B2375
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.
Heat exchanger solenoid. Shorted to B+
Heat exchanger solenoid. Open circuit/shorted to ground
Fault symptom
Experienced temperature in cabin is too high or low when compared to set temperature.
Conditions
The following conditions apply:
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Shorted to B+ is indicated when the output for the heat exchanger solenoid is activated and the voltage on pin 24 exceeds 6 V.
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Measured every 440 ms and 5 measurements in a row are required to generate a diagnostic trouble code.
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The diagnostic trouble code is erased after ignition has been switched on 20 times if the problem conditions have not been fulfilled.
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The output is closed when the diagnostic trouble code is generated.
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