Mass Air Flow Meter: Inspection: Inspection

INSPECT MASS AIR FLOW METER

Perform a visual check for any foreign matter on the platinum hot wire (heater) of the mass air flow meter shown in the illustration.

Fig 1: Identifying Platinum Hot Wire (Heater) Of The Mass Air Flow
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TEXT IN ILLUSTRATION

*1 Platinum Hot Wire (Heater)

Result

There is no foreign matter.

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

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

Fig 2: Measuring The Resistance Of MAF With Connector End View

GTY214688

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*1	Mass Air Flow Meter

Standard Resistance

Tester Connection	Condition	Specified Condition
1 (THA) - 2 (E2)	-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