DTC Confirmation Test (Using CONSULT-II)
WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before proceeding, ensure ambient temperature is more than 14°F (-10°C) and battery voltage is more than 11 volts at idle. If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.
- Start engine and warm to normal operating temperature.
- Stop engine and wait at least 10 seconds.
- Turn ignition on and select HO2S 1 (B1)/(B2) P1143/P0154 of HO2S 1 in DTC WORK SUPPORT mode with CONSULT-II.
- Touch START on CONSULT-II screen.
- Start engine and let it idle for at least 3 minutes.
- 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: 1300-2800 RPM
- Vehicle speed: less than 62 MPH
- B/FUEL SCHDL: 3-10 msec
- Press SELF-DIAG RESULTS. If NG is displayed, go to DIAGNOSTIC PROCEDURE . If OK is displayed, system is okay at this time.
NOTE:
Never raise engine speed above 3600 RPM after this step. If the engine speed limit is exceeded, return to step 5.