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
Voltage is missing on input for start condition 1 when start condition 2 is supplied with power.Diagnostic help
The input can be read using the diagnostics tool.The heater is provided with extra cabling and connector which is isolated from the ordinary cabling from the heater. This cabling and connector is not used but is connected to the control module, therefore always check that this cabling is undamaged before beginning fault tracing.
In the ordinary cabling between the heater and the 8-pin connector, there is an extra light green lead that is cut and is not used.