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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 579 (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 2017 Lincoln Navigator and 2017 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.