Temperature sensor on XM

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Rudge - 13 Dec 2005 00:13 GMT

The external temperature reading on the wiper stalk display is inaccurate.
Its about 6 degrees too high.

Can you tell me where the temperature sensor is located, can I disconnect it
and check the resistance and what are the correct values at different
temperatures?

Many thanks

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Adrian - 13 Dec 2005 11:07 GMT

> The external temperature reading on the wiper stalk display is
> inaccurate. Its about 6 degrees too high.
>
> Can you tell me where the temperature sensor is located, can I
> disconnect it and check the resistance and what are the correct values
> at different temperatures?

Depends on the age of the car - very early XMs had the sensor under the
front bumper, but most have it in the bottom of the LH mirror.

If it's only a little bit out, then you may find that it's just a poor
connection somewhere. More than that, I don't know, sorry...

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