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

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   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.

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

YES 

• Go to "COMPONENT INSPECTION " procedure.

NO 

• Check short to battery or ground. Repair as necessary and go to "Verification of Vehicle Repair " procedure.