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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 90 (Immobilizer System Diagnosis (HEV)) >> DTC P1690: Immobilizer-Smartra No Response >> W/Harness Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

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  1. Check for open in ground harness.
    1. Ignition "OFF".
    2. Disconnect SMARTRA connector.
    3. Measure resistance between ground terminal of SMARTRA harness and chassis ground.

      Specification:  1 Ω or less

      Fig 1: I/P Junction Box Circuit Diagram
      G10602972Courtesy of HYUNDAI MOTOR AMERICA
      Fig 2: Immobilizer Module Terminals
      G10602973Courtesy of HYUNDAI MOTOR AMERICA
    4. Is the measured resistance within specifications?

      YES 

      NO