Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Diagnosis System

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
    PROBLEM SYMPTOMS TABLE HINT: If a problem occurs in certain locations or at certain times of day, check for the possibility of wave interference. When the electrical key transmitter sub-assembly ...

    Dtc Check / Clear
    DTC CHECK / CLEAR CHECK FOR DTC NOTICE: When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds ...

    Other materials:

    Lexus 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* ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0125