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Home >> Ford >> 2017 >> Transit Connect Titanium >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Rear Climate Control System >> Description And Operation >> Rear Climate Control - System Operation and Component Description >> System Operation >> Network Message Charts

Network Message Charts

Module Network Input Messages - PCM 

Broadcast Message Originating Module Message Purpose
A/C request BCM This message requests the A/C compressor clutch to be engaged.
Evaporator temperature BCM This message contains the evaporator temperature sensor information in degrees Celsius. The PCM uses the evaporator temperature to cycle the A/C compressor clutch.

Module Network Input Messages - BCM 

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