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Introduction
The Climate Control Unit (CCU) of the NSX suffers from aging capacitors the same way as many other ECUs in the vehicle. It's often the first ECU experiencing problems. It typically takes about 25 years to manifest itself but high temperature and humidity can cause issues to appear even earlier.
A capacitor replacement should be performed as a precautionary measure even if no problems have been observed yet.

Diagnostic
Typical symptoms are a cabin fan that ...

Introduction
The Climate Control Unit (CCU) of the NSX controls heating, cooling and ventilation of the passenger cabin. It utilizes several electrical sensors and actuators across the vehicle to do so:

Sensors

Actuators

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