On-Vehicle Inspection

2AR-FE ENGINE CONTROL SYSTEM: MASS AIR FLOW METER: ON-VEHICLE INSPECTION

1. CHECK MASS AIR FLOW METER

NOTICE:
* Perform the MAF meter inspection according to the following procedure.
* Only replace the MAF meter when the MAF value in the Data List (with the engine stopped) is not within the normal operating range or there is foreign matter on the MAF meter platinum hot wire (heater).

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

NOTICE:
* 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) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON (do not run the engine).

(3) Turn the Techstream on.

(4) Enter the following menus: Powertrain / Engine / Data List / MAF.

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

Standard Condition:





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

If the result is within the specified range, remove and inspect the MAF meter Inspection.