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Troubleshooter

1992 Ls400 Trac Light

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If a rear wheel slips, even sligthtly, during hard acceleration Trac will activate.

If you're sure there is no slippage then you need to look into the cause.

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Spin.....

Well, not exactly.

The Trac ecu watches the ABS sensors at the front and compares the front rotation rate with each of the rear wheels, individually. If either rear wheel should turn faster, for even a short duration, say a 4" wide plastic crosswalk strip that's wet, the Trac indicator will illuminate briefly.

Therefore my use of the term "slip", no spin.

Obviously it would also do it for a true "spin".

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isnt there a special light for this? i have a special light for this. ot looks like a car slipping on the road

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