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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 471 (Climate Control System - General Information And Diagnostics) >> Description And Operation >> Climate Control System >> Climate Control System - Vehicles With: Electronic Automatic Temperature Control (EATC) - System Operation and Component Description >> Component Description >> Blower Motor speed control

Blower Motor speed control

WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

The blower motor speed control uses a PWM signal from the HVAC control module to determine the desired blower speed and varies the ground feed for the blower motor to control the speed.