Audi A3 1997 Manual page 117

Air is drawn out of the passenger's footwell area (air recirculation mode).
- -> Turn rotary control -B- for air distribution to end stop in the "Air to windscreen" position.
Telltale in switch -C- extinguishes, fresh/recirculated air flap moves to the "fresh air mode" position (-E159
is released via rotary control -B-).
Notes:
◆ If the function is OK, but the windows mist up:
- Check dust and pollen filter for dirt =>Page
- Check forced air extraction =>Page
- Check passenger compartment for the ingress of water.
◆ If the function is NOK, check switch -E159.
Check function of switch -E159
- Remove glove compartment.
=> Inner Body Assembly; Repair group 68
- -> Detach connector -A- from positioning motor for fresh/recirculation air flap -V154.
- Switch ignition on.
- Turn rotary control for air distribution to the "Air to dash panel vents" position.
- Switch -E159 is not actuated (not pressed).
Fresh air mode - telltale does not illuminate in switch.
- Activate voltage tester V.A.G 1527 between contact 1 and 3 at connector -A- (between contact 2 and 3 in
RHD vehicles).
Telltale in voltage tester illuminates.
- Actuate switch -E159 (press).
Air recirculation mode - telltale illuminates in switch.
Heating, Air Conditioner - Edition 06.2000
113
93
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1.19 - Checking the function of the positioning motor for fresh/recirculated air flap -V154
Audi A3 1997 ➤
111
and switch -E159