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Home >> Nissan-Datsun >> 2009 >> Versa Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0171 >> DTC P0131 A/F Sensor 1 >> DTC Confirmation Procedure >> With Consult-III

With Consult-III

  1. Start engine and warm it up to normal operating temperature.
  2. Select "A/F SEN1 (B1)" in "DATA MONITOR" mode with CONSULT-III.
  3. Check "A/F SEN1 (B1)" indication.

    If the indication is constantly approx. 0V, go to "DIAGNOSIS PROCEDURE ".

    If the indication is not constantly approx. 0V, go to next step.

  4. Turn ignition switch OFF, wait at least 10 seconds and then restart engine.
  5. Drive and accelerate vehicle to more than 40 km/h (25 MPH) within 20 seconds after restarting engine.
  6. Maintain the following conditions for about 20 consecutive seconds.
    ENG SPEED CONDITION REFERENCE CHART

    ENG SPEED 1, 000 - 3, 200 RPM
    VHCL SPEED SE More than 40 km/h (25 MPH)
    B/FUEL SCHDL 1.5 - 9.0 msec
    Shift lever Suitable position
    NOTE:
    • Keep the accelerator pedal as steady as possible during the cruising.
    • If this procedure is not completed within 1 minute after restarting engine at step  4, return to step  4.
  7. If 1st trip DTC is displayed, go to "DIAGNOSIS PROCEDURE ".
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