Audi A3 1997 Manual page 58

Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
Select measuring range on hand-held multimeter V.A.G 1526:
Resistance measurement (20 kω)
- Adapter cable V.A.G 1598/11 connected
Test step V.A.G 1598
socket
2.5 26
and
49
Notes:
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
◆ Centre vent temperature sender -G191 is only installed in vehicles with map-controlled cooling.
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
◆ Correct assignment and coding of the operating and display unit -E87 must be ensured in vehicles with map-
with respect to the correctness of information in this document. Copyright by AUDI AG.
controlled cooling.
Ambient temperature-dependent resistance of temperature sensors/senders in kω(kilo-ohms)
At sensor/sender installation location, temperature meas‐
(degrees Celsius)
70
52
01 - Self-diagnosis, Electrical check
Testing of ▪ Test conditions
- Additional opera‐
tions
Centre vent tem‐ - Measure tempera‐
perature sender - ture at the sensor fit‐
G191 ting location.
ured in °C
-30
-20
-10
0
5
10
15
20
25
30
35
40
50
60
Specified value
- Governed by the
temperature at the
sensor fitting loca‐
tion => Table, Page
52 .
Temperature sensor Temperature sensor
-G56
Sender
-G192
(52.7)
(28.6)
16.2
9.40
7.27
5.66
4.45
3.50
2.79
2.23
1.80
1.45
0.97
0.67
0.47
Remedies if speci‐
fied value not at‐
tained
- Use current flow di‐
agram to locate and
eliminate short cir‐
cuit, open circuit or
contact resistance.
Replace sensor.
Sender
-G17 -G191
-G89
18.1 -
9.95 -
5.59 (47)
3.28 (29)
2.54 (23)
1.99 18.5
1.57 15
1.25 12.2
1.00 10.0
0.80 8.3
0.65 6.8
0.53 5.7
0.36 4.1
0.25 2.9
- 2.2