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

NOTICE:

• When using the Techstream with the engine switch off to confirm DTCs or Data List information related to the smart access system, the Techstream may not operate unless either of the following is performed: 1) Turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and vehicle begins, or 2) connect the Techstream to the vehicle and select the Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Smart Access.
• Do not remove any fuses or disconnect the cable from the negative (-) battery terminal before confirming and recording DTCs as the data stored in the ECUs will be cleared.
• DTCs may have been stored due to problems unrelated to the steering lock system. Be sure to confirm and record any DTCs output for other systems.

Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part ...

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Steering Lock System DTC No. Detection Item DTC Detection Condition Note Link B2781 Open / Short in Steering Lock ECU One of the following conditions i ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Safety Connect System: Initialization
INITIALIZATION RESET BACK-UP BATTERY CONDITION HINT: If the back-up battery (mobilephone battery) has been replaced, it is necessary to perform the Reset Backup Battery Condition procedure. (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Ch ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Display does not Dim when Light Control Switch is Turned ON
DESCRIPTION When the audio and visual system is activated with the light control switch in the tail or head position, before AVC-LAN communication is established, the multi-display assembly dims the display according to the illumination signal received via a direct line. After AVC-LAN communication ...