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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 206 (Engine Control System (1GR-FE) - SFI System Diagnostic And Troubleshooting Introduction) >> SFI System >> DTC Check/Clear
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DTC Check/Clear

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
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 erased. Before changing modes, always check and make a note of DTCs and freeze frame data.

HINT:

  1. CHECK DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch ON.
    3. Turn the Techstream 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 CHART  ).
  2. CLEAR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch ON.
    3. Turn the Techstream 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 either 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 relay block, junction block located inside the engine compartment for more than 1 minute.