audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Brake Signal > < How to Find Wiring Diagrams|Page 4182
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Checking sensor

-

Connect multimeter at sensor for resistance measurement.

Specified values

Temperature (degree C)

Resistance (k ohms)

-20

approx.13.8

0

approx.5.5

20

approx. 2.4

40

approx. 1.1

60

approx. 0.6

Example:

If air temperature is in a range from 0 degree C to 20 degree C, the resistance value must be between 5 k and 2.4 k

If specified value is not obtained:

-

Replace Intake Air Temperature (IAT) sensor.

Brake Signal > < How to Find Wiring Diagrams|Page 4182