Hyundai Sonata: Body Control Module (BCM). Repair procedures - BCM (Body Control Module) - Body Electrical SystemHyundai Sonata: Body Control Module (BCM). Repair procedures

Trouble Diagnostics When Using GDS

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.
To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of power supply, turn signal/brake lamp, headlamp, door, locks, outside mirror, wiper, auto-light and transmitters etc.
A.
BCM Service data
B.
CLU(Cluster) Service data
C.
SJB(Smart junction box) Service data
4.
To perform compulsory operation on BCM input factors, select "ACTUATION TEST".

Removal

1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel (A).
3.
Remove the reinforce panel after loosening the mounting bolts.
4.
Remove the body control module after loosening nut (1EA) and screw (1EA) and disconnecting the connectors (A).

Installation

1.
Install the body control module.
2.
Install the reinforce panel.
3.
Install the crash pad lower panel.

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