On-Vehicle Inspection

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

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

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY

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

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

Standard Condition:





If the result is not as specified, replace the mass air flow meter sub-assembly.

If the result is within the specified range, remove and inspect the mass air flow meter Inspection.