Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to correctly follow the removal and installation procedures for the horn button assembly.
PROCEDURE
1. INSPECT HORN BUTTON ASSEMBLY (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check.
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(b) Visually check for defects with the horn button assembly installed to the vehicle.
HINT:
The defects are as follows:
- Cuts on the surface or in the grooves
- Small cracks on the surface or in the grooves
- Significant discoloration on the surface or in the grooves
OK:
No defects are found.
If any defects are found, replace the horn button assembly with a new one.
2. INSPECT HORN BUTTON ASSEMBLY (for Vehicle Involved in Collision and Airbag not Deployed)
(a) Perform a diagnostic system check.
Click here
(b) Visually check for defects with the horn button assembly removed from the vehicle.
HINT:
The defects are as follows:
- Cuts on the surface or in the grooves
- Small cracks on the surface or in the grooves
- Significant discoloration on the surface or in the grooves
- Cracks or other damage to the connector
- Deformation of the steering wheel assembly
- Deformation of the installation surface of the horn button assembly
- Interference or uneven clearance between the horn button assembly and steering wheel assembly when a new horn button assembly is installed to the steering wheel assembly
OK:
No defects are found.
If any defects are found, replace the horn button assembly or steering wheel assembly with a new one.
Components
COMPONENTS ILLUSTRATION *1 HORN BUTTON ASSEMBLY *2 LOWER NO. 2 STEERING WHEEL COVER *3 LOWER NO. 3 STEERING WHEEL COVER - - ...
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 ho ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Do-it-yourself
maintenance: Checking and replacing
fuses
If any of the electrical components do not operate, a fuse may have
blown. If
this happens, check and replace the fuses as necessary.
1. Turn the power switch off.
2. Open the fuse box cover.
■ Engine compartment
Push the tab in and lift the lid off.
■ Driver's side instrument panel
R ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Seat Assembly (for 60/40 Split Seat Type Rh Side): Inspection
INSPECTION PROCEDURE 1. PRECAUTION NOTICE: After performing the following check, initialize the fold seat control ECU (initial position reset and initial position memorization). Click here 2. INSPECT REAR SEATBACK FRAME SUB-ASSEMBLY RH (a) Check the operation of the reclining motor. (1) Apply batt ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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