Toyota Yaris: Mass Air Flow Meter / Inspection

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Mass Air Flow Meter / Inspection

INSPECTION

PROCEDURE

1. INSPECT MASS AIR FLOW METER

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

OK:

There is no foreign matter.

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

*a	Thermistor

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
D23-4 (THA) - D23-2 (E2G)	-20°C (-4°F)	13.6 to 18.4 kΩ
D23-4 (THA) - D23-2 (E2G)	20°C (68°F)	2.21 to 2.69 kΩ
D23-4 (THA) - D23-2 (E2G)	60°C (140°F)	0.49 to 0.67 kΩ

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

*a	Component without harness connected (Mass Air Flow Meter)

Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the mass air flow meter removal/installation are shown below...

Installation

INSTALLATION PROCEDURE 1. INSTALL MASS AIR FLOW METER (a) Install the mass air flow meter to the air cleaner cap sub-assembly with the 2 screws. NOTICE: If the mass air flow meter has been struck or dropped, replace it...

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