INFINITI I35 Brake Lights Aren't Working

Common Causes of Brake Light Failures in Your INFINITI I35 and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Brake Light Bulb
0%
25% chance it's the
Brake Light Fuse
0%
20% chance it's the
Brake Pedal Switch
0%
20% chance it's
Something else
The most common reasons a INFINITI I35 brake lights aren't working are a bad brake light bulb, blown brake light fuse, or a faulty brake pedal switch.
  • Brake Light Bulb: A burnt-out brake light bulb can prevent the brake lights from illuminating, compromising safety and signaling to other drivers.
  • Brake Light Fuse: A blown brake light fuse can prevent the brake lights from functioning, often due to a short circuit or overload in the electrical system.
  • Brake Pedal Switch: A faulty brake pedal switch can prevent the brake lights from functioning properly and may affect the operation of the cruise control system.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

Troubleshooting Brake Light Issues in an INFINITI I35

When troubleshooting brake light issues in your INFINITI I35, it's essential to adopt a systematic diagnostic approach. Start by checking the simplest potential causes, such as the stoplight switch, which can often malfunction and keep the brake lights illuminated even when the pedal is not pressed. If the lights are not functioning at all, enlist a friend to help you test them while you operate the brake pedal, ensuring that the bulbs themselves are not burnt out. Next, inspect the rubber bumper pad on the upper brake pedal arm, as a worn or damaged pad can prevent the brake light switch from operating correctly. Additionally, don't overlook the importance of the vehicle's electrical system; ensure that the battery and alternator are in good condition and that the brake fluid level is adequate. If these basic checks do not resolve the issue, you may need to delve deeper into the ABS system or other brake components, as these can also affect brake light functionality. By following this methodical approach, you can effectively identify and resolve the brake light issues in your INFINITI I35.

Troubleshooting Brake Light Issues in an INFINITI I35

When troubleshooting brake light issues in your INFINITI I35, it's essential to understand the common problems that may arise. One frequent culprit is a faulty brake light switch, which can cause the lights to remain illuminated even when the brake pedal is not engaged. Additionally, improper brake pedal adjustment can lead to similar issues; ensuring that the stoplight switch is correctly aligned and replacing the rubber bumper pad on the brake pedal arm can often resolve this. Electrical problems, such as faulty wiring or poor connections, can also keep the brake lights on, so inspecting these components is crucial. Furthermore, issues with the ABS system may trigger the brake warning light, necessitating a thorough diagnosis. Don't overlook the importance of a healthy battery and charging system, as these are vital for the proper functioning of your vehicle's electrical components, including the brake lights. Lastly, checking the brake fluid level is important, as low fluid can activate warning lights on the dashboard. By systematically examining these areas, you can effectively troubleshoot and resolve brake light issues, ensuring your INFINITI I35 remains safe and roadworthy.

How to Fix Non-Working Brake Lights in an INFINITI I35?

When dealing with non-working brake lights in your INFINITI I35, it’s crucial to act swiftly, as neglecting this issue can lead to dangerous driving conditions and potential accidents. Start by checking the brake light fuse; a blown fuse can easily disrupt the circuit and prevent your lights from functioning. Next, inspect the brake light switch, which is responsible for activating the lights when you press the pedal. If this switch is faulty, it can lead to complete brake light failure. Additionally, examine the electrical grounds in the system, as poor connections can cause intermittent issues. To confirm whether the lights are working, have a friend assist you by observing the brake lights while you press the pedal. If you notice that one light is dim or not illuminating at all, replacing the bulbs may be necessary. Addressing these issues promptly not only enhances your vehicle's safety but also helps avoid more significant repairs down the line. If these DIY steps do not resolve the problem, seeking professional assistance is advisable to ensure your vehicle remains safe on the road.

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