Procedure For Malfunction B

WARNING: This page is about a different car, the 2004 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Always drive vehicle at a safe speed.

With CONSULT-II

Turn ignition switch ON.
Start engine and warm it up to normal operating temperature.
If engine cannot be started, go to DIAGNOSTIC PROCEDURE .
Select DATA MONITOR mode with CONSULT-II.
Check the voltage of MAS A/F SE-B1 with DATA MONITOR.

Fig 1: Monitoring MAS A/F SE-B1 Voltage With CONSULT-II In Data Monitor Mode
Courtesy of NISSAN MOTOR CO., U.S.A.
Increases engine speed to about 4,000 RPM.
Monitor the linear voltage rise in response to engine speed increases.
If NG, go to DIAGNOSTIC PROCEDURE .

If OK, go to 7 .
Maintain the following conditions for at least 10 consecutive seconds.

Fig 2: Identifying Specified Testing Conditions For Malfunction B (DTC P0101)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Using CONSULT-II In Data Monitor Mode To Monitor Specified Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.
If DTC is detected, go to DIAGNOSTIC PROCEDURE .