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Air humidity sensor, location/task/design/function - GF83.30-P-2125P

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MODEL 203.0 /2 /7 up to 31.5.01 with CODE (580) Air conditioning (or Tempmatic for USA) 

MODEL 203.0 /2 /7 as of 1.6.01 with CODE (580) Automatic air conditioning 

MODEL 203.0 /2 /7 as of 24.4.04 up to 28.6.06 except CODE (581) Comfort automatic air conditioning 

Shown on model 203.0 

Fig 1: Identifying Air Humidity Sensor
G04737942
  Air humidity sensor, position The air humidity sensor (B31/2) is located in the air flow upstream of the fresh air/air recirculation flap at the automatic air conditioning box.  
  Air humidity sensor, task The air humidity sensor (B31/2) detects the air humidity.  
  Air humidity sensor, design The air humidity sensor (B31/2) basically consists of the following parts:
  • Measuring cell for humidity
  • Electrical connector (3-pin)
  • Electronic printed circuit board with processor
  • Plastic housing, watertight with sensor orifice
 
  Air humidity sensor, function   GF83.30-P-2125-01P