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.
Brake Switch
Disconnect brake switch 4-pin connector. With brake pedal depressed, continuity should exist between brake switch terminals No. 1 and 2. See Fig 1 . With brake pedal released, continuity should exist between brake switch terminals No. 3 and 4. If continuity is not as specified, adjust brake pedal height and recheck brake switch operation. See DISC - MDX, 3.2CL, 3.2TL & 3.5RL article in BRAKES. If brake pedal height is okay, replace brake switch.
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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.