Heater and ventilation, heater booster - function check

AP83.00-B-8351G

Heater and ventilation, heater booster - function check

22.03.2017

Model

979

1

Fan thermostat

2

Temperature dial

3

Air distribution regulator



Check

1

Ventilation: turn ignition key to the on position

2

Turn button (1) and control fan functioning

 Position 0 - off.
Position 1, 2, 3 - ventilation types; ventilation, heating and cooling.
Position 4 - defroster for windshield and cooling.

3

Check the air flow through the button (3)

 1 - Air to the windshield and to the riverview mirror visual field in the side windows.
2 - Air to the central diffusers.
3 - Air to the central diffusers and for the lower outputs.
4 - Air to the lower outputs.
5 - Air to upper and lower outputs.

4

Check the condition and operation of the center panel diffusers, and the side instruments panel

5

With the engine running and heated above 50 °C control the heating operation through the button (2)

 Blue: heating disconnected, low heating power.
White: medium heating power;.
Red: high heatings power (defogger).

 Turning the button (2) to the right, the air must be gradually heated.