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:
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:
OK:
No defects are found.
If any defects are found, replace the horn button assembly or steering wheel assembly with a new one.
Components
RemovalLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG), and wait for at least 60 seconds. (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes. Body Electrical > SRS ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Accelerator Pedal: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Data List / Accelerator Position Sensor No. 1 Voltage and Accelera ...