With GST

WARNING: This page is about a different variant/trim than selected.

Start engine and warm it up to normal operating temperature.
Select "MODE 1" with GST.
Check the mass air flow sensor signal with "MODE 1".
Check for linear mass air flow sensor signal value rise in response to increases to about 4, 000 RPM in engine speed.
If NG, go to "DIAGNOSTIC PROCEDURE ".

Fig 1: Displaying MAF (MODE 1)
Courtesy of NISSAN MOTOR CO., U.S.A.