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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 84 (HEV Control System Diagnosis (HEV)) >> DTC P0842: Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

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■ Check Short to Ground in Harness 

  1. Ignition "OFF".
  2. Disconnect Engine Clutch Pressure Sensor and HCU main harness connector.
  3. Measure resistance between Signal terminal of HCU harness connector and chassis ground.

    Specification  : Infinity

    Fig 1: Pressure Sensor Circuit Diagram
    G10602133Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured resistance within specifications?

    YES 

    • Go to Next procedure.

    NO