MASS AIR FLOW METER ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT MASS AIR FLOW METER

    Tech Tips

    Perform "Inspection After Repair" after replacing the mass air flow meter.

    Click here


    1. Read the value using the GTS (MAF).

      Note

      Perform the inspection of the mass air flow meter while it is installed to the air cleaner cap sub-assembly (installed to the vehicle).


      1. Connect the GTS to the DLC3.

      2. Start the engine.

      3. Turn the GTS on.

      4. Enter the following menus: Powertrain / Engine and ECT / Data List / MAF.


        Powertrain > Engine and ECT > Data List
        Tester Display
        MAF

      5. Wait for 30 seconds, and read the value on the GTS.

        Standard Condition
        Tester Display Condition Specified Condition
        MAF Idling 4.0 to 7.0 gm/sec
        2000 rpm 12.0 to 16.0 gm/sec
        3000 rpm 17.0 to 23.0 gm/sec

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

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

        Click here

  2. PERFORM INITIALIZATION


    1. Perform "Inspection After Repair" after replacing the mass air flow meter.

      Click here