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Home >> Hyundai >> 2008 >> Tucson GLS, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Transfer Case Assembly) >> DTC Troubleshooting Procedure >> DTC P1765 Torque Reduction Abnormal >> Signal Circuit Inspection

Signal Circuit Inspection

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  1. IG KEY OFF, ENG OFF
  2. 4WD ECM connector and TCS module: Disconnect.
  3. Measure resistance between terminal 5 of 4WD ECM harness connector and terminal 11 of TCS control module harness connector.
  4. Measure resistance between terminal 4 of 4WD ECM harness connector and terminal 10 of TCS control module harness connector.

    Specification: Approx. ∞Ω

    Is resistance display near the specified value?

    YES  : --> Replace with normal TCS control module temporarily and check if vehicle runs normally. If trouble disappears, replace TCS control module.

    --> If problem is solved, go to the "VERIFICATION OF VEHICLE REPAIR ".

    NO  : --> Repair open circuit.

    --> If problem is solved, go to the "VERIFICATION OF VEHICLE REPAIR ".

    Fig 1: 4WD ECM And TCS Open Circuit Diagram
    G04811056Courtesy of HYUNDAI MOTOR CO.