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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / A25a-fxs Engine Control / Mass Air Flow Meter / Inspection

INSPECTION

PROCEDURE

1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY

(a) Perform a visual check for any foreign matter on the temperature sensor (thermistor) of the mass air flow meter sub-assembly shown in the illustration.

OK:

There is no foreign matter.

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

*a

Thermistor

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (THA) - 2 (E2G)

-20°C (-4°F)

13.6 to 18.4 kΩ

20°C (68°F)

2.21 to 2.69 kΩ

60°C (140°F)

0.49 to 0.67 kΩ

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

*a

Component without harness connected

(Mass Air Flow Meter Sub-assembly)
    Components

    Installation

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Water Pump: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FOR COOLANT LEAK HINT: The sliding surface inside the engine water pump assembly is lubricated by engine coolant. As some engine coolant is discharged during normal operation, engine coolant residue (solids) may be found on the drain plug or the bottom of t ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

    © 2025 Copyright www.tavalon.net
    0.0123