Additional heater status, value

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Heater operating status:

0: The heater has not started.

1: The heater starts. Heater self test. The glow plug is activated and then the heater fan.

2: The heater starts and the fuel pump is active. The control module awaits combustion for a certain period of time.

3: The heater runs. Normal heater operation.

4: The heater stops. The flame goes out.

5: The heater waits. Waiting for the engine coolant temperature to be low enough for the heater to start again.

6: The heater has stopped. The heater only has this status if a fault has occurred.

7: The flame is extinguished.

8: Residual heat. If, when the outside temperature is low, the driver is in the car and turns on the heater, the water pump starts in order to heat the passenger compartment.

9: Fuel pump activated. Used in production.

10: Activating the fuel pump. Used to avoid problems with the fuel pump sticking.