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B1350

Read the instructions below then start the fault diagnostic procedure.

Symptom: Experienced temperature in cabin is too high or low when compared to set temperature.

B1350


Cabin temperature sensor. Shorted to ground

Cabin temperature sensor. Open circuit/shorted to B+.


Fault symptom

Experienced temperature in cabin is too high or low when compared to set temperature.

Conditions

The following conditions apply:


Open circuit or short-circuit to B+ on pin 20 >4.9 V.

Shorted to ground on pin 20 <0.1 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.

When the diagnostic trouble code is generated, a replacement value is used. The replacement value used at ignition turn-on is the outside temperature and then the calculated temperature at head level for the front-seat passenger and driver.