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

HINT:

Refer to the Techstream operator's manual for further details.

CHECK FOR IMMOBILISER DTC

(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 ECM DTC

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Engine / Trouble Codes.

Powertrain > Engine > Trouble Codes

(e) Check for DTCs.

CLEAR IMMOBILISER DTC

(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 ECM DTC

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Engine / Trouble Codes.

Powertrain > Engine > Clear DTCs

(e) Clear the DTCs.

    Diagnosis System
    DIAGNOSIS SYSTEM DESCRIPTION (a) The certification ECU (smart key ECU assembly) and ECM control the vehicle immobiliser system functions. Immobiliser system data and Diagnostic Trouble Codes (DTCs) ca ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK ENGINE SWITCH (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Input/Output Wiring Color Terminal Description ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Fail-safe Chart
    FAIL-SAFE CHART If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily or stops fuel injection. DTC Code Component Fail-Safe Operation Fail-Safe Deactivation Condition P001100 P001107 P001500 P002100 P002107 P002500 VVT sys ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Do-it-yourself maintenance: Electronic key battery
    Replace the battery with a new one if it is depleted. You will need the following items: Flathead screwdriver Lithium battery CR2032 Replacing the battery 1. Take out the mechanical key. 2. Remove the cover. To prevent damage to the key, cover the tip of the flathead screwdriver wi ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0132