Inspection [11/2016 - ]: Procedure
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT MASS AIR FLOW METER SUB-ASSEMBLY
- 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.
*a Thermistor If the result is not as specified, replace the mass air flow meter sub-assembly.
- 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 *a Component without harness connected
(Mass Air Flow Meter Sub-assembly)If the result is not as specified, replace the mass air flow meter sub-assembly.
- 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.