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 AIR FUEL RATIO SENSOR
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
(Air Fuel Ratio Sensor)Standard Resistance
Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 Ω 1 (HA1A) - 4 (A1A-) Always 10 kΩ or higher If the result is not as specified, replace the air fuel ratio sensor.
- Measure the resistance according to the value(s) in the table below.