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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Autonomous Emergency Braking (AEB) System Diagnosis (HEV) >> DTC C1620-78: Alignment Fail >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Ignition switch 'ON' & Vehicle 'Stop'.
  2. Connect GDS and select "Data Analysis" mode.
  3. Select "Current Data" mode and monitor "Align Status" parameter.
    G13847041Courtesy of HYUNDAI MOTOR AMERICA
    G13847042Courtesy of HYUNDAI MOTOR AMERICA

    Specification of Alight Status: 

    1. Not Executive: Sensor alignment not completed - Perform the sensor alignment.
    2. Success: Sensor alignment completed success.
    3. Time out: Sensor alignment failed. Time exceeded - Perform the sensor alignment again.
    4. Unknown: Sensor alignment failed. The cause unknown - Check the sensor surface status/sensor temperature/voltage status/abnormality in CAN communication.
    5. Target Not Found: Sensor alignment failed. Target unrecognized - Check the Target position.
    6. Horizontal Multiple Target Found: Sensor alignment failed. Multiple targets recognized (horizontal) - Check for the existence of other target in the horizontal direction.
    7. Incorrect Target Range: Sensor alignment failed. Distance error between the sensor and target - Check the distance between the sensor and target.
    8. Target Angle Deviation: Sensor alignment failed. Target shake - Check the installation status of target.
    9. Horizontal Bad Angle: Sensor alignment failed. Calibration range exceeded (horizontal) - Check the installation status of SCC Radar.
    10. Vertical Bad Angle: Sensor alignment failed. Calibration range exceeded (vertical) - Check the installation status of SCC Radar.
    11. Market Code Not Correct: Sensor alignment failed. Variant coding input error - Check the local specifications for the relevant vehicle type.
    12. Hardware Failure: Sensor alignment failed. Sensor failure - Need to replace the SCC Radar.
    13. Vertical Multiple Target Found: Sensor alignment failed. Multiple targets recognized (vertical) - Check for the existence of the target in the vertical direction.
  4. Check and repair according to the type of sensor value, perform the "Radar Sensor Alignment" and check if the error code occurs again.
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    G13847044Courtesy of HYUNDAI MOTOR AMERICA
    G13847045Courtesy of HYUNDAI MOTOR AMERICA
  5. Is the DTC present?

    YES 

    • Repair according to the detailed description of failed alignment.
    • Repair or replace as necessary, and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO