PSM Signal Circuit Inspection

Check CAN High Line
1. IG "ON" & ENG "OFF".
2. After connect GDS, select "Oscilloscope" mode.
3. Measure the signal waveform on PSM CAN High line.
  Specification: Refer to "Signal Waveform "
  
  Fig 1: Measuring Signal Waveform On PSM CAN High Line
  Courtesy of HYUNDAI MOTOR AMERICA
  
  Fig 2: Power Seat Module And Intelligent Integrated Platform Module Connector Terminals
  Courtesy of HYUNDAI MOTOR AMERICA
4. Does the measured signal waveform follow the specification?
YES
- Go to "CAN Low Line Inspection" procedure below.
NO
- Check short to battery or ground. Repair as necessary and go to "Verification of Vehicle Repair " procedure.
Check CAN Low Line
1. IG "ON" & ENG "OFF".
2. After connect GDS, select "Oscilloscope" mode.
3. Measure the signal waveform on PSM CAN Low line.
  Specification: Refer to "Signal Waveform "
  
  Fig 3: Measuring Signal Waveform On PSM CAN Low Line
  Courtesy of HYUNDAI MOTOR AMERICA
  
  Fig 4: Power Seat Module And Intelligent Integrated Platform Module Connector Terminals
  Courtesy of HYUNDAI MOTOR AMERICA
4. Does the measured signal waveform follow the specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Check short to battery or ground. Repair as necessary and go to "Verification of Vehicle Repair " procedure.