Component Function Check

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM COMPONENT FUNCTION CHECK FOR MALFUNCTION B
With GST
1. Start engine and warm it up 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 4, 000 rpm in engine speed.
Fig 1: Generic Scan Tool Display - MAF
Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".