Operation CHARM: Car repair manuals for everyone.

On-Vehicle Inspection





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

1. INSPECT 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) Turn the Techstream 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.





Text in Illustration





If the result is not as specified, check the MAF meter Inspection, or wiring and ECM P0102.