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Home >> Lexus >> 2000 >> ES 300 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic A/C-Heater Systems >> Component Tests >> Evaporator Temperature Sensor

Evaporator Temperature Sensor

Remove evaporator temperature sensor, located at evaporator. Place sensor and thermometer in ice water. Measure sensor resistance at temperatures specified. See EVAPORATOR TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS  table. If resistance is not as specified, replace sensor.

EVAPORATOR TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS

Sensor Temperature - °F (°C) (1) Ohms
32 (0) 4600-5100
59 (15) 2100-2600
(1) As temperature increases, resistance should gradually decrease.