Toyota Camry owners & service manuals

Toyota Camry (XV70): Inspection

Toyota Camry Repair Manual XV70 (2018-2024) / Engine, Hybrid System / 2gr-fks (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 intake air 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, clean the intake air temperature sensor (thermistor).

*a

Intake Air Temperature Sensor (Thermistor)

(b) Clean the intake air temperature sensor (thermistor).

NOTICE:

  • Do not contact the mass air flow meter sub-assembly with the nozzle of the air blow gun.
  • Do not insert the nozzle of the air blow gun into the intake air temperature sensor (thermistor) area.

*a

Air Blow Gun

*b

10 mm (0.394 in.)

*c

Intake Air Temperature Sensor (Thermistor)

(1) Using an air blow gun, clean the intake air temperature sensor (thermistor) area of the mass air flow meter sub-assembly by applying approximately 10 intermittent bursts of air to the intake air temperature sensor (thermistor) area at a pressure of approximately 392 to 981 kPa (4.0 to 10.0 kgf/cm2, 57 to 142 psi).

HINT:

After performing cleaning, read the value of Data List item "Mass Air Flow Sensor" using the Techstream and if the value is not as specified, replace the mass air flow meter sub-assembly.

*a

Air Blow Duration

*b

3 to 6 Seconds

*c

1 Second

*d

Air Blowing

*e

Air Stopped

(c) Check the intake air temperature sensor (thermistor) resistance.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (THA) - 2 (E2G)

Always

0.47 to 19.3 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)

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