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Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Power Steering Control System) >> DTC/Circuit Diagnosis >> DTC C1604: Torque Sensor >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TERMINALS AND HARNESS CONNECTORS

    Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair or replace error-detected parts.

  2. PERFORM SELF-DIAGNOSIS

    With CONSULT 

    1. Erase self-diagnostic results for "EPS".
    2. Turn the power switch OFF, and then wait 10 seconds and more.
    3. Turn the power switch OFF to ON.
    4. Perform self-diagnosis for "EPS".

      Is DTC "C1604" detected? 

      YES: Torque sensor is malfunctioning. Replace steering column assembly. Refer to "REMOVAL AND INSTALLATION ".

      NO: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

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