LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2018 >> LS 500 Base, RWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Access System (For Entry) - Diagnostics - Introduction >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) >> DTC Check / Clear [12/2017 - 10/2023] >> DTC Check / Clear [12/2017 - 10/2023]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Check / Clear [12/2017 - 10/2023]

  1. CHECK FOR DTC 
    NOTE:
    • When DTC is output, Be sure to confirm and record.
    • 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.
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Smart Access / Trouble Codes.

      Body Electrical > Smart Access > Trouble Codes 

    5. Read the DTCs.
  2. CLEAR DTC 
    NOTE:

    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.

    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Smart Access / Clear DTCs.

      Body Electrical > Smart Access > Clear DTCs 

    5. Clear the DTCs.