Testing Condition:

• Always perform at a temperature above - 10° C (14° F). 
• Before performing the following procedure, confirm that battery voltage is more than 11V at idle. 

WITH CONSULT-II 

1. Start engine and warm it up to normal operating temperature
2. Stop engine and wait at least 5 seconds.
3. Turn ignition switch ON and select HO2S1 (B1)/(B2) P0133/P0153 of HO2S1 in DTC WORK SUPPORT mode with CONSULT-II.
4. Touch START.
5. Start engine and let it idle for at least 3 minutes.
   NOTE: Never raise engine speed above 3,600 rpm after this step. If the engine speed limit is exceeded, return to step  5 .
   Fig 1: Displaying CONSULT-II DTC WORK SUPPORT Screen

   Courtesy of NISSAN MOTOR CO., U.S.A.
6. When the following conditions are met, TESTING will be displayed on the CONSULT-II screen. Maintain the conditions continuously until TESTING changes to COMPLETED. (It will take approximately 40 to 50 seconds.)
   Fig 2: Displaying CONSULT-II DTC WORK SUPPORT Screen

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: Checking Condition Of Heated Oxygen Sensor 1

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

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

7. Make sure that OK is displayed after touching SELF-DIAG RESULTS. If NG is displayed, refer to DIAGNOSTIC PROCEDURE  .
   Fig 4: Displaying CONSULT-II COMPLETED Screen

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