The Lexus RX350 Blower Motor forces heated or cooled air through the cabin, allowing drivers to clear foggy glass or beat back the summer heat in no time. Positioned inside the HVAC system and connected to a small electronic control module, it drives a fan whose movement you control with dash mounted controls that are located within easy reach. In every Lexus crossover year, the function of that module is to receive the signals from simple knobs or buttons and to adjust the voltage to the Blower Motor and increase or decrease the airflow in seconds. Earlier RX350 models and current RX350 versions continue this electric design as opposed to older cable driven styles that were fitted in some vehicles, with the differences being whether a single or dual fan setup is fitted, larger cabins sometimes being fitted with a second motor for rear passengers. When wiring fails, when the module or the physical switches fail, the Lexus climate system may freeze at one speed or stop entirely, instantly reminding RX350 owners of the central role the Blower Motor plays in comfort. A healthy Lexus circuit allows the Blower Motor to ramp from a soft whisper to maximum blast to make temperature control almost effortless and routine use of the Blower Motor keeps interior air moving throughout every drive.
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