Lincoln Aviator 2020-2024 Service Manual / Electrical / Instrumentation and Warning Systems / Pedestrian Alert System / Description and Operation - Pedestrian Alert System - System Operation and Component Description

Lincoln Aviator: Pedestrian Alert System / Description and Operation - Pedestrian Alert System - System Operation and Component Description

System Operation

System Diagram


Item Description
1 PACM
2 PCM
3 IPC
4 Rear sounder
5 BCM
6 SOBDMC
7 Front sounder

Network Message Charts

  Module Network Input Messages - PACM


Broadcast Message Originating Module Message Purpose
Factory mode   BCM Controls the pedestrian alert system based on the vehicle build status set in factory mode.
Ignition status   BCM Ignition RUN, START and accessory states required for the PACM operating modes and fault reporting.
Power pack status   SOBDMC Determines the HEV operational state.
Reverse gear state   PCM Determines reverse gear state.
Transport mode   BCM Controls the pedestrian alert system based on the vehicle build status set in transport mode.
Vehicle speed   PCM Engages the sounder between 0-30 km/h (0-8 mph).

  Module Network Input Messages - IPC


Broadcast Message Originating Module Message Purpose
Pedestrian alert fault   PACM Displays the pedestrian sounder fault warning message.

Pedestrian Alert System

The pedestrian alert system provides an audible alert when the vehicle is moving in forward or reverse between 0-30 km/h (0-8 mph). The PACM receives all network messages required to operate the system over the HS-CAN1.

In the event of a system fault, the IPC message center displays the Pedestrian Alert Fault Service Now warning message in the message center. The IPC receives the pedestrian alert fault message from the GWM over the HS-CAN3. The GWM receives the pedestrain alert fault message from the PACM over the HS-CAN1.

Component Description

PACM

The PACM controls the pedestrian alert system and is capable of setting Diagnostic Trouble Codes (DTCs) when a fault condition is detected. The PACM requires PMI when replaced.

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    Categories

    Remote Control

    Passive Key

    Lincoln Aviator. Remote Control

    The passive key operates the power locks and the remote start system. The passive key must be in your vehicle to use the push button start.

    Note: You may not be able to shift out of park (P) unless the passive key is inside your vehicle.

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