B2290
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Experienced temperature is too low compared to the set temperature. The cabin temperature cannot be adjusted on the right side.
Heater Flap Motor Right. Open Circuit
Heater Flap Motor Right. Short Circuit
Fault symptoms
Experienced temperature is too low compared to the set temperature. The cabin temperature cannot be adjusted on the right side.
Conditions
The following conditions apply:
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When the current on one of the control module stepping motor outputs exceeds a certain value, the diagnostic trouble code for short circuit will be set.
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If any of the stepping motor outputs sense that the control current is less than 55 mA, a diagnostic trouble code for open circuit is generated.
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Continuous monitoring and when calibrating.
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