MASS AIR FLOW METER ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY


    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. A003LJMC04
      B006IR6 Air

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

      OK
      The value changes.

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