Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Master Cylinder Pressure Sensor: Description: Notes
The pressure sensor (A) is connected to the master cylinder, when ESC is on operation, detecting the brake pressure in order to sense the user's will to brake a vehicle. The pressure sensor (A) consists of two ceramic discs, one is fixed and the other movable, so that changes the distance of the two discs.(Max. measurable pressure is 200 bar.)
| Item | Specification |
|---|---|
| Supply voltage | 4.8 V ~ 5.1 V |
| Supply current | less than 15 mA |
| Operating temperature | -40°C ~ 125°C |
| Measurement pressure range | 0 ~ 200 bar |
| Max. pressure limit | 350 bar |
| Zero rate output | 0.5 V |
| Output range | 0.5 ~ 4.5 V |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.