B1350
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Perceived temperature in cabin too high or too low compared to the set temperature.
Indoor Temperature Sensor. Short to Ground
Indoor Temperature Sensor. Open Circuit / Short to B+
Fault symptoms
Perceived temperature in cabin too high or too low compared to the set temperature.
Conditions
The following conditions apply:
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Open circuit or short to B+ on pin 20 >4.9 V.
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Short to ground on pin 20<0.1 V.
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Measured every 440 ms and 5 consecutive measurements are required to set a diagnostic trouble code.
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The diagnostic trouble code is deleted after the ignition has been switched on 20 times if the malfunction conditions have not been fulfilled.
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When the diagnostic trouble code is set, the control module uses a default value. When the ignition is turned on, the outside temperature is used as a default value and after that, a mean value of the calculated temperatures at head height for the front seat passenger and the driver is used.
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