B1340

Solar Sensor, Open Circuit/Shortened 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+.
When the diagnostic trouble code is generated, the control module uses a replacement value of 0 V, the control module interprets it as no light being radiated.

Diagnostic procedure
The solar sensor value can be read using the diagnostics tool.