On-Vehicle Inspection

2AZ-FXE ENGINE CONTROL: MASS AIR FLOW METER: ON-VEHICLE INSPECTION

1. INSPECT MASS AIR FLOW METER

(a) Read values using the Techstream (MAF).

NOTICE:
* Turn off the engine.
* Perform the inspection with the vehicle indoors and on a level surface.
* Perform the inspection of the MAF meter while it is installed to the air cleaner case (installed to the vehicle).
* During the test, do not use an exhaust air duct on the exhaust pipe.

(1) Turn the power switch on (IG).

(2) Turn the Techstream on.

(3) Enter the following menus: Powertrain / Engine and ECT / Data List / MAF.

(4) Wait 30 seconds and read the values on the Techstream.

Standard condition:

Less than 0.49 g/sec.

* If the result is not as specified, replace the MAF meter.

* If the result is within the specified range, visually inspect the AFM as described in the following inspection procedure.