B2410
Read the instructions below then
start the fault diagnostic procedure.
Symptom: The cabin mists up.
Bad air in cabin.
The perceived cabin temperature is too high compared to the set temperature.
Recirculation Motor. Short to B+
Recirculation Motor. Open Circuit / Short to Ground
Fault symptoms
|
•
|
The perceived cabin temperature is too high compared to the set temperature.
|
Conditions
The following conditions apply:
|
•
|
A short to B+ is indicated when the output for the air recirculation motor is not activated and the voltage on pin 21 exceeds 9 V.
|
|
•
|
A short to ground and open circuit is indicated when the output for the air recirculation motor is not activated and the voltage on pin 21 is below 3 V.
|
|
•
|
Measured every 440 ms and 5 consecutive measurements are required to set a diagnostic trouble code.
|
|
•
|
The diagnostic trouble code is deleted after the ignition has been switched on 20 times if the malfunction conditions have not been fulfilled.
|
|
•
|
When the diagnostic trouble code has been set the output is switched off.
|
