Power Door Lock

Lock function works but unlock function does not interlock.
- Since door unlock relay has failed, replace the door unlock relay.
Unlock function works but lock function does not interlock.
- Since door lock relay has failed, replace the door lock relay.
When passenger side knob is controlled, all doors interlock, but when driver side knob is controlled, all doors do not interlock.

Fig 1: Passengers Actuator Operation Troubleshooting Flow Chart
Courtesy of HYUNDAI MOTOR CO.
When passenger side knob is controlled. All doors interlock. But when the driver side knob is controlled, all doors do not interlock.

Fig 2: Drivers Actuator Operation Troubleshooting Flow Chart
Courtesy of HYUNDAI MOTOR CO.
Both sides do not interlock either.

Fig 3: Both Sides Do Not Interlock Troubleshooting Flow Chart
Courtesy of HYUNDAI MOTOR CO.