Component Inspection

Check IMS
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Substitute with a known-good IMS and Check if the DTC is erased.
4. Is the DTC erased?
  YES
  
  Substitute with a known-good IMS and check for proper operation.
  
  If the problem is corrected, replace IMS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  
  NO
  
  Go to " 2Check rear height motor" procedure.
Check rear height motor
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Select 'ACTUATION TEST' mode on scantool and press [F1] to start
  
  Fig 1: Diagnosis Tool Display - ACTUATION TEST
  Courtesy of HYUNDAI MOTOR CO.
4. Does rear height motor work properly?
  YES
  
  Go to " 3Check rear height sensor" procedure.
  
  NO
  
  Substitute with a known-good power seat slide motor and check for proper operation. If the problem is corrected, replace power seat slide motor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check rear height sensor
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Measure waveform between terminal "10" of IMS and chassis ground. While operating power seat recline switch.
  Specification : Refer the specifications in fig2 (6 pulses or more in 1 sec)
  
  Fig 2: Measuring Waveform Between Terminal "10" Of IMS And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
  
  Fig 3: Signal Waveform Of Rear Height Sensor
  Courtesy of HYUNDAI MOTOR CO.
4. Is the measured voltage within specifications in fig5)?
  YES
  
  Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  
  NO
  
  Substitute with a known-good power seat slide sensor and check for proper operation. If the problem is corrected, replace power seat slide sensor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.