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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1143: Ho2S1 Lean Shift Monitoring - Bank 1 Or DTC P1163: Ho2S1 Lean Shift Monitoring - Bank 2 >> DTC Confirmation Test (Using CONSULT-II)

DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm to normal operating temperature.
  2. Stop engine and wait at least 10 seconds.
  3. Turn ignition on and select HO2S1 (B1) P1143 or HO2S1 (B2) P1163 of HO2S1 in DTC WORK SUPPORT mode with CONSULT-II.
  4. Touch START on CONSULT-II screen.
  5. Start engine and let it idle for at least 3 minutes.
    NOTE: Never raise engine speed above 3600 RPM after this step. If the engine speed limit is exceeded, return to step  5 .
  6. When the following conditions are met, TESTING will be displayed on CONSULT-II screen. Maintain these conditions continuously until TESTING changes to COMPLETED (it will take 50 seconds or more).
    • ENG SPEED: 1200-2600 RPM (A/T) or 1800-2600 (M/T).
    • Vehicle speed: less than 62 MPH.
    • B/FUEL SCHDL: 3-9 msec (A/T) or 2.5-9.0 msec (M/T).

    If TESTING is not displayed after 5 minutes, retry from step  2 .

  7. Press SELF-DIAG RESULTS. If NG is displayed, go to DIAGNOSTIC PROCEDURE  . If OK is displayed, system is okay at this time.