Hyundai Sonata: Power Door Lock Relay. Repair procedures - Power Door Locks - Body Electrical SystemHyundai Sonata: Power Door Lock Relay. Repair procedures

Inspection

1.
Disconnect the negative (-) battery terminal.
2.
Remove the junction box.
3.
Check for continuity between the terminals.
[Front]

[Rear]
Door Lock
1.
There should be continuity between the No.38 terminal in the I/P-E and No.21(or 34) terminal in the I/P-A when power and ground are connected to the No.38 terminal in the I/P-E and ground.
2.
There should be no continuity between the No.38 terminal in the I/P-E and No.21(or 34) terminal in the I/P-A when power is disconnected.
Door Unlock
1.
There should be continuity between the No.38 terminal in the I/P-E and No.22(or 35) terminal in the I/P-A when power and ground are connected to the No.38 terminal in the I/P-E and ground.
2.
There should be no continuity between the No.38 terminal in the I/P-E and No.22(or 35) terminal in the I/P-E when power is disconnected.
Trunk Lid Open
1.
There should be continuity between the No.1 terminal in the I/F-C and No.36 terminal in the I/F-A when power and ground are connected to the No.1 terminal in the I/F-C and ground.
2.
There should be no continuity between the No.1 terminal in the I/F-C and No.36 terminal in the I/F-A when power is disconnected.
Diagnosis With GDS
1.
It will be able to diagnose defects of power door lock with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
2.
Select model and "BCM".
3.
Select the "SJB" to check.
4.
Select "Current data", if you will check current data of power door lock system. It provides input/output status of SJB.
5.
If you will check the power door lock operation forcefully, select "Actuation test".

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