Turn the ignition switch OFF.
Disconnect the evaporator temperature sensor connector.
Measure resistance between terminal “+” and “-“ of evaporator temperature sensor.

Connect the evaporator temperature sensor connector.
Run the engine and turn the A/C switch ON, then measure the voltage between the terminals of harness connector.
| Evaporator core temperature [°C(℉)] | Resistance [kΩ] | Voltage [V] | 
| -20(-4) | 29.42 | 3.736 | 
| -10(14) | 18.01 | 3.221 | 
| 0(32) | 11.36 | 2.665 | 
| 10(50) | 7.362 | 2.125 | 
| 20(68) | 4.892 | 1.647 | 
| 30(86) | 3.326 | 1.248 | 
| 40(104) | 2.309 | 0.941 | 
| 50(122) | 1.635 | 0.704 |