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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2405 (Engine Control System - DTCS U0101 To P0175 (VK56DE)) >> DTC P0133, P0153: A/F Sensor 1 >> 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.
NOTE: If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next step.
  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 more than 11 V at idle  .

WITH CONSULT

  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 keep the engine speed between 3, 500 and 4, 000 RPM for at least 1minute under no load.
  6. Let engine idle for 1 minute.
  7. Select "A/F SEN1(B1) P1278/P1279" (for DTC P0133) or "A/F SEN1(B2) P1288/P1289" (for DTC P0153) of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT.
  8. Touch "START".

    If "COMPLETED" appears on CONSULT screen, go to step  10.

    If "COMPLETED" does not appear on CONSULT screen, go to the following step.

  9. After perform the following procedure, "TESTING" will be displayed on the CONSULT screen.
    1. Increase the engine speed up to between 4, 000 and 5, 000 RPM and maintain that speed for 10 seconds.
    2. Fully release accelerator pedal and then let engine idle for approximately 10 seconds.

    If "TESTING" is not displayed after 10 seconds, go to  "INSPECTION PROCEDURE ".

  10. Wait for approximately 20 seconds at idle under the condition that "TESTING" is displayed on the CONSULT screen.
  11. Check that "TESTING" changes to "COMPLETED".

    If "TESTING" changed to "OUT OF CONDITION", go to  "INSPECTION PROCEDURE ".

  12. Check that "OK" is displayed after touching "SELF-DIAG RESULT".

If "NG" is displayed, go to "DIAGNOSIS PROCEDURE ".

WITH GST

  1. Start engine and warm it up to normal operating temperature.
  2. Select Service $01 with GST.
  3. Calculate the total value of "Short-term fuel trim" and "Long-term fuel trim" indications.

    Check that the total percentage should be within ± 15%.

    If OK, go to the following step.

    If NG, check the following.

    • Intake air leakage
    • Exhaust gas leakage
    • Incorrect fuel pressure
    • Lack of fuel
    • Fuel injector
    • Incorrect PCV hose connection
    • PCV valve
    • Mass air flow sensor
  4. Turn ignition switch OFF and wait at least 10 seconds.
  5. Turn ignition switch ON.
  6. Turn ignition switch OFF and wait at least 10 seconds.
  7. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at least 1minute under no load.
  8. Let engine idle for 1 minute.
  9. Increase the engine speed up to between 4, 000 and 5, 000 RPM and maintain that speed for 10 seconds.
  10. Fully release accelerator pedal and then let engine idle for approximately 1 minute.
  11. Select Service $07 with GST.

    If the 1st trip DTC is displayed, go to "DIAGNOSIS PROCEDURE ".

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