Room Temperature Sensor: Inspection

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE LOWER FINISH PANEL .
1. Remove the 3 screws.
2. Release the 3 claws and pull out the lower finish panel.
REMOVE ROOM TEMPERATURE SENSOR
1. Disconnect the connector and aspirator hose.
2. Release the 2 claws and pull out the sensor.
Fig 1: Removing Room Temperature Sensor
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INSPECT ROOM TEMPERATURE SENSOR RESISTANCE
Measure resistance between terminals at each temperature as shown in the chart.

Fig 2: Sensor Resistance Condition Chart
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Fig 3: Inspecting Room Temperature Sensor Resistance
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If resistance is not as specified, replace the sensor.
INSTALL ROOM TEMPERATURE SENSOR
1. Install the sensor and fit the 2 claws.
2. Connect the aspirator hose and connector.
INSTALL LOWER FINISH PANEL .
1. Install the lower finish panel and fit the 3 claws.
2. Install the 3 screws.
Fig 4: Installing Room Temperature Sensor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002