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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Smart Access System (For Start) (Except Hybrid) - Diagnostics - Introduction (2 Of 2)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, Gasoline Model) >> DTC Check / Clear [09/2022 - ] >> DTC Check / Clear [09/2022 - ]

DTC Check / Clear [09/2022 - ]

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. 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 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. CHECK FOR DTC 
    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. 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 / Starting Control / Trouble Codes.

      Body Electrical > Starting Control > Trouble Codes 

    7. Check for DTCs.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2022 - ] 

      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 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 > 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 / Starting Control / Trouble Codes.

      Body Electrical > Starting Control > Clear DTCs 

    7. Clear the DTCs.
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