audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine Speed Sensor > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 912
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Check for open circuit and short to positive or ground in following wiring connections:

Connector

Test box VAG 1598/31

terminal

Some

3

108

4 (signal)

93

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Test for short circuits between two wires.

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Repair any open/short circuit as necessary.

If no wiring malfunction is detected:

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Replace engine control module.

Engine Speed Sensor > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 912