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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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