Lexus RX (RX 350L, RX450h) 2016-2026 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.

Click here

(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) 2016-2026 Repair Manual > Can Communication System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT PRECAUTIONS WHEN TROUBLESHOOTING NOTICE: Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output. If the CAN communication s ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Engine Unit: Reassembly
    REASSEMBLY PROCEDURE 1. INSTALL WATER INLET PIPE (a) Install the water inlet pipe with the 2 bolts. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} *A w/o Oil Cooler *B w/ Oil Cooler 2. INSTALL NO. 2 CYLINDER HEAD GASKET Click here 3. INSTALL CYLINDER HEAD LH (a) Place ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0101