Removal [08/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY
Refer to PROCEDURE - Step 1

REMOVE FRONT FLOOR COVER LH

for HEV Model:
Refer to PROCEDURE - Step 4
for PHEV Model:
Refer to PROCEDURE - Step 35

REMOVE ENGINE UNDER COVER HEAT INSULATOR (for PHEV Model)

Refer to PROCEDURE - Step 14

REMOVE AIR FUEL RATIO SENSOR

for HEV Model

for PHEV Model

for HEV Model:
1. Disengage the 2 wire harness clamps.
for PHEV Model:
1. Disengage the wire harness clamp.
Disconnect the air fuel ratio sensor connector.
Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly.
- SST: 09224-00012
NOTE:
If the air fuel ratio sensor has been struck or dropped, replace it.