What does the brake pressure switch do?
A brake fluid pressure sensor senses the brake fluid pressure in a hydraulic braking system. The sensor is a type of pressure switch that shows and alerts a fault in the braking system.
Where is the brake pressure switch located?
Find the anti-lock brake pressure switch under the hood. This is usually found mounted to, or near, the brake master cylinder.
What should brake pressure read?
With your foot off the pedal, the pressure reading should be at zero, this will increase in value as you apply pressure to the brake pedal. If the reading is showing the maximum value constantly even with no pressure on the pedal, then this is a clear indication that your internal brake pressure sensor has failed.
Are there brake, ABS, and VSC lights on the dash?
Even in this case, usual braking performance besides the brake control system (ABS with EBD, Brake Assist, TRAC, and VSC) is secured. u0003 In the event of a malfunction in the TRAC and/or VSC, the Skid Control ECU prohibits the TRAC and VSC operations.
What happens when an ABS pressure switch goes bad?
The ABS pressure switch is one of the key components in the cycling behavior of the ABS module, so if it has any problems, it can seriously affect the ABS system. A completely failed ABS pressure switch will not be able to send a signal to activate the pump and the system will not work. 2. ABS is continuously running
What are the symptoms of a bad pressure switch?
3. Brakes locking up. Brakes locking up and tires skidding during heavy braking and in slippery conditions is another symptom of a possibly defective pressure switch. This will be caused by the ABS pressure switch failing to activate the pump or module.
Can a parking brake light be activated by ABS?
Usually, the brake fluid level sensor and the parking brake are the only two items that can activate the BRAKE light. But, not all vehicles are the same, and some of the earliest ABS systems would trigger both lights simultaneously for any ABS fault.