Evaporator Temperature Sensor: Inspection

INSPECT COOLER THERMISTOR NO. 1
1. Inspect the cooler thermistor No. 1.
2. Check the resistance between terminals 1 and 2 of the cooler thermistor No. 1 at each temperature, as shown in the chart.
  
  Fig 1: Identifying Evaporator Temperature Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Resistance And Temperature Graph
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the resistance value is not as specified, replace the sensor.