Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Front Evaporator Temperature Sensor

Toyota Tacoma 2015-2018 Service Manual / Air Conditioning / Front Evaporator Temperature Sensor





(a) Check the resistance.

(1) Measure the resistance and check the results in accordance with the values in the table below.


Tester Connection


Specified Condition

1 - 2

-10В°C (14В°F)

7.40 to 9.20 kО©

1 - 2

-5В°C (23В°F)

5.65 to 7.00 kО©

1 - 2

0В°C (32В°F)

4.35 to 5.40 kО©

1 - 2

5В°C (41В°F)

3.40 to 4.20 kО©

1 - 2

10В°C (50В°F)

2.68 to 3.30 kО©

1 - 2

15В°C (59В°F)

2.10 to 2.60 kО©

1 - 2

20В°C (68В°F)

1.66 to 2.10 kО©

1 - 2

25В°C (77В°F)

1.32 to 1.66 kО©

1 - 2

30В°C (86В°F)

1.05 to 1.35 kО©

If the result is not as specified, replace the cooler thermistor sensor.


  • Even slightly touching the sensor may change the resistance value. Be sure to hold the connector of the sensor.
  • When measuring, the sensor temperature must be almost the same as the ambient temperature.


As the temperature increases, the resistance decreases (see the graph on the left).

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