Component Inspection

LIN communication line waveform check
1. IG "OFF".
2. Connect probe to battery sensor to check signal waveform by using oscilloscope function.
3. IG "ON" and monitor signal waveform.
  Specification: Signal waveform will be displayed as Signal Waveform & Data
  
  Fig 1: Checking LIN Communication Line Waveform
  Courtesy of HYUNDAI MOTOR AMERICA
4. Is the measured signal waveform O.K?
  YES
  
  Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  
  NO
  
  Substitute with a known - good battery sensor and check for proper operation. If the problem is corrected, replace battery sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.