B2380

Read the instructions below then start the fault diagnostic procedure.

Symptom: Perceived temperature in cabin too low compared to the set temperature.

B2380

Fault symptoms

Perceived temperature in cabin too low compared to the set temperature.

Conditions

The following conditions apply:

•	Ignition ON

•	Short circuit to B+ indicated when the output for the circulation pump is activated and the voltage on pin 15 exceeds 6 V.

•	Short circuit to ground is indicated when the output for the circulation pump is not activated and the voltage on pin 15 exceeds 6 V.

•	Measured every 50 ms.

•	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 is generated the output is switched off.