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Home >> Ford >> 2019 >> Edge ST >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - General Information (1 Of 2) >> Description And Operation >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> Network Message Chart

Network Message Chart

Module Network Input Messages PCM 

Broadcast Message Originating Module Message Purpose
HVAC A/C request FCIM This message requests the A/C compressor to be engaged.
Evaporator temperature FCIM This message contains the evaporator temperature. The PCM uses the evaporator temperature to determine the A/C compressor output.

Module Network Input Messages FCIM 

Broadcast Message Originating Module Message Purpose
Ambient air temperature PCM This message contains raw value from the ambient air temperature sensor.
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