Network Message Chart

WARNING: This page is about a different car, the 2017 Ford Police Interceptor Utility and 2017 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Module Network Input Messages - APIM

Broadcast Message	Originating Module	Message Purpose
Driver temperature setting	Front Controls Interface Module B (FCIM-B)	This message contains the HVAC temperature setting for the touch screen display.
Front blower request	Front Controls Interface Module B (FCIM-B)	This message contains the HVAC blower motor setting for the touch screen display.
Driver temperature units	HVAC control module	This message contains the HVAC driver temperature setting.
Passenger temperature units	HVAC control module	This message contains the HVAC passenger temperature setting.
Front fan bar display	HVAC control module	This message contains the HVAC blower motor setting.
Outside Air Temperature	HVAC control module	This message contains the Ambient Air Temperature information for the FDIM touchscreen outside air temperature display.

Module Network Input Messages - Front Controls Interface Module B (FCIM-B)

Broadcast Message	Originating Module	Message Purpose
Climate control touchscreen and voice requests	APIM	This message contains both the climate control system voice commands as well as all climate control system touch screen inputs.
Climate control status	HVAC control module	This message contains the HVAC mode status for the mode indicators.

Module Network Input Messages - HVAC control module

Broadcast Message	Originating Module	Message Purpose
Climate control requests	Front Controls Interface Module B (FCIM-B)	This message contains all climate control system controls requests except blower motor speed.
Climate control seat requests	Front Controls Interface Module B (FCIM-B)	This message contains the climate control system controls request for blower motor speed.
Climate control information status	Front Controls Interface Module B (FCIM-B)	This message contains the climate control system controls request from the MyTemp button.
Remote start status	BCM	This message contains the climate control system controls request for remote start.
A/C clutch status	PCM	This message contains the A/C compressor clutch status.
Ambient air temperature	PCM	This message contains raw value from the ambient temperature sensor.

Module Network Input Messages - PCM

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