MASS AIR FLOW METER > INSPECTION

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

   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.
   

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

   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