heater fan (combined with electric motor) serves to supply outside air to the passenger compartment.
Removing
Remove instrument panel. (see here).
Set the interior air distribution switch knob to the position.
Figure 14-5 - Heating fan: 1 - block of the wiring harness; 2 - fan lock; 3 - heating system fan
Squeezing the two latches, disconnect the wire block 1, Figure 14-5.
Pressing the latch 2, turn the fan clockwise by a quarter of a turn and remove it from the heater housing.
Installation
Install the heater fan in the reverse order of removal.