INFINITI FX37 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your INFINITI FX37 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 FX37 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 FX37 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.

Troubleshooting Cruise Control Issues in an INFINITI FX37

When troubleshooting cruise control issues in your INFINITI FX37, it's essential to adopt a systematic diagnostic approach. Begin by checking the control module, as this component is central to the cruise control system's functionality. Look for any visible signs of damage or disconnection. Next, inspect the cruise control sensor, which is crucial for the system's operation; ensure it is functioning correctly and free from any obstructions or wear. Following this, examine the throttle to confirm it is operating smoothly and not hindering the cruise control's performance. If these initial checks do not resolve the issue, it may be time to consult a professional mechanic who can provide a more in-depth diagnosis. By following this methodical approach, you can efficiently identify and address the root cause of your cruise control problems, restoring your vehicle's functionality.

What Could Cause the Cruise Control to Malfunction in an INFINITI FX37?

When dealing with cruise control malfunctions in an INFINITI FX37, it's essential to understand the common problems that may arise. One frequent issue is a blown fuse within the cruise control system, which can interrupt the necessary power supply for proper functionality. Additionally, the brake pedal sensor plays a crucial role; if it fails, the cruise control may not engage as intended. Another potential culprit is a defective throttle control system or components related to the Anti-lock Braking System (ABS), both of which can significantly affect cruise control performance. Drivers may also encounter issues with the intelligent cruise control settings, often indicated by a long beep and an illuminated amber light, signaling a malfunction. In older models, a broken vacuum line could also lead to cruise control failure. By systematically identifying these issues and addressing them through regular maintenance and timely repairs, you can ensure that your cruise control system remains in optimal working condition.

Why is the Cruise Control Not Working in an INFINITI FX37?

When the cruise control in your INFINITI FX37 fails to operate, it’s crucial to address the issue promptly to ensure your safety on the road. Common culprits include a blown fuse, a malfunctioning brake light, or a defective brake switch, all of which can disrupt the system's functionality. Additionally, problems with the throttle control system, ABS, or even a broken vacuum line in older models may contribute to the malfunction. If the check engine light is illuminated, it could indicate an underlying engine issue that also affects cruise control performance. Furthermore, sensor problems, such as dirt buildup or failure, can hinder the system's operation. Ignoring these symptoms not only compromises your driving experience but can also lead to more significant mechanical issues or safety hazards. Therefore, diagnosing the specific cause of the cruise control failure is essential for timely repairs and maintaining the integrity of your vehicle.

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