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Air conditioning coolant temperature sensor location/task/function - GF83.40-P-2155P

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MODEL 203.0 /2 /7 with CODE (580) Air conditioning (or Tempmatic for USA) with CODE (580) Automatic air conditioning with CODE (581) Automatic air conditioning with CODE (581) Comfort automatic air conditioning 

Fig 1: Identifying Coolant Temperature Sensor
G04737969
  Air conditioning coolant temperature sensor, position The coolant temperature sensor (B11/4) is located at the front of the engine.  
  Air conditioning coolant temperature sensor, task The coolant temperature sensor (B11/4) records the temperature of the coolant.  
  Air conditioning coolant temperature sensor, function   GF83.40-P-2125-01P