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Old 28 Jul 2011, 11:04 pm   #2 (permalink)
Hachiroku
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Default Re: 1999 Camry ABS problem

On Thu, 28 Jul 2011 19:47:19 -0600, Sharx3335 wrote:

> Yesterday, my 99 Camry (153,000 km), presented with the following
> problem: the ABS error indicator started flashing. Every few
> minutes it would stop for a minute or two, but always started
> again. The regular brakes worked fine--I didn't force a test on the
> ABS by standing on the brake pedal. No other error lights. I
> dropped it off at my long-time repair shop which specializes in
> brakes, suspension, and steering. I fully expected to hear that a
> wheel speed sensor or even the ABS ECU had "gone south". Or the
> wiring, even.
>
> Next day, the service manager called, indicating that he had
> scanned the codes, finding NOTHING. He took the vehicle out for a
> test drive and the ABS worked fine. Then he showed me a jumper pin
> (somewhat "U" shaped) that he had found stuck in the "jack" where
> one connects the code scanner. He said that his documentation said
> that to stop a flashing ABS condition to remove that pin. Well, NO
> ONE else has had access to the car for at least 8 months. How that
> pin got there is a mystery. The ABS light, aside from going on for
> a second or so when the car is started, has never been a problem
> before. He waived all charges for the test drive, safety
> inspection, etc.. He and that shop have been in business, with a
> good record, for over 20 years. He COULD have scammed be big time
> for ABS repairs. I have the car back now and everything appears
> normal. I've been the only owner of that vehicle. The only other
> driver is my wife.
> Ideas???
>
> David B.



Tire pressure? On the newer cars, the ABS is used as a tire pressure
sensor, because as one tire (or more) goes soft, it plays havoc with the
ABS system, so they use it to tell you when a tire is down.

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