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Temperature-sensitive resistances of temperature sensors/senders > < Test step "1”

A4 Mk2

Test step “2”
Test step “2”
Temperature sensors/senders
   
Vehicle diagnostic, testing and information system -VAS 5051A-, measurement mode: Multimeter, resistance measurement (20 kΩ / 200 kΩ)
l  Adapter cable -V.A.G 1598/11- connected
Test stepTest box -V.A.G 1598A- socketChecking of
l  Test conditions
–  Additional operations
SpecificationMeasures to be taken if reading does not match specification
2.130
+
34		Fresh-air intake duct temperature sensor -G89-
l  Ignition off
–  Measure temperature at sensor fitting location
t  Depending on temperature at sensor/sender fitting location
–  Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or contact resistance
2.231
+
34		Evaporator outflow temperature sender -G263-  → Chapter
–  Replace temperature sensor/sender
2.328
+
34		Left footwell vent temperature sender -G261-   
2.429
+
34		Right footwell vent temperature sender -G262-   

   
Vehicle diagnostic, testing and information system -VAS 5051A-, measurement mode: Multimeter, resistance measurement (20 kΩ / 200 kΩ)
l  Adapter cable -V.A.G 1598/11- and adapter cable -V.A.G 1598/12- connected
Test stepTest box -V.A.G 1598A- socketChecking of
l  Test conditions
–  Additional operations
SpecificationMeasures to be taken if reading does not match specification
2.51 (1598/11)
+
16
(1598/12)		Left vent temperature sender -G150-
l  Ignition off
–  Measure temperature at sensor fitting location
t  Depending on temperature at sensor/sender fitting location
–  Use current flow diagram to locate and eliminate short circuit, open circuit in wiring or contact resistance
2.62 (1598/11)
+
16
(1598/12)		Right vent temperature sender -G151-  → Chapter
–  Replace sender

  Note
The wiring to these senders terminates at different connectors. Use is therefore either to be made of a second test box -V.A.G 1598A- or the measuring instrument is to be connected using a suitable test lead from the adapter set -V.A.G 1594C- directly to the adapter cables -V.A.G 1598/12-.
   

Temperature-sensitive resistances of temperature sensors/senders > < Test step "1”