MASS AIR FLOW METER - ON-VEHICLE INSPECTION

1. CHECK MASS AIR FLOW METER ASSEMBLY

Check the mass air flow value.

Connect the GTS to the DLC3.

Turn the engine switch on (IG).

Turn the GTS on.

Enter the following menus: Powertrain / Engine / Data List / All Data / MAF.

Blow air into the mass air flow meter and check that the mass air flow value fluctuates.

Text in Illustration
	Air

If the result is not as specified, check the mass air flow meter () or wiring and ECM ().

Mass Air Flow Meter - On-Vehicle Inspection