Inspection [12/2015 - 08/2016]: Procedure
WARNING: This page is about a different car, the 2016 Toyota Sienna. 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.TEXT IN ILLUSTRATION
*a Component without harness connected
(Air Fuel Ratio Sensor)*b for Bank 1 *c for Bank 2 Standard Resistance (for Bank 1)
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 Standard Resistance (for Bank 2)
Tester Connection Condition Specified Condition 1 (HA2A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 Ω 1 (HA2A) - 4 (A2A-) 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.