Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY

HINT:

Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly.

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

NOTICE:

Perform the inspection of the mass air flow meter sub-assembly while it is installed to the air cleaner cap sub-assembly (installed to the vehicle).

(1) Connect the Techstream to the DLC3.

(2) Start the engine.

(3) Turn the Techstream on.

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

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

Standard Condition:

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

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

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2. PERFORM INITIALIZATION

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

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