audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking Oxygen Sensor Heating|Page 4554 > < Checking Oxygen Sensor Heating|Page 4552
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If the specified value is obtained:

-

Switch multimeter (Fluke 83 or equivalent) to measure resistance (ohms) and connect between terminals 1 and 2.
Specified value (room temperature): approx. 2 to 5 ohms

NOTE:  With small increases in temperature, resistance will increase sharply.

If the specified value is not obtained:

-

Replace heated oxygen sensor.

Checking Oxygen Sensor Heating|Page 4554 > < Checking Oxygen Sensor Heating|Page 4552