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B2410

Read the instructions below then start the fault diagnostic procedure.

Symptom: Mist on the windows. Poor air in the cabin. Experienced temperature is too high compared to set temperature.

B2410


Recirculation motor. Shorted to B+

Recirculation motor. Open circuit/shorted to ground


Fault symptom


• Mist on the windows.

• Poor air in the cabin.

• Experienced temperature is too high compared to set temperature.


Conditions

The following conditions apply:


• Shorting to B+ is indicated when the output for the recirculation motor is not activated and the voltage on pin 21 exceeds 9 V.

• Shorting to ground and open circuit are indicated when the output for the recirculation motor is not activated and the voltage on pin 21 exceeds 3 V.

• Measured every 440 ms and 5 measurements in a row are required to generate a diagnostic trouble code.

• The diagnostic trouble code is erased after ignition has been switched on 20 times if the problem conditions have not been fulfilled.

• The output is closed when the diagnostic trouble code is generated.