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Hyundai Equus: Body Control Module (BCM) Repair procedures - BCM (Body Control Module) - Body Electrical System - Hyundai Equus VI 2009-2023 Service ManualHyundai Equus: Body Control Module (BCM) Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel after loosening the mounting screws.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the connector, bolt and nuts from smart key unit, BCM and tilt & telescopic unit.

4.
Remove the smart key (A) and BCM unit (B) after loosening bolt and nuts.

Installation
1.
Install the smart key unit and BCM unit and then connect the connectors.
2.
Install the crash pad lower panel.
3.
Connect the negative (-) battery terminal.
Inspection
1.
The body control module can diagnose by using the GDS more quickly.
The BCM communicates with the GDS and then reads the input/output value and drives the actuator.
2.
To diagnose the BCM function, select the menu of model and body control module.

3.
Select "Input/output monitoring", if you will check current data of body network system. It provides input/output status of each module.

4.
If you will check each module data operation forcefully, select "Actuation test".

5.
If you want to change user option, select Уuser optionФ.

    Description and Operation
    Description Communication Network Diagram AbbreviationExplanationC_CANChassis Controller Area NetworkB_CANBody Controller Area NetworkMM_CANMulti media Controller Area NetworkSMKSmart Key UnitDD ...

    IMS (Integrated Memory System)
    ...

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