Toyota Yaris: Mass Air Flow Meter / Removal

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Mass Air Flow Meter / Removal



The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the mass air flow meter removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedure

Effect/Inoperative when not Performed


Replacement of mass air flow meter sub-assembly

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.



(a) Disconnect the mass air flow meter connector.

(b) Remove the 2 screws and mass air flow meter from the air cleaner cap sub-assembly.


If the mass air flow meter has been struck or dropped, replace it.

    On-vehicle Inspection

    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER HINT: Perform "Inspection After Repair" after replacing the mass air flow meter. Click here (a) Read the value of Data List item "Mass Air Flow Sensor" using the GTS...


    INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER (a) Perform a visual check for any foreign matter on the temperature sensor (thermistor) of the mass air flow meter shown in the illustration...

    Other information:

    Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST (a) Perform the Active Test according to the display on the GTS. Body Electrical > Power Distribution Box > Data List Tester Display Measurement Item Range Normal Condition Diagnostic Note Rear Defogger Input Signal Window defogger switch signal input condition ON or OFF ON: Window defogger switch is on OFF: Window defogger switch is off - Rear Defogger Output Signal Window defogger output condition ON or OFF ON: Window defogger operates OFF: Window defogger does not operate - Rear Defogger Output Current Window defogger current Min...

    Toyota Yaris XP210 (2020-2024) Owner's Manual: Turning the Engine Off

    Stop the vehicle completely. Manual transaxle: Shift into neutral and set the parking brake.Automatic transaxle: Shift the selector lever to the P position and set the parking brake. Press the push button start to turn off the engine. The ignition position is off...


    Front Seat Belt Pretensioners

    The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.

    In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.

    read more

    Copyright © 2024