Component Inspection

Headrest Motor Check
1. Connect scantool.
2. IG "ON" & ENG "OFF".
3. Select "Actuation Test" mode.
4. Execute "Seat Headrest Motor (UP, DOWN)" test.
  Specification : Turned to pressed direction
  
  Fig 1: Display - Power Seat Headrest Motor Position Sensor Signal Waveform
  Courtesy of HYUNDAI MOTOR AMERICA
5. Is motor working normal?
  YES
  - Go to "W/HARNESS INSPECTION " procedure.
  NO
  - Go to next procedure.
Check switch
1. IG "ON" & ENG "OFF".
2. After connect GDS, select "Current Date" menu.
3. Check whether "Headrest Switch" is turned to "ON" when the control switch is pressed (UP, DOWN).
  Specification : Service data is switched. (ON ↔ OFF)
  
  Fig 2: Display - Headrest Motor Current Data (Maximum Value At Up Side End Position)
  Courtesy of HYUNDAI MOTOR AMERICA
  
  Fig 3: Display - Headrest Motor Current Data (Maximum Value At Down Side End Position)
  Courtesy of HYUNDAI MOTOR AMERICA
  
  Fig 4: Display - Headrest Up/Down Actuation Test
  Courtesy of HYUNDAI MOTOR AMERICA
4. Is the service data normal?
  YES
  - Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.
  NO
  - Substitute with a known - good component and check for proper operation.
    If the problem is corrected, replace the component and go to "VERIFICATION OF VEHICLE REPAIR " procedure.