INFINITI JX35 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your INFINITI JX35 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 INFINITI JX35 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 INFINITI JX35 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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.

Troubleshooting Cruise Control Issues in an INFINITI JX35

When troubleshooting cruise control issues in your INFINITI JX35, begin with the simplest potential problems before moving on to more complex diagnostics. Start by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. If the fuse is intact, inspect the brake light and brake switch; a malfunction here can inadvertently disengage the cruise control. Next, examine the wheel speed sensor, as a faulty sensor can send incorrect signals that disrupt the cruise control's operation. If these components are functioning correctly, it’s essential to consider any engine-related issues, particularly if the check engine light is illuminated. Addressing these underlying engine problems can often restore cruise control functionality. By following this diagnostic approach, you can systematically identify and resolve the issues affecting your cruise control system.

What Are the Common Causes of Cruise Control Malfunction in an INFINITI JX35?

When diagnosing cruise control malfunctions in an INFINITI JX35, it's essential to consider several common problems that may arise. A faulty cruise control switch is often the first suspect, as it can hinder the system's ability to engage or disengage properly. Additionally, issues with the speed sensor can disrupt the system's capacity to maintain a steady speed, leading to erratic behavior. Another critical component is the brake light switch; if this switch is malfunctioning, it may cause the cruise control to disengage unexpectedly when the brakes are applied. Furthermore, the throttle actuator plays a vital role in adjusting the throttle position, and any malfunction here can significantly impact cruise control functionality. Lastly, electrical issues such as wiring problems or blown fuses can also interfere with the system's operation. By understanding these potential causes, INFINITI JX35 owners can effectively troubleshoot and address cruise control issues, ensuring a smoother driving experience.

Why is the Cruise Control Not Working in an INFINITI JX35?

When the cruise control in your INFINITI JX35 is not functioning, it is crucial to address the issue without delay. Ignoring symptoms such as unexpected disengagement or failure to activate can lead to dangerous driving situations, particularly on long trips where maintaining speed is essential for safety. Common causes like a faulty brake switch or blown fuse not only disrupt the cruise control system but can also indicate underlying electrical issues that may escalate if left unchecked. Additionally, problems with the throttle control system or brake pedal switch can create a false sense of security, leading the vehicle to behave unpredictably. If the check engine light is illuminated, it may signal engine-related problems that could further compromise the cruise control functionality. Therefore, diagnosing the specific cause of the malfunction is vital—not just for the convenience of using cruise control, but for ensuring your overall safety on the road. Taking prompt action can prevent more significant repairs down the line and keep your driving experience smooth and secure.

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