Inspection [04/2013 - 08/2015]: Procedure
WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 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.
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.