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HOMESERVICE MANUALSTOYOTA20094RUNNER LIMITED, 4.0 U, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEM (1GR-FE)SFI SYSTEMDTC CHECK/CLEAR
2009 Toyota 4Runner Limited, 4.0 U, 4WD

DTC Check/Clear

2009 Toyota 4Runner Limited, 4.0 U, 4WDSECTION DTC Check/Clear
NOTE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are erased. Before changing modes, always check and make a note of DTCs and freeze frame data.

HINT:

  • DTCs stored in the ECM can be displayed on the Techstream. The Techstream can display current and pending DTCs.
  • The some DTCs are not set if the ECM does not detect the same malfunction again during a second consecutive driving cycle. However, malfunctions detected on only one occasion are stored as pending DTCs.
  1. CHECK DTC (Using the Techstream) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch on.
    3. Turn the tester on.
    4. Enter the following menus: Powertrain / Engine and ECT / 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 TABLE  ).
  2. CLEAR DTC (Using the Techstream) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch on.
    3. Turn the tester on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Erase the DTCs.
  3. CLEAR DTC (Without using the Techstream) 
    1. Perform one of the following operations.
      1. Disconnect the negative (-) battery cable for more than 1 minute.
      2. Remove the EFI NO. 1 and ETCS fuses from the engine room junction block located inside the engine compartment for more than 1 minute.
    2. Perform the initialization procedure (See INITIALIZATION ).
RENDER: 1.0x

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When to See a Mechanic

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.