Audi A3 1997 - Page 58

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