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.

Click here

(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.

Powertrain > Engine > Data List

Tester Display

Mass Air Flow Sensor

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

Standard Condition:

Techstream Display

Condition

Specified Condition

Mass Air Flow Sensor

Idling (engine warmed up)

2.6 to 3.7 gm/sec

2000 rpm (without load)

5.4 to 9.6 gm/sec

3000 rpm (without load)

10.6 to 15.8 gm/sec

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.

Click here

2. PERFORM INITIALIZATION

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

Click here

    Installation

    Removal

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Hv Model): Terminals Of Ecu
    TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. RADIO AND DISPLAY RECEIVER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G14-1 (FR+) - G3-1 (GND1) LA-LG - BR*1 W - BR*2 Sound signal (Front right)*1 ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

    © 2025 Copyright www.tavalon.net
    0.0121