Lincoln Navigator: Information and Entertainment System - General Information - Vehicles With: SYNC 4 / Rear Audio Control Module (RACM). Removal and Installation
Special Tool(s) /
General Equipment
Removal
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NOTE:
If installing a new module, it is necessary to
upload the module configuration information to the scan tool prior to
removing the module. This information must be downloaded into the new
module after installation.
Using a diagnostic scan tool, begin the PMI process for the RACM following the onscreen instructions.
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Release the clips and remove the front floor console trim panel.
Use the General Equipment: Interior Trim Remover
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Remove the bolts.
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Position the floor console armrest.
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On both sides
Release the clips and remove the floor console finish panel.
Use the General Equipment: Interior Trim Remover
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Remove the RH floor console vent cover.
Use the General Equipment: Interior Trim Remover
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Remove the LH floor console vent bolt cover and bolt.
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Remove the LH floor console vent.
Use the General Equipment: Interior Trim Remover
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On both sides
Release the clips and remove the floor console side trim panel.
Use the General Equipment: Interior Trim Remover
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NOTE:
Position the front seats as necessary to access the bolts.
Remove the bolts.
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Release the clips and position the floor console rear trim panel out.
Use the General Equipment: Interior Trim Remover
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Disconnect the electrical connectors and remove the floor console rear trim panel.
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Remove the screws and the RACM .
Installation
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To install, reverse the removal procedure.
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NOTE:
Carry out this step only if the RACM is being replaced.
Using a diagnostic scan tool, complete the PMI process for the RACM following the on-screen instructions.
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Lower the headliner.
Refer to: Headliner - Lowering (501-05 Interior Trim and Ornamentation, Removal and Installation)...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
All door speakers
Remove the rear door trim panel...
Other information:
System Operation
BCM
The BCM controls various systems by monitoring inputs from switches,
sensors and network messages from other modules on the HS-CAN1 and from
the GWM . Based on the received inputs, the BCM activates outputs. For
example, the BCM monitors the headlamp switch position...
System Operation
Power Running Board (PRB) Controls
Network Message Chart
Module Network Input MessagesRBM
Broadcast Message
Originating Module
Message Purpose
Driver door ajar status
BCM
This message is sent to the GWM and then to the RBM ...