Toyota Yaris: Air Fuel Ratio Sensor (for Sensor 1) / Inspection

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Air Fuel Ratio Sensor (for Sensor 1) / Inspection

INSPECTION

PROCEDURE

1. INSPECT AIR FUEL RATIO SENSOR

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
D102-1(HA1A) - D102-2(+B)	20°C (68°F)	1.4 to 3.0 Ω
D102-1(HA1A) - D102-4(A1A-)	Always	1 MΩ or higher

If the result is not as specified, replace the air fuel ratio sensor.

*a	Component without harness connected (Air Fuel Ratio Sensor)

Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the air fuel ratio sensor removal/installation are shown below...

Installation

INSTALLATION PROCEDURE 1. INSTALL AIR FUEL RATIO SENSOR (a) Using SST, install the air fuel ratio sensor to the front exhaust manifold. SST: 09224-00012 Torque: Specified tightening torque : 44 N·m {449 kgf·cm, 32 ft·lbf} NOTICE: If the air fuel ratio sensor has been struck or dropped, replace it...

Other information:

Toyota Yaris XP210 (2020-2026) Owner's Manual: Maintaining the Finish

Washing To help protect the finish from rust and deterioration, wash your Toyota thoroughly and frequently, at least once a month, with lukewarm or cold water. If the vehicle is washed improperly, the paint surface could be scratched. Here are some examples of how scratching could occur...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: STA Signal Circuit

DESCRIPTION While the engine is being cranked, a starter operation request signal is sent to terminal STA of the ECM. HINT: If there is an open in the STA circuit of the ECM, stop and start control will be prohibited after the third time the engine is started by stop and start control...