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

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Air Fuel Ratio Sensor (for Sensor 1) / 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.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedure

Effect/Inoperative when not Performed

Link

  • Replacement of air fuel ratio sensor (sensor 1)
  • Gas leak from exhaust system is repaired

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

CAUTION:

  • When the engine is hot, do not touch high-temperature areas such as the engine or exhaust manifold.
  • Touching high-temperature areas such as the engine and exhaust manifold could result in burns.

PROCEDURE

1. REMOVE WINDSHIELD WIPER MOTOR AND LINK

Click here

2. REMOVE FRONT NO. 1 VENTILATOR SEAL

Click here

3. REMOVE WATER GUARD PLATE RH

Click here

4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here

5. SEPARATE NO. 1 AIR CLEANER HOSE

Click here

6. REMOVE INTAKE AIR RESONATOR

Click here

7. REMOVE AIR FUEL RATIO SENSOR

(a) Disconnect the air fuel ratio sensor connector.

(b) Disengage the 2 clamps.

(c) Using SST, remove the air fuel ratio sensor from the exhaust manifold.

SST: 09224-00012

NOTICE:

If the air fuel ratio sensor has been struck or dropped, replace it.

    Components

    COMPONENTS ILLUSTRATION *1 WATER GUARD PLATE LH *2 NO. 1 FRONT VENTILATOR SEAL *3 OUTER COWL TOP PANEL SUB-ASSEMBLY - - N*m (kgf*cm, ft...

    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...

    Other information:

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Data List / Active Test


    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: On-vehicle Inspection


    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER HINT: Perform "Inspection After Repair" after replacing the mass air flow meter. Click here (a) Read the value of Data List item "Mass Air Flow Sensor" using the GTS. NOTICE: Perform the inspection of the mass air flow meter while it is installed to the air cleaner cap sub-assembly (installed to the vehicle)...

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