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.
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HOMESERVICE MANUALSACURA20043.5RLREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION DIAGNOSIS - M5DACOMPONENT TESTSBRAKELIGHT SWITCH
2004 Acura 3.5RL
BRAKELIGHT Switch
2004 Acura 3.5RLSECTION BRAKELIGHT Switch
- Turn ignition off. Disconnect 4-pin brakelight switch harness connector. Switch is located on brake pedal support bracket.
- Check for continuity between brakelight switch terminals No. 1 and 2 with brake pedal depressed. Continuity should exist. Check for continuity between brakelight switch terminals No. 3 and 4 with brake pedal released. See Figure . Continuity should exist. If continuity is not as specified, go to next step.
- Ensure brakelight switch or pedal height is adjusted properly. If adjustments are okay, replace brakelight switch.
RENDER: 1.0x
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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.