With Consult-II

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Start engine and warm it up to normal operating temperature.
Select "A/F SEN1 (B1)" or "A/F SEN1 (B2)" in "DATA MONITOR" mode with CONSULT-II.
Check "A/F SEN1 (B1)" or "A/F SEN1 (B2)" indication.
If the indication is constantly approx. 1.5V and does not fluctuates, go to Diagnostic Procedure .

If the indication fluctuates around 1.5V, go to next step.
Select "A/F SEN1 (B1) P1276" or "A/F SEN1 (B2) P1286" of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT-II.
Touch "START".

When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen.

CONDITION

ENG SPEED	1,100 - 3,200 RPM
VHCL SPEED SE	More than 64 km/h (40 MPH)
B/FUEL SCHDL	1.0-8.0 msec
Shift lever	D position (A/T) 5th position (M/T)

Fig 1: Selecting "A/F SEN1 (B1) P1276" Screen Display

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

If "TESTING" is not displayed after 20 seconds, retry from step 2 .

Release accelerator pedal fully.
NOTE: Never apply brake during releasing the accelerator pedal.

Fig 2: Selecting "A/F SEN1 (B1) P1276" Testing Screen Display
Courtesy of NISSAN MOTOR CO., U.S.A.
Make sure that "TESTING" changes to "COMPLETED".
If "TESTING" changed to "OUT OF CONDITION", retry from step 6 .
Make sure that "OK" is displayed after touching "SELF-DIAG RESULT".
If "NG" is displayed, go to Diagnostic Procedure .

Fig 3: Selecting "A/F SEN1 (B1) P1276" Completed Screen Display
Courtesy of NISSAN MOTOR CO., U.S.A.