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HOMESERVICE MANUALSTOYOTA2009SEQUOIA LIMITED, 5.7 Y, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 27 (ENGINE CONTROL SYSTEM (2UZ-FE) - DIAGNOSTIC INTRODUCTION)SFI SYSTEMDTC CHECK/CLEAR
2009 Toyota Sequoia Limited, 5.7 Y, RWD

DTC Check/Clear

2009 Toyota Sequoia Limited, 5.7 Y, RWDSECTION DTC Check/Clear
WARNING: This page is about a different variant/trim than selected.
NOTE: When the diagnosis system is changed from the normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame data.

HINT:

  • DTCs which are stored in the ECM can be displayed on the Techstream. The Techstream can display the current and pending DTCs.
  • Same DTCs are not set if the ECM does not detect the same malfunction again during a second consecutive driving cycle. However, such malfunctions, detected on only one occasion, are stored as pending DTCs.
  1. CHECK DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream ON.
    4. Enter the following menus: Powertrain/Engine/Trouble Codes.
    5. Check the DTC(s) and freeze frame data, and then write them down.
    6. Check the details of the DTC(s) (See DIAGNOSTIC TROUBLE CODE CHART  ).
  2. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream ON.
    4. Enter the following menus: Powertrain/Engine/DTC/Trouble Codes.
    5. Clear the DTCs.
  3. CLEAR DTC (Without using the Techstream) 
    1. Perform either of the following operations:
      1. Disconnect the cable from the negative (-) battery terminal.
      2. Remove the EFI NO. 1 fuse from the engine room relay block located inside the engine compartment for more than 1 minute.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.