Question about 1994 Toyota Pickup
The Brake Warning Light on my dashboard comes on and stays on when driving, eventually it goes off but then will come back on as I downshift (manual) and basically flickers on and off while driving. Is this a warning of some kind that I need to fix? Car has been serviced and is in good shape (104,0000 miles).
You have one of two problems.
The most common issue it low brake fluid in the master cylinder. As the brakes wear down, the brake fluid level drops proportionally. On the side of the master cylinder is a sensor, that measures the fluid level. Open the hood and check the level. If is is anywhere close to the "MIN" line, you may have some brakes that need replaced.
The second issue, and it is more rare, is the park brake cable rusting, and hanging up.
Easy way to check either: When the light comes on, open the hood and unplug the wire going to the sensor on the side of the master cylinder. If the light goes out, your fluid level is the issue.
Thnaks for choosing FIxYa for advice!
Posted on Mar 10, 2009
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this warning light or any other stays on in the dash it is indicating
that the systems control module (or the system sensor in the case of
lights like low oil pressure, door open indicators etc.) has detected
a fault, it then disables the system (this applies to ABS,TCS, TCM,
SRS and BCM faults and others) as long as the light is on. You must
now have the dealer hook up a special electronic diagnostic tool and
"scan" the system for the fault code that is stored for the
Legend of Abbreviations. ABS Antilock brake system.TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module
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