DTC Confirmation Procedure (With CONSULT-II)

WARNING: This page is about a different car, the 2003 Nissan Altima. 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 turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

NOTE: Before performing the following procedure, confirm that battery voltage is more than 11V at idle.

Start engine and warm it up to normal operating temperature.
Select "HO2S1 (B1) P0134" of "HO2S1", for 2.5L and 3.5L or "HO2S1 (B2) P0154" of "HO2S1", for 3.5L in "DTC WORK SUPPORT" mode with CONSULT-II.
Touch "START".
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 4.

NOTE: If "TESTING" is not displayed after 5 minutes, retry from step 2.
When the conditions in illustrations are met, see Fig 1 - Fig 2 , "TESTING" will be displayed on the CONSULT-II screen. Maintain the conditions continuously until "TESTING" changes to "COMPLETED". It will take approximately 10 to 60 seconds.
Ensure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, see DIAGNOSTIC PROCEDURE (2.5L) or DIAGNOSTIC PROCEDURE (3.5L) .

Fig 1: Identifying Testing Conditions For DTC P0134: HO2S1 (2.5L)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Identifying Testing Conditions For DTC P0134 Or P0154: HO2S1 (3.5L)

Courtesy of NISSAN MOTOR CO., U.S.A.