Audi A3 1997 Manual page 69

Test step 2
Temperature sensor/sender
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
2.1 32
and
25
2.2 31
and
25
Note:
Centre vent temperature sender -G191 is only installed in vehicles with map-controlled cooling.
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
2.3 33
and
25
Select measuring range on hand-held multimeter V.A.G 1526:
Resistance measurement (20 kω)
- Adapter cable V.A.G 1598/12 connected
Test step V.A.G 1598
socket
2.4 8
and
2
Testing of ▪ Test conditions
- Additional opera‐
tions
Footwell vent tem‐ - Measure tempera‐
perature sender - ture at sender fitting
G192 location.
Centre vent tem‐ ▪ Vehicles with
perature sender - map-controlled
G191 cooling
Measure tempera‐
ture at sender fitting
location.
Contact in connec‐ ▪ Vehicles without
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
tor B contact 11 for map-controlled
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
short circuit cooling
Testing of ▪ Test conditions
- Additional opera‐
tions
Temperature sen‐ - Measure tempera‐
sor for fresh air in‐ ture at the sensor fit‐
take duct -G89 ting location.
Testing of ▪ Test conditions
- Additional opera‐
tions
Ambient tempera‐ - Measure tempera‐
ture sensor -G17 ture at the sensor fit‐
ting location.
10.4 - Checking in vehicles with an operating and display unit with one display
Heating, Air Conditioner - Edition 06.2000
Specified value
- Governed by the
temperature at the
sensor/pickup fitting
location
- ∞ω
Specified value
- Dependent on the
temperature at the
sensor fitting loca‐
tion => Table, Page
64 .
Specified value
- Dependent on the
temperature at the
sensor fitting loca‐
tion => Table, Page
64 .
Audi A3 1997 ➤
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.
=> Table, - Replace tempera‐
Page 64 . ture sensor/sender.
- Find short to con‐
nector B contact 11
according to current
flow diagram and
eliminate.
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 tempera‐
ture sensor.
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 tempera‐
ture sensor.
63