Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Dtc Check / Clear

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Start Function) / Dtc Check / Clear

DTC CHECK / CLEAR

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 or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.

CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (POWER SOURCE CONTROL))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.

Body Electrical > Power Source Control > Trouble Codes

(e) Check for DTCs.

CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (SMART ACCESS))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Smart Access / Trouble Codes.

Body Electrical > Smart Access > Trouble Codes

(e) Check for DTCs.

CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (STARTING CONTROL))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Starting Control / Trouble Codes.

Body Electrical > Starting Control > Trouble Codes

(e) Check for DTCs.

CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (POWER SOURCE CONTROL))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.

Body Electrical > Power Source Control > Clear DTCs

(e) Clear the DTCs.

CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (SMART ACCESS))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Smart Access / Trouble Codes.

Body Electrical > Smart Access > Clear DTCs

(e) Clear the DTCs.

CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (STARTING CONTROL))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Starting Control / Trouble Codes.

Body Electrical > Starting Control > Clear DTCs

(e) Clear the DTCs.

    Diagnosis System
    DIAGNOSIS SYSTEM DESCRIPTION (a) Smart access system with push-button start (for Start Function) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the ve ...

    Data List / Active Test
    DATA LIST / ACTIVE TEST 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 parts. Th ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Front Wiper Motor: Installation
    INSTALLATION CAUTION / NOTICE / HINT NOTICE: Make sure to hold the front wiper arm while lifting it as lifting the front wiper arm by the front wiper blade may damage or deform the front wiper blade. PROCEDURE 1. INSTALL WIPER MOTOR WIRE (a) Connect the connector to install the wiper motor wire. 2. ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > When trouble arises: Essential information
    Emergency flashers The emergency flashers are used to warn other drivers when the vehicle has to be stopped on the road due to a breakdown, etc. Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. ■ Emergency flashers If the emergenc ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0095