B0487
Read the instructions below then start the fault diagnostic procedure.
Symptom: Poor heating of cabin Heater does not start
| B0487 |
Fault symptoms
Poor heating of cabinHeater does not start
Conditions
No power on input for start enable 1 while start enable 2 is energized.Diagnostic help
The input states can be read using the diagnostic tool.The heater has an extra cable and connector that is separate from the ordinary wiring on the heater. This cable and connector are not used but are connected to the control module. Therefore, check that this cable is undamaged before starting fault diagnosis.
The ordinary wiring between the heater and the 8-pin connector contains an additional light-green wire that is cut and not used.
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