SCM Signal Circuit Inspection

1. IG "ON" & ENG "OFF".
2. After connect GDS, select "Oscilloscope" mode.
3. Measure the signal waveform on SCM CAN High line.

   Specification:  Refer to "Signal Waveform "

   Fig 1: Measuring Signal Waveform On SCM CAN High Line

   Courtesy of HYUNDAI MOTOR AMERICA
   Fig 2: Steering Control 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.

1. IG "ON" & ENG "OFF".
2. After connect GDS, select "Oscilloscope" mode.
3. Measure the signal waveform on SCM CAN Low line.

   Specification:  Refer to "Signal Waveform "

   Fig 3: Measuring Signal Waveform On SCM CAN Low Line

   Courtesy of HYUNDAI MOTOR AMERICA
   Fig 4: Steering Control 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.