Question about 2003 Toyota Camry

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Brake light comes and goes

The parking brake light comes on and goes off periodically, and it has nothing to do with me setting the parking brake. It just happens while I'm going down the street. Kind of annoying, but not a big deal.

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  • Anonymous Mar 27, 2014

    Riding down the road van brakes by itself. Tracing light comes on



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Go to the vehicle, raise the hood. Observe the level of brake fluid in the reservoir in the master cylinder (plastic bottle in front of the driver side firewall)...Look at the side of the plastic bottle...if the fluid is low, this will cause the brake light on the dash to blink on & off. There is a sensor in the cylinder reservoir, that measures the volume of brake fuid. As the brakes wear, the fluid level drops proportionatly. If you have low fluid, you may need some front brakes. Get the brakes checked. If you add fluid, just ot make the light go out, please understand that when you DO get new front brakes, the fluid that you added will be squeezed out of the cylinder, and it will get all over the paint in the engine compartment. Brake fluid damages paint. Hope this helps, and Thanks for choosing FixYa.
The graciousness of a FixYa rating would really be appreciated on my solution to you. Thanks.

Posted on Nov 11, 2008


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Brake light on dash coming on and off now on all the time plenty brake fluid good pedal stops ok e brake off

Year/make/model?? Try disconnecting the electrical connector at the master cylinder to see if the light goes out. If it does, suspect a float issue in the reservoir. If light stays on, disconnect plug at park brake to see if it goes out. If it does, suspect park brake switch issue

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If the red brake warning light comes on periodically, make sure the parking brake is completely released and stays in the up position, and check the fluid level in the brake master cylinder reservoir.

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Parking brake light comes on

Actually thats the brake warning light which will come on when the brake fluid is low or the equalizer valve goes to one side of the system.
You should have the hydraulic brakes checked for leaks.

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Parking Brake

there is a sensor in the brake fluid resovoir. if the fluid gets low, the brake light comes on. i'd say its borderline low and when you go up a hill it goes below the sensor level. add a little brake fluid to the resovoir and see if that helps

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Parking brake light stays on.

Do you have a separate parking brake light and a "regular" brake light? Most vehicles only have one light, it illuminates when the parking brake is set, but it also illuminates when the system detects a failure anywhere in the brake system.

You could have a separate light for the anti-lock brake system (ABS ).

Your description of a light that is on till you apply the brakes is usually a sign of some sort of system brake failure. Start with brake fluid level, then inspect the brakes at each wheel, looking for a leak.

If nothing detected there, then you likely have something more serious. (Master brake cyclinder bad, possible something in the ABS brakes, etc.)

Others may disagree, but I would suggest not driving the vehicle (except to a mechanic) until this is corrected.

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The problem is the car think the park brake is on (intermittently). I would check the park brake switch, perhaps it's loose, or perhaps the park brake is pushed down to the first "click" spot. Also check the wiring connection to the switch, and the wiring nearby. Good luck!

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try making sure all the grounds are good

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