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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2408 (Engine Control System - DTCS P0181 To P0550 (VK56DE)) >> DTC P0181: FTT Sensor >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECONDITIONING

    If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-I
    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Proceed to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 3.

  3. CHECK ENGINE COOLANT TEMPERATURE

    With CONSULT

    1. Select "COOLAN TEMP/S" in "DATA MONITOR" with CONSULT.
    2. Check "COOLAN TEMP/S" value.

    With GST

    Follow the procedure "With CONSULT" above.

    "COOLAN TEMP/S" less than 60°C (140°F)? 

    YES: INSPECTION END

    NO: GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-II

    With CONSULT

    1. Cool engine down until "COOLAN TEMP/S" is less than 60°C (140°F).
    2. Wait at least 10 seconds.
    3. Check 1st trip DTC.

    With GST

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected? 

    YES: Proceed to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 5.

  5. PERFORM COMPONENT FUNCTION CHECK (FOR MALFUNCTION B)

    Perform component function check. Refer to "COMPONENT FUNCTION CHECK ".

    NOTE: Use the component function check to check the overall function of the FTT sensor circuit. During this check, a 1st trip DTC might not be confirmed.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Proceed to "DIAGNOSIS PROCEDURE ".