Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

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

Inspection After Repair

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

PROCEDURE

1. REMOVE V-BANK COVER SUB-ASSEMBLY

Click here

2. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

Click here

3. REMOVE AIR FUEL RATIO SENSOR (for Bank 2)

CAUTION:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

(a) Using SST, remove the air fuel ratio sensor from the exhaust manifold assembly LH (TWC: Front Catalyst).

SST: 09224-00011

NOTICE:

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

4. REMOVE FRONT WHEEL RH

Click here

5. REMOVE NO. 2 ENGINE UNDER COVER

Click here

6. REMOVE AIR FUEL RATIO SENSOR (for Bank 1)

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

(a) Disconnect the air fuel ratio sensor connector.

(b) Disengage the 3 wire harness clamps.

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

SST: 09224-00011

NOTICE:

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

    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 Con ...

    Installation
    INSTALLATION PROCEDURE 1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1) HINT: Perform "Inspection After Repair" after replacing the air fuel ratio sensor. Click here (a) Using SST, install the air ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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