Toyota Yaris: Mass Air Flow Meter / On-vehicle Inspection

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

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(a) Read the value of Data List item "Mass Air Flow Sensor" using the GTS.

NOTICE:

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) Vehicle is made into the following state.

  1. Turn off all electrical loads, such as the air condition, etc.
  2. Check that the coolant temperature is 75 °C (167 °F) or more.
  3. Put the Shift Lever in the N position.

(2) Connect the GTS to the DLC3.

(3) Start the engine.

(4) Turn the GTS on.

(5) Enter the following menus: Powertrain / Engine / Data List / Mass Air Flow Sensor.

Powertrain > Engine > Data List

Tester Display

Mass Air Flow Sensor

(6) According to the display on the GTS, read the Data List when the engine is running.

Standard Condition:

GTS Display

Condition

Specified Condition

Mass Air Flow Sensor

Idling

1.5 to 4.5 gm/sec

2000 rpm

2.5 to 8.0 gm/sec

3000 rpm

4.5 to 12.0 gm/sec

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

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

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2. PERFORM INITIALIZATION

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

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    Components

    C..

    Removal

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    Categories

    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.

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