Inspection [08/2020 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT ENGINE COOLANT TEMPERATURE SENSOR WARNING:
- Do not put your hands into the water that has been heated for the inspection.
- Touching the heated water could result in burns.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 2.32 to 2.59 kΩ 80°C (176°F) 0.310 to 0.326 kΩ NOTE:If checking the engine coolant temperature sensor in water, be careful not to allow water to contact the terminals. After checking, wipe the water off the engine coolant temperature sensor.
If the result is not as specified, replace the engine coolant temperature sensor.
*a Component without harness connected
(Engine Coolant Temperature Sensor)