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Home >> Lexus >> 2021 >> LS 500h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Smart Access System (For Start, W/ Front Lidar Sensor) - Diagnostics - Introduction) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, with Front LiDAR Sensor) >> DTC Check / Clear [10/2023 - ] >> DTC Check / Clear [10/2023 - ]
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DTC Check / Clear [10/2023 - ]

WARNING: This page is about a different car, the 2024 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • When DTC is output, Be sure to confirm and record.
  • When using the Techstream with the power 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. CHECK FOR DTC 
    1. Connect the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the on.
    4. Enter the following menus: Powertrain > Hybrid Control / Trouble Codes.

      Powertrain > Hybrid Control > Trouble Codes 

    5. Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.

      Body Electrical > Power Source Control > Trouble Codes 

    6. Enter the following menus: Body Electrical / Smart Access / Trouble Codes.

      Body Electrical > Smart Access > Trouble Codes 

    7. Check for DTCs.

      HINT: 

      • When any DTC is not output and security indicator light does not blink, problems may be caused by the following:
        • Open in TC circuit between DLC3 connector and related ECU
        • Malfunction of related ECU
  2. CLEAR DTC 
    1. Connect the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the on.
    4. Enter the following menus: Powertrain > Hybrid Control / Trouble Codes.

      Powertrain > Hybrid Control > Clear DTCs 

    5. Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.

      Body Electrical > Power Source Control > Clear DTCs 

    6. Enter the following menus: Body Electrical / Smart Access / Trouble Codes.

      Body Electrical > Smart Access > Clear DTCs 

    7. Clear the DTCs.