Toyota Yaris: Air Fuel Ratio Sensor (for Sensor 2) / Inspection

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Air Fuel Ratio Sensor (for Sensor 2) / Inspection




(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection


Specified Condition

D109-1(HA1B) - D109-2(+B)

20°C (68°F)

1.8 to 2.2 Ω

D109-1(HA1B) - D109-4(A1B-)


10 kΩ or higher

If the result is not as specified, replace the No. 2 air fuel ratio sensor.


Component without harness connected

(No. 2 Air Fuel Ratio Sensor)


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    INSTALLATION PROCEDURE 1. INSTALL NO. 2 AIR FUEL RATIO SENSOR (a) Using SST, install the No. 2 air fuel ratio sensor to the front exhaust pipe assembly...

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    Break-In Period

    No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.

    Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.

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