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Home >> Toyota >> 2017 >> Highlander XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 109 (Engine Control System (2GR-FXS) - Service Information - (Hybrid)) >> Air Fuel Ratio Sensor >> Installation [11/2016 - ] >> Procedure

Installation [11/2016 - ]: Procedure

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  1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1) 

    HINT: 

    Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

    Refer to INITIALIZATION [11/2016 - ]

    1. Using SST, install the air fuel ratio sensor to the exhaust manifold (TWC: Front Catalyst).
      GTY704569Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
      • SST: 09224-00012 

      Specified tightening torque 

      Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) 

      NOTE:

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

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [11/2016 - ]

      • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):

        37.7 N*m (384 kgf*cm, 28 ft.*lbf)

    2. Engage the 3 wire harness clamps.
    3. Connect the air fuel ratio sensor connector.
  2. INSTALL NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 83

  3. INSTALL NO. 1 EGR PIPE 

    Refer to INSTALLATION [11/2016 - ]

  4. INSTALL AIR FUEL RATIO SENSOR (for Bank 2) 

    HINT: 

    Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

    Refer to INITIALIZATION [11/2016 - ]

    1. Using SST, install the air fuel ratio sensor to the exhaust manifold assembly LH (TWC: Front Catalyst).
      GTY721704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
      • SST: 09224-00012 

      Specified tightening torque 

      Torque: 44 N*m (449 kgf*cm, 32 ft.*lbf) 

      NOTE:

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

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [11/2016 - ]

      • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):

        37.7 N*m (384 kgf*cm, 28 ft.*lbf)

    2. Engage the 2 wire harness clamps.
    3. Connect the air fuel ratio sensor connector.
  5. INSTALL NO. 1 ENGINE COVER 
    1. Install the No. 1 engine cover to the cylinder head cover sub-assembly LH.
    2. Engage the clamp to connect the No. 4 engine wire to the wire harness bracket.
  6. INSTALL V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 74

  7. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 10

  8. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing an air fuel ratio sensor.

      Refer to INITIALIZATION [11/2016 - ]

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