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DTC Check / Clear

WARNING: This page is about a different car, the 2012 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. DTC CHECK/CLEAR (USING TECHSTREAM) 
    1. DTC check
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON.
      3. Read DTCs on the Techstream screen.
    2. DTC clear
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON.
      3. Clear the DTCs following the prompts on the Techstream screen.

        HINT: 

        The Techstream has a SNAPSHOT function which records the monitored data.

        Refer to the Techstream operator's manual for further details.

  2. SELF-DIAGNOSTIC MODE (OPERATING IGNITION KEY CYLINDER) 
    1. Switch to self-diagnostic mode.
      1. Insert the key into the ignition key cylinder and remove it.
      2. Within 5 seconds after the key is removed, insert it into the ignition key cylinder and then turn the ignition switch to ON then OFF 1 time. (End in OFF)
      3. Within 30 seconds of turning the ignition switch off, perform the following 9 times: Turn the ignition switch to ON then off. (End in OFF)

        HINT: 

        Turning the ignition switch to ON after the procedure above has been completed will end the self-diagnostic mode.

        NOTE:

        If the system fails to enter self-diagnostic mode, the system will return to normal mode.

    2. Check that the system has switched to self-diagnostic mode by checking the interior light output pattern.
      Fig 1: Room Light Blinking Pattern
      GTY197471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer output pattern.
      Fig 2: Wireless Door Lock Buzzer Blinking Pattern
      GTY183607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Check the diagnostic outputs when the door control transmitter switch is held down. The diagnostic outputs can be checked by the interior light and wireless door lock buzzer patterns.
      Fig 3: Identifying Interior Light & Wireless Door Lock Buzzer Output
      GTY175367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. SELF-DIAGNOSTIC MODE (USING TECHSTREAM) 
    1. Switch to self-diagnostic mode.
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON and turn the Techstream main switch on.

        HINT: 

        Refer to the Techstream operator's manual for further details.