On-Vehicle Inspection

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

ON-VEHICLE INSPECTION

1. CHECK MASS AIR FLOW METER
(a) Check the mass air flow value.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Push the Techstream main switch ON.
(4) Enter the following menus: Powertrain / Engine / Data List / All Data / MAF.





(5) Blow air into the mass air flow meter, and check that the mass air flow meter value fluctuates.
If the result is not as specified, check the mass air flow meter Inspection, or wiring and ECM P0102.