Component Function Check

With GST 

1. Activate "INSPECTION MODE 1" ( MODE 1 ) to start engine, and warm up engine to normal operating temperature.
2. Select Service $01 with GST.
3. Check the mass air flow sensor signal with Service $01.
4. Check for linear mass air flow sensor signal value rise in response to increases to about 2,500 rpm in engine speed.
Fig 1: CONSULT-II Display - MAF
Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".