April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

Function inspection of intake air flow meter sub-assembly

Inspection of intake air amount

CAUTION:

Perform inspection with the vehicle on a level surface and engine stopped.
Perform the inspection with the air cleaner assembly installed.
Do not suction the exhaust emission from the exhaust tail pipe with the exhaust duct.

Connect the SSM3 to the DLC.
Turn the ignition switch to ON, and then wait for 30 seconds.
According to the display on the SSM3, select [Data monitor] →[Mass Air Flow], and read the intake air amount.

Standard value

MASS AIR FLOW STANDARD VALUE SPECIFICATION

Item name	Inspection conditions	Standard value
Mass air flow	Engine stops 30 seconds after IG ON	Less than 0.85 g/s

CAUTION:

If it is out of standard value, replace the intake air flow meter sub-assembly.
If it is within standard value, check the intake air flow meter sub-assembly. (Refer to ON-VEHICLE INSPECTION )