Body Control Module: Service and Repair

Replacement

1. Disconnect the negative (-) battery terminal.
2. Remove the crash pad lower panel (A). Avoid damaging retaining clip.





3. Remove the body control module (A) and antenna cable after loosening 3 bolts and disconnecting connector.




4. Installation is the reverse of removal.

Inspection

BCM Connectors










BCM Input/output Specification
Connector A





Connector B









Connector C





Connector D






BCM Current Data
The body control module can diagnose with the diagnosis tool more quickly.
The BCM communicates with the diagnosis tool and then reads the input/output value and drives the actuator.
Input/output Value










BCM Actuator Operation
SCAN tool can operates all actuators controlled by BCM by force.






BCM Diagnosis With Scan Tool
1. It will be able to diagnose defects of BCM with scan tool quickly. Scan tool can operates actuator forcefully, input/output value monitoring and self diagnosis.
2. Select model and menu.




3. Select "Current data", if you will check current data of BCM. It provides power supply status, multi function status, lamp status, door status, lock system status, wiper, auto light status and so on.








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








5. You can turn ON/OFF as below option function with the user option program.
(1) LOCK / UNLOCK confirming alarm: Alarm sound ON/OFF control when you LOCK/UNLOCK doors with transmitter.
(2) Mechanical LOCKING system: Arm/Disarm ON/OFF when you lock the door with the mechanical key.
(3) AUTO DOOR LOCK/UNLOCK system ON/OFF.
A. Vehicle speed gearing AUTO DOOR LOCK (more than 20km/h)
B. AUTO DOOR LOCK non application
C. Shift lever gearing AUTO DOOR LOCK
D. Driver seat AUTO DOOR LOCK
E. AUTO DOOR UNLOCK non application
F. All doors UNLOCK in the case of driver door UNLOCK
G. All doors UNLOCK in the case of IGN key separation.
(4) Riding & Getting off gearing
A. Seat installation state ON/OFF
B. Seat riding & getting off gearing ON/OFF
C. Column installation state ON/OFF
D. Column riding & getting off gearing ON/OFF

User Option Mode
The BCM offers 3 items user option mode for a user convenience (AUTO DOOR LOCK, ARM/DISARM BY KEY, HORN ANSWER BACK)
- It is able to set up the enable or disable of AUTO DOOR LOCK function or AUTO DOOR LOCK operation vehicle speed when using it.
- It is able to set up the enable or disable of enter the burglar alarm mode when using door lock by the key.
- It is able to set up the enable or disable of horn inform function when using door lock by the key or RKE.
1. Select option "SANTAFE(CM)" and press ENTER.
2. Select option "BODY CONTROL MODULE" and press ENTER.




3. Select option "USER OPTION" and press ENTER.




4. Select option "AUTO DOOR LOCK STATUS by using the direction button(UP / DOWN).
5. Select the parameter by using the direction button(LEFT / RIGHT) and press ENTER to save it.
(Disable / 5km/h / 10km/h / 15km/h / 20km/h / 25km/h /30km/h / 35km/h / 40km/h)




6. Select option "ARM/DISARM BY KEY(+RKE)" by using the direction button(UP / DOWN).
7. Select the parameter by using the direction button(LEFT / RIGHT) and press ENTER to save it.
(Disable / Enable)
8. Select option "HORN ANSWER BACK (+RK)" by using the direction button(UP / DOWN).
9. Select the parameter by using the direction button (UP / DOWN) and press ENTER to save it (Disable/Enable)