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LIN Communication Line Inspection

WARNING: This page is about a different car, the 2017 Hyundai Santa Fe Sport. However, it is still accessible from the selected car via links, so may be relevant.

■ Inspection of LIN communication line between Front Left Side Sensor and BCM [PAS (Parking Assist System)] 

  1. Connect GDS and select "Oscilloscope".
  2. IG ON, ENG OFF and Shift lever D
  3. Set a stuff or obstacle near the Front Left Side Sensor
  4. Measure a waveform of LIN communication line between Front Left Side Sensor and BCM [PAS (Parking Assist System)]

    Specification:  Refer to "SIGNAL WAVEFORM "

  5. Is measured value normal?

    YES 

    • Fault is intermittent caused by BCM [PAS (Parking Assist System)] DTC was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair " procedure.

    NO 

    • Check a circuit between Front Left Side Sensor and BCM [PAS (Parking Assist System)] and poor connection. And then repair or replace as necessary and then go to "Verification of Vehicle Repair " procedure.
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