On-Vehicle Inspection

2UZ-FE ENGINE CONTROL SYSTEM: MASS AIR FLOW METER:

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 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 MAF meter, and check that the MAF value fluctuates.
If the result is not as specified, check the MAF meter (Inspection), or wiring and ECM (P0102).