HS-CAN Module Communication Message Chart

NOTE: While there are numerous messages internal to the HUD module, the following messages are utilized by the forward collision warning system in conjunction with outside systems.

HS-CAN MODULE COMMUNICATION MESSAGE CHART

Broadcast Message	Originating Module	Receiving Module(s)
Forward collision audio mute	C-CM	IPC
Forward collision avoidance brake request	C-CM	ABS module Restraints Control Module (RCM)
Forward collision avoidance brake status	ABS module	C-CM
Forward collision avoidance deceleration	C-CM	ABS module RCM
Forward collision warning audio level	C-CM	IPC
Forward collision warning display	C-CM	HUD module
Forward collision warning sensitivity level	C-CM	IPC
Forward collision warning sensitivity level	IPC	C-CM
Head up display intensity	C-CM	HUD module
Head up display flash rate	C-CM	HUD module
Head up display status	HUD module	C-CM
Ignition switch position (gateway)	IPC	HUD module C-CM ABS module
Vehicle type	PCM	ABS module C-CM HUD module IPC