Engine Coolant Temperature Sensor: Inspection: Inspection
WARNING: This page is about a different car, the 2009 Lexus GS 460. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT ENGINE COOLANT TEMPERATURE SENSOR
- Partially soak the sensor in water and warm up the water.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Tester Connection Condition Specified Condition 1 - 2 Approx. 20°C (68°F) 2.32 k to 2.59 kΩ 1 - 2 Approx. 80°C (176°F) 0.310 k to 0.326 kΩ If the result is not as specified, replace the sensor.
If the result is as specified, do not replace the sensor.
NOTE:When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.