Audi Workshop Service and Repair Manuals

• If the wiring to the sender has an open circuit, a substitute value of 136.8 °C will be displayed.

An implausible value or a substitute temperature value of 136.8 °C is displayed:

• ‒ Connect test box V.A.G 1598/31 to wiring harness for engine control unit; do not connect the engine control unit => Page 23-32.
• ‒ → Remove the connector from the sensor => overview of fitting locations, Page 23-4.

The following wiring connections are to be checked for open circuits and/or short to positive or negative.

• ‒ Rectify any open/short circuit as necessary.

=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder

If no wiring fault is detected:

• ‒ Replace intake manifold temperature sender -G72.