MASS AIR FLOW METER ON-VEHICLE INSPECTION

Info Added 2017-10-06

CAUTION / NOTICE / HINT

Note


  • Perform the mass air flow meter inspection according to the following procedure.

  • Only replace the mass air flow meter 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).

PROCEDURE


  1. INSPECT MASS AIR FLOW METER


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Engine / Data List / Mass Air Flow Sensor.


      Powertrain > Engine > Data List
      Tester Display
      Mass Air Flow Sensor
    5. A001PVBC04
      B0048I2 Air

      Blow air into the mass air flow meter and check that the value of Mass Air Flow Sensor fluctuates.

      If the result is not as specified, inspect the mass air flow meter, wire harness and ECM.