2017 INFINITI Q50 AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 INFINITI Q50 and How to Resolve Them

Find Repair Location
Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 INFINITI Q50 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
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.

What are the initial diagnostic steps to take when the AC isn't working in a 2017 INFINITI Q50?

When your 2017 INFINITI Q50's AC isn't functioning properly, start by checking the AC controls to ensure they are set correctly, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the fuses associated with the AC system; a blown fuse can disrupt functionality and is an easy fix. If the controls and fuses are in order, look for any visible leaks in the AC system, as these can lead to refrigerant loss and diminished cooling performance. It's also important to check the refrigerant level using a gauge; low levels can significantly impact the AC's ability to cool. While testing, listen for any unusual sounds from the AC system, as these may indicate a malfunctioning compressor or other components. Finally, verify that the AC compressor engages when the system is activated, as a failure here can prevent cold air from blowing. By following these steps, you can effectively diagnose common AC issues in your vehicle and potentially resolve them without needing to visit a mechanic.

What are the common problems that could cause the AC to stop working in a 2017 INFINITI Q50?

When the air conditioning system in your 2017 INFINITI Q50 ceases to function, it can be frustrating, especially during hot weather. One of the most frequent culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, preventing the system from cooling effectively. Another common issue is a faulty compressor; if the compressor is not engaging properly, it will fail to circulate refrigerant, resulting in warm air blowing from the vents. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the AC's operation, making it essential to check these components. Additionally, clogged or leaking refrigerant lines can hinder the flow of refrigerant, further compromising the system's performance. Issues with the condenser or evaporator can also affect cooling efficiency, as these components are crucial for heat exchange. Lastly, a malfunctioning blower motor can lead to inadequate airflow, making it seem like the AC is not working at all. By understanding these common problems, you can better diagnose the issue and determine whether a DIY fix is feasible or if professional assistance is required.

How urgent is it to address the AC failure in my 2017 INFINITI Q50?

When faced with an AC failure in your 2017 INFINITI Q50, it is crucial to recognize the urgency of addressing the problem. While it may not seem like an immediate emergency, delaying repairs can lead to significant discomfort during extreme weather conditions, impacting both your driving experience and safety. A malfunctioning AC system can distract the driver and create an unpleasant environment for passengers, making it harder to focus on the road. Moreover, neglecting the issue could exacerbate the problem, potentially causing further damage to the vehicle's cooling system and leading to more expensive repairs in the future. In some instances, a faulty AC can even affect other critical components of your vehicle, such as the engine, if left unaddressed for too long. Therefore, prioritizing the repair of your AC system is essential not only for your comfort but also for the overall health of your vehicle. Taking prompt action can save you from more extensive issues down the line, ensuring a safer and more enjoyable driving experience.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2017 INFINITI Q50 AC Not Working: Common Issues & Repairs