Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Installation

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Engine & Hybrid System / 2gr-fks (engine Control) / Heated Oxygen Sensor / Installation

INSTALLATION

PROCEDURE

1. INSTALL HEATED OXYGEN SENSOR (for Bank 2)

HINT:

Perform "Inspection After Repairs" after replacing the heated oxygen sensor.

Click here

(a) Using SST, install the heated oxygen sensor to the front exhaust pipe assembly.

SST: 09224-00011

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.

HINT:

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

    Click here

  • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

    39 N*m (398 kgf*cm, 29 ft.*lbf)

*a

Torque Wrench Fulcrum Length

2. INSTALL FRONT EXHAUST PIPE ASSEMBLY

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3. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

Click here

4. INSTALL HEATED OXYGEN SENSOR (for Bank 1)

HINT:

Perform "Inspection After Repairs" after replacing the heated oxygen sensor.

Click here

(a) Using SST, install the heated oxygen sensor to the front No. 3 exhaust pipe sub-assembly.

SST: 09224-00011

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.

HINT:

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

    Click here

  • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

    39 N*m (398 kgf*cm, 29 ft.*lbf)

*a

Torque Wrench Fulcrum Length

(b) Install the wire harness clamp bracket to the heated oxygen sensor.

HINT:

Make sure the direction of the wire harness clamp bracket is as shown in the illustration.

*1

Wire Harness Clamp Bracket

*a

Left of Vehicle

*b

180°

5. INSTALL FRONT NO. 3 EXHAUST PIPE SUB-ASSEMBLY

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6. INSPECT FOR EXHAUST GAS LEAK

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7. INSTALL FRONT FLOOR COVER LH

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8. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the heated oxygen sensor.

Click here

    Inspection
    INSPECTION PROCEDURE 1. INSPECT HEATED OXYGEN SENSOR (a) for Bank 1: (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition ...

    Ignition Coil And Spark Plug
    ...

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