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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 (HEV Motor System Diagnosis (HEV)) >> DTC P0A39: Generator Temperature Sensor Circuit High >> W/Harness Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

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■ Check for Open in Harness 

  1. Ignition OFF
  2. Disconnect safety plug from the main battery (Wait for more than 5 minutes after disconnecting).
  3. Disconnect Generator (HSG) Temperature Sensor and MCU main harness connector.
  4. Measure resistance between ground terminal of Generator Temperature Sensor harness connector and ground terminal of MCU harness connector.

    Specification:  Below 1Ω

    Fig 1: Measuring Resistance Between Generator Temperature Sensor Harness Connector And MCU Harness Connector
    G10602338Courtesy of HYUNDAI MOTOR AMERICA
  5. Is the measured resistance within specifications?

    YES 

    • Go to Next procedure.

    NO