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No airflow from specific vents or clicking noise behind dashboard

Q: What are the symptoms of No airflow from specific vents or clicking noise behind dashboard in Nissan Infiniti FX35?

Different temperature on both sides of the cabin. No blowing from vents. Clicking or rattling behind dashboard. A/C does not react to control panel settings

Q: How to fix No airflow from specific vents or clicking noise behind dashboard in Nissan Infiniti FX35?

Physical replacement of the damaged Blend Door Actuator motor/actuator with a new OEM element with increased thermal resistance (OEM part number: 27443-5Z010 or 27743-ZH10A). After replacement, it is strictly recommended to disconnect the battery for 10 minutes (hard reset) in order to force the automatic calibration procedure and determine the flap end points.

in Nissan Infiniti FX35 (2005-2015)

Symptoms

Different temperature on both sides of the cabin
No blowing from vents
Clicking or rattling behind dashboard
A/C does not react to control panel settings

DTC error codes

B1081

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Technical diagnosis (Premium)

Recognized technical fault:

Auxiliary controller voltage instability detected

Technical analysis

Detailed analysis of HVAC controller operation parameters, CAN bus data readings, and diagnostic signal waveforms. Purchase PRO access or log in to read the full fault analysis.

Confirmed solution

Complete step-by-step repair procedure including module non-volatile memory reset, sensor calibration, and correct wiring routing. Unlock the full report to see the instruction.

Parts needed

Filters ferrite anti-interference / noise suppressor
Auxiliary starting battery (depending on cell status)

Workshop hacks

Important workshop tips for mechanics regarding bypasses without expensive control module replacement and manufacturer software service bulletins.

TSB / TPI service bulletins

TSB-24-HVAC-01TPI-2068943/2

A/C Technical Specifications

Refrigerant specifications for this model are available in the catalog.

Open refrigerant database

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