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Home >> Ford >> 2020 >> Fusion Titanium Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 49 (Climate Control System - General Information (1 Of 2) (Except Hybrid)) >> Description And Operation >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> Component Description >> Cabin Heater Coolant Pump - vehicles equipped with Auto-Start-Stop

Cabin Heater Coolant Pump - vehicles equipped with Auto-Start-Stop

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The cabin heater coolant pump is available on vehicles equipped with Auto-Start-Stop feature only. The cabin heater coolant pump provides coolant to the heater core whenever the HVAC system requests heat and the vehicle is in Auto-Start-Stop mode. Refer to the Owner's Literature, Unique Driving Characteristics, for full Auto-Start-Stop enabling/disabling information.

The PCM sends a PWM signal to the cabin heater coolant pump based upon the:

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