Diagnosis With GDS

The BCM can be diagnosed by using the GDS. The BCM communicates with the GDS which then displays inputs and outputs along with codes. It will be able to diagnose defects of power door lock/unlock with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
To diagnose the SJB function, select the vehicle model, BCM and DDM/ADM.
Select "Input/output monitoring", if you will check current data of power door lock system. It provides input/output status of DDM/ADM.

Fig 1: Display - Input/Output Monitoring Screen
Courtesy of HYUNDAI MOTOR AMERICA
To perform functional test on SJB outputs, select "Actuation Test".

Fig 2: Display - Actuation Test Screen
Courtesy of HYUNDAI MOTOR AMERICA