INFINITI Q70 air conditioning not communicating with fuse box issue needing resolution on INFINITI Q70

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some INFINITI Q70 owners report experiencing issues with their air conditioning system not communicating with the fuse box, which can stem from several potential causes. These owners have noted that a malfunctioning AC compressor can disrupt the refrigerant flow, leading to cooling problems. Additionally, a blown fuse is a common issue that may affect the air conditioning system, and simply replacing the fuse without further investigation may mask underlying problems. Electrical issues, such as faulty wiring or poor connections to the fuse box, can also hinder communication between the AC system and the fuse box. Furthermore, some owners have encountered problems with the AC evaporator, which, if clogged or leaking, can result in warm air output and diminished cooling performance. To resolve these issues, it is advisable for owners to have the AC compressor checked, inspect the relevant fuse for damage, ensure there are no electrical problems, and examine the AC evaporator for clogs or leaks.

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