2004 INFINITI FX35 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2004 INFINITI FX35

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2004 INFINITI FX35 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
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.

How much does it cost to fix a 2004 INFINITI FX35 cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2004 INFINITI FX35?

To effectively troubleshoot the non-functional cruise control in your 2004 INFINITI FX35, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse; a blown or damaged fuse can easily disrupt the system's functionality. Next, examine the cruise control switch located on the steering wheel to ensure it is operating correctly, as a faulty switch can prevent activation. It's also crucial to check the brake pedal switch, as a malfunction or sticking can signal the system to disengage. Additionally, verify the vehicle speed sensor, which plays a vital role in cruise control operation; if it's not functioning properly, the system may not engage. Finally, consider using a diagnostic scanner to check for any stored error codes in the vehicle's onboard computer system, as these codes can provide valuable insights into underlying issues. By following these steps methodically, you can effectively diagnose and potentially resolve the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2004 INFINITI FX35?

When troubleshooting cruise control issues in a 2004 INFINITI FX35, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to disengage when the brake pedal is pressed. Additionally, a malfunctioning speed sensor can disrupt the system's ability to maintain a steady speed, causing it to fail. Another potential issue is a blown fuse within the cruise control system, which would require replacement to restore functionality. Furthermore, vacuum leaks in the engine can significantly impact the operation of the cruise control, as it relies on vacuum pressure to function correctly. Lastly, a defective cruise control module may also be responsible for the system's failure, necessitating repair or replacement. By identifying and addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2004 INFINITI FX35?

When it comes to the malfunctioning cruise control in a 2004 INFINITI FX35, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk to both the driver and others on the road. Ignoring these symptoms may not only increase the likelihood of accidents but can also result in more severe damage to the vehicle's components, leading to costly repairs down the line. Furthermore, a properly functioning cruise control enhances the overall driving experience, providing comfort and convenience during long trips. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure safety, maintain vehicle performance, and preserve the enjoyment of driving your INFINITI FX35.

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