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 Waveform
  Courtesy of HYUNDAI MOTOR CO.
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.