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Home >> Nissan-Datsun >> 2012 >> Xterra PRO-4X, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0183 >> DTC P0130, P0150: A/F Sensor 1 >> Overall Function Check >> Procedure For Malfunction B

Procedure For Malfunction B

Use this procedure to check the overall function of the A/F sensor 1 circuit. During this check, a 1st trip DTC might not be confirmed.

With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Drive the vehicle at a speed of 80 km/h (50 MPH) for a few minutes in the suitable gear position.
  3. Set D position with "OD" OFF (A/T) or 5th position (M/T), then release the accelerator pedal fully until the vehicle speed decreases to 50 km/h (30 MPH).
    NOTE: Never apply brake during releasing the accelerator pedal.
  4. Repeat steps  2 and 3 for five times.
  5. Stop the vehicle and turn ignition switch OFF.
  6. Turn ignition switch ON.
  7. Turn ignition switch OFF and wait at least 10 seconds.
  8. Restart engine.
  9. Repeat steps  2 and 3 for five times.
  10. Stop the vehicle and connect GST to the vehicle.
  11. Check that no 1st trip DTC is displayed.

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

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