Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2021 >> Prius LE AWD-e >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> Mass Air Flow Meter >> On-Vehicle Inspection [11/2015 - ] >> Procedure

On-Vehicle Inspection [11/2015 - ]: Procedure

  1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream 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. 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, clean the mass air flow meter sub-assembly.

      GTY545568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Air

      Refer to INSPECTION [11/2015 - ]