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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 76 (Auto Headlamp Leveling System Diagnosis (HEV)) >> DTC C1620: First Setup Not Completed >> Scantool Diagnostics

Scantool Diagnostics

WARNING: This page is about a different variant/trim than selected.
  1. Connect scantool with Diagnostic Connector.
  2. Perform vehicle selection and Level Initialization with scantool as follows. And then, check "Actuator" parameter on scantool (It must be unloaded vehicle condition)

    Specification:  80% ± 2%

    Fig 1: Screen Display - Vehicle Selection And Level Initialization
    G10602925Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Screen Display - Key ON-Normal Current Data
    G10602926Courtesy of HYUNDAI MOTOR AMERICA
  3. Are "Vehicle selection & Level Initialization" and current data normal?

    YES 

    NO 

    • Substitute with a known-good "AHLS-ECM (SENSOR)" and check for proper operation. If the problem is corrected, replace "AHLS-ECM (SENSOR)" and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    • After its repair done, Perform the lamp actuation by GDS in order to verify its normal operation.
    CAUTION: Perform Vehicle Selection and Level Initialization with scantool if AHLS ECM is replace. (Auto Levelling Sensor)
    Fig 3: Screen Display - Vehicle Selection And Leveling Initialization 1
    G10602927Courtesy of HYUNDAI MOTOR AMERICA
    Fig 4: Screen Display - Vehicle Selection And Leveling Initialization 2
    G10602928Courtesy of HYUNDAI MOTOR AMERICA
    Fig 5: Screen Display - Vehicle Selection And Leveling Initialization 3
    G10602929Courtesy of HYUNDAI MOTOR AMERICA
    Fig 6: Screen Display - Vehicle Selection And Leveling Initialization 4
    G10602930Courtesy of HYUNDAI MOTOR AMERICA