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.
Pedal Position Sensor 7/124: General
Type
Slide potentiometer.
The sensor is actuated by the brake pedal pushrod
characteristic
Resistance between terminals #2 and #3 should be approx. 0.5 kΩ when the brake pedal is not actuated. Resistance should increase when the brake pedal is depressed.
Resistance between terminals #3 and #1 should be approx. 2.5 kΩ when the brake pedal is not actuated. Resistance should decrease when the brake pedal is depressed.
Upon ignition, voltage should be:
0 mm ≈ 0.15 V (brake pedal not actuated)
38.5 mm ≈ 4.75 V (brake pedal depressed)
Other information
None.
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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.