFF", i.e. to place the control rod of the IFI [ERE] fuel quantity actuator (Y23/1) and the IFI [ERE] electrohydraulic shutoff actuator (Y1/1) into the STOP position.

Function 

Upon turning the key to the "STOP" position, the self-holding circuit in the IFI [ERE] control module (N3/7) energizes the IFI [ERE] electrohydraulic shutoff actuator (Y1/1). The IFI [ERE] control module (N3/7) checks whether the engine has stopped. The IFI [ERE] electrohydraulic shutoff actuator (Y1/1) is then brought back into circuit. This sequence is necessary in order to check the function of the IFI [ERE] electrohydraulic shutoff actuator (Y1/1).

  Fuse and relay module location/task/function Model 202
Model 210 as of 03/97
GF07.13-P-3141H
  Relay module location/task/design/function Model 210 to 02/97 GF07.13-P-3101H
  Base module (N16/1) Model 140  
  Electronic ignition switch control module location/task/design/function Model 202 as of 06/97
Model 210 as of 03/97
GF80.57-P-4102A
  IFI [ERE] control module location/task/function   GF07.12-P-3102HA 
  Crankshaft position sensor location/task/design/function   GF07.04-P-4116H 
  IFI [ERE] electrohydraulic shutoff actuator location/task/design/function   GF07.12-P-3133H
  Fuel quantity actuator (IFI [ERE]) location/task/function   GF07.12-P-3131H 
  Fuel quantity actuator (IFI [ERE]) function   GF07.12-P-3131-01H