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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0117: Engine Coolant Temperature Circuit Low Input >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

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  1. Ignition "OFF".
  2. Disconnect ECTS connector and PCM connector.
  3. Measure the resistance between signal terminal of ECTS harness connector and chassis ground.

    Specification:  Infinite

    Fig 1: Measuring Resistance Between Signal Terminal Of ECTS Harness Connector And Chassis Ground
    G10606417Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the resistance within the specification?

    YES 

    NO