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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'98 Ford Contour, ABS/ Brake Warning Lights Reset

Q: My ABS and Brake "warning lights" came on in my '98 Ford Contour. I checked the fluid levels, pads and shoes look like new, no apparent leaks. I unhooked the negative terminal side of battery, for a couple of minutes, the rear sensors seem intact and undisturbed. How can this be reset?

A: In most cases disconnecting the battery will cause most vehicle computer system memories to clear and reset, not all, but most. If the warning light returns after this step then there is a system problem. The anti-lock brake system computer requires several important pieces of information to operate correctly. Each time the ignition is turned on the ABS computer runs a series of system tests. If the ABS warning light is coming on and staying on each time the ignition is turned on, then there is a system problem and the computer is informing you of this. If there is a system problem, no matter how many times you disconnect the battery the ABS computer is going to keep turning that warning light on. A diagnostic check is in order for an answer to your ABS problem.

 
     
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