Nissan Sentra manuals

Nissan Sentra B18 (2020-2025) Service Manual: Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK VEHICLE SPECIFICATION

    1. Check vehicle specification.

    >>

    GO TO 2.

  2. PERFORM SELF DIAGNOSTIC RESULT

      1. Ignition switch ON.

      2. Select “Self Diagnostic Result” mode of "CHASSIS CONTROL".

    Is any DTC detected?

    YES >>

    Check the DTC. Refer to DTC Index.

    NO >>

    GO TO 3.

  3. CHECK CONNECTOR AND TERMINAL

      1. Ignition switch OFF.

      2. Disconnect chassis control module harness connector.

      3. Disconnect EPS control unit harness connector.

      4. Check the connector for disconnection or looseness.

      5. Check the pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal?

    YES >>

    GO TO 4.

    NO >>

    Repair or replace harness, connector, or terminal, securely lock the connector.

  4. PERFORM SELF DIAGNOSTIC RESULT

    1. CONSULT

      1. Connect chassis control module harness connector.

      2. Connect EPS control unit harness connector.

      3. Ignition switch ON.

      4. Erase "Self Diagnostic Result" mode of "EPS/DAST 3".

      5. Ignition switch OFF and wait for at least 10 seconds.

      6. Ignition switch ON.

      7. Select “Self Diagnostic Result” mode of “EPS/DAST 3”.

    Is DTC “C161C-83” detected?

    YES >>

    EPS control unit is malfunctioning. Replace steering gear column assembly. Refer to Removal and Installation.

    NO >>

    Inspection End.

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