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Home >> Ford >> 2014 >> Fiesta ST >> Repair and Diagnosis >> External Pages >> Different car >> Section 233 (Climate Control System - General Information) >> Description And Operation >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> Network Message Chart
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Network Message Chart

WARNING: This page is about a different car, the 2015 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

Module Network Input Messages - Powertrain Control Module (PCM) 

Broadcast Message Originating Module Message Purpose
A/C request IPC This message requests the A/C compressor to be engaged.
Evaporator temperature IPC This message contains the evaporator temperature. The PCM uses the evaporator temperature to cycle the A/C compressor clutch.
Ambient air temperature IPC This message contains raw value from the Ambient Air Temperature (AAT) sensor.