Withdrawal
1. Disconnect two drive cables from the heater and one drive cable from the fan shroud.
Heater fan: 1 - guide casing; 2 - fan casing; 3 - intake air damper «A»; 4 - intake air damper «IN»; 5 - guiding casing of incoming air; 6 - drive lever for the incoming air damper; 7 - intake air damper lever «A»; 8 - intake air damper lever «IN»; 9 - electric motor and fan impeller; 10 - resistor; 11 - drive rod of the incoming air damper; 12 - cable clamp; 13 - thrust holder; 14 - spring washer; 15 - screw; 16 - damper pin; 17 - wire holder; 18 - seal.
4. Turn out ten bolts and remove a beam of the panel of devices.
Examination
1. With additional wires, apply voltage from the battery to the contacts and connector of the fan motor. If the fan motor is spinning, then it is good.
2. Check the resistance between the fan connector pins. If the resistance is out of specification, replace the resistor.