Ambient Temperature Sensor: Inspection
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT COOLER THERMISTOR (AMBIENT TEMPERATURE SENSOR)
- Measure the resistance of the thermistor.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Condition Specified Condition 1 - 2 25°C (77°F) 1.62 to 1.79 kΩ 1 - 2 40°C (104°F) 0.55 to 0.65 kΩ Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, replace the thermistor.
HINT:
As the temperature increases, the resistance decreases.
- Measure the resistance of the thermistor.