Audi A3 1997 - Page 70

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Ambient temperature-dependent resistance of temperature sensors/senders in kω(kilo-ohms)
At sensor/sender installation location, temperature measured in °C
(degrees Celsius)
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
Test step 3
Fresh air blower -V2 and relevant control unit -J216
Select measuring range on hand-held multimeter V.A.G 1526:
Voltage measurement (20V =)
- 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
3.1 16
and
earth
Control unit -J126 ▪ Ignition on. - Voltage less than 5
V.
Fresh air blower not
running.
- Use current flow di‐
agram to locate and
eliminate short to
positive in the wiring
between -J126 and -
E87.
Replace control unit
-J126.
3.2 4
and
earth
Power supply for
fresh air blower -V2
▪ Ignition on. - approx. battery
voltage
- Use current flow di‐
agram to repair pow‐
er supply.
Note:
Earth applied e.g. to connector D contact 14.
Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
64 01 - Self-diagnosis, Electrical check