DIAGNOSIS SYSTEM
DESCRIPTION
(a) Smart access system with push-button start (for Entry Function) data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart access system with push-button start. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Problem Symptoms Table
Dtc Check / ClearLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Lock System: 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 is met (1-trip detection logic (Only output while a malfunction is present and the engine switch is o ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Column Assembly: Components
COMPONENTS ILLUSTRATION *1 STEERING WHEEL ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 LOWER STEERING COLUMN COVER *2 UPPER STEERING COLUMN COVER *3 TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY - - N*m (kgf* ...