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Home >> Ford >> 2018 >> Expedition SSV, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Rear Climate Control System) >> Description And Operation >> Rear Climate Control - System Operation and Component Description >> System Operation >> Network Message Chart
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Network Message Chart

WARNING: This page is about a different car, the 2018 Lincoln Navigator. 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
Climate control button status FCIM This message contains the HVAC climate control settings for the touch screen display

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.
Climate control requests APIM This message contains both the climate control system voice commands as well as all climate control system touchscreen inputs.
Rear climate control function status RHVAC This message contains the rear climate control function status.
A/C clutch status PCM This message contains the status of the A/C compressor clutch.

Module Network Input Messages RHVAC Control Module 

Broadcast Message Originating Module Message Purpose
HVAC rear blower indicator status FCIM This message contains the HVAC rear blower indicator status.
HVAC rear blower status FCIM This message contains the status of the HVAC rear blower.
A/C clutch status PCM This message contains the status of the A/C compressor clutch.