Air Fuel Ratio Sensor: Inspection
WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT AIR FUEL RATIO SENSOR (for Sensor 1)
- Measure the resistance of the sensor.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance
AIR FUEL RATIO SENSOR (for Sensor 1)Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) 20°C (68°F) 1.8 to 3.4 Ω 1 (HA1A) - 4 (A1A-) - 10 kΩ or higher If the resistance is not as specified, replace the sensor.
- Measure the resistance of the sensor.