Inspection [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. 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.
Standard Resistance
Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B)
1 (HA2A) - 2 (+B)20°C (68°F) 1.6 to 3.2 Ω 1 (HA1A) - 4 (A1A-)
1 (HA2A) - 4 (A2A-)Always 10 kΩ or higher *A for Bank 1 *B for Bank 2 *a Component without harness connected
(Air Fuel Ratio Sensor)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.