Logic of naming sensors in VW-group is simple it contains "G" (german "Geber") + sensor number. The sensor number is unique. Here you can find fitting location, connectors and pins description, some information about sensors signals.

To our mind, sensors information is reference, so there is only simple search by sensor number.


Audi A8 4E (2002 -)
Audi A6 4F (2005- )
Audi Q7 4L (2007- )
Audi A4 8K (2008-)
Audi A3 8P (2003- )
Audi Q5 8R (2009- )

Audi A6 4F (2005- ). G18 Описание

Specifications of temperature sensor -G18


Measured value blocks 2 and 3


Display zone 1


Current coolant temperature in auxiliary heater in °C.

-The measured value of the temperature sensor -G18 built into the auxiliary heater is

evaluated by the additional heater control unit -J364.


Display zone 2


Coolant temperature in °C received from data bus system.

- The temperature is delivered by the control unit in the dash panel insert -J285 (or by the relevant

engine control unit).

- If no coolant temperature is received when the ignition is off,

a substitute value such as -40 °C can be displayed.


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