Highlander 4WD V6-3.5L (2GR-FE) (2008)
Cabin Temperature Sensor / Switch: Testing and Inspection
Room Temperature Sensor (For Rear Air Conditioning)
AIR CONDITIONING: ROOM TEMPERATURE SENSOR (for Rear): INSPECTION
INSPECTION
1. INSPECT REAR ROOM TEMPERATURE SENSOR
(a) Remove the rear room temperature sensor See: Service and Repair/Room Temperature Sensor (for Rear)/Removal.
(b) Disconnect the connector from the rear room temperature sensor.
(c) Measure the resistance of the sensor.
Standard resistance:
NOTICE:
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Even slightly touching the sensor may change the resistance value. Be sure to hold the connector of the sensor.
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When measuring, the sensor temperature must be the same as the ambient temperature.
HINT: As the temperature increases, the resistance decreases (see the graph).
If the resistance value is not as specified, replace the sensor.