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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (2 Of 4)) >> DTC/Circuit Diagnosis >> DTC P0196: EOT Sensor >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 

    If DTC P0196 is displayed with DTC P0197 or P0198, first perform the trouble diagnosis for DTC P0197 or P0198.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. INSPECTION START 

    Is it necessary to erase permanent DTC?

    YES

    GO TO 7.

    NO

    GO TO 3.

  3. 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.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-1 
    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Start engine and let it idle for 5 minutes and 10 seconds.
    6. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Proceed to DTC Diagnosis Procedure .

    NO

    GO TO 5.

  5. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-2 

    SYMBOL With CONSULT

    1. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
    2. Check that "COOLAN TEMP/S" indicates above 80 deg. C (176 deg. F).

      If it is above 80 deg. C (176 deg. F), go to the following steps.

      If it is below 80 deg. C (176 deg. F), warm engine up until "COOLAN TEMP/S" indicates more than 80 deg. C (176 deg. F). Then perform the following steps.

    3. Turn ignition switch OFF and soak the vehicle in a cool place.
    4. Turn ignition switch ON.
      NOTE: Do not turn ignition switch OFF until step 9.
    5. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
    6. Check the following.

      COOLAN TEMP/S

      Below 40 deg. C (104 deg. F)

      INT/A TEMP SE

      Below 40 deg. C (104 deg. F)

      Difference between "COOLAN TEMP/S" and "INT/A TEMP SE"

      Within 6 deg. C (11 deg. F)

      If they are within the specified range, perform the following steps.

      If they are out of the specified range, soak the vehicle to meet the above conditions. Then perform the following steps.

      NOTE:
      • Do not turn ignition switch OFF.
      • If it is supposed to need a long period of time, do not deplete the battery.
    7. Start engine and let it idle for 5 minutes.
    8. Check 1st trip DTC.

    SYMBOL With GST

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected?

    YES

    Proceed to DTC Diagnosis Procedure .

    NO

    GO TO 6.

  6. PERFORM COMPONENT FUNCTION CHECK (FOR MALFUNCTION B) 

    Perform component function check. Refer to Component Inspection .

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

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to DTC Diagnosis Procedure .

  7. 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.

    TESTING CONDITION:

    • Before performing the following procedure, do not add fuel.
    • Before performing the following procedure, check that fuel level is between 1/4 and 4/4.
    • Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

    GO TO 8.

  8. PERFORM DTC CONFIRMATION PROCEDURE B 
    1. Move the vehicle to a cool place.
      NOTE: Cool the vehicle in an environment of ambient air temperature between -10 deg. C (14 deg. F) and 35 deg. C (95 deg. F).
    2. Turn ignition switch OFF and leave the vehicle for 12 hours.
      CAUTION: Never turn ignition switch ON during this procedure.
      NOTE: The vehicle must be cooled with the hood open.
    3. Start engine and let it idle for 5 minutes or more.
      CAUTION: Never turn ignition switch OFF during idling.
    4. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Proceed to DTC Diagnosis Procedure .

    NO

    INSPECTION END

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