Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Dtc Check / Clear

Lexus RX (RX 350L, RX450h) 2016-2025 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) 2016-2025 Repair Manual > Sfi System: Throttle Actuator "A" Control Motor Circuit Current Below Threshold (P210018,P210019)
    DESCRIPTION The throttle actuator is operated by the ECM and opens and closes the throttle valve using gears. The opening angle of the throttle valve is detected by the throttle position sensor, which is mounted on the throttle body with motor assembly. The throttle position sensor provides feedback ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Lexus Display Audio system: Using the audio system
    Selecting the audio source Switching between audio sources, such as the radio and CD, is explained in this section. Changing audio source 1. Press the "AUDIO" button to display the "Source" screen. If the "Source" screen is not displayed, press the button again. 2. Select the desired audi ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0176