On a model year 2001 you will not see anything unless you retrofit the switch or stalk as the OBC display is shared with the trip odometer display.
Well, there is a way to see the temp display by running a wire from the cluster to ground, but then you will not see the trip odometer when the temp display is on and you cannot cycle through the displays. To complicated and too much time for a DIYer, so people do not do it this way.
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