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DTC Check/Clear

  1. CHECK DTC (CHECK USING TECHSTREAM) 
    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 / Navigation System / Trouble Codes.
    5. Check the DTC(s) and freeze frame data, and then write them down.
    6. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE TABLE .
      NOTE: The electro multi-vision system outputs DTCs for the following systems. When DTCs other than those in Diagnostic Trouble Code Table for the electro multi vision system are output, refer to Diagnostic Trouble Code Table for the system.
      System Proceed to
      Audio and Visual System Refer to DIAGNOSTIC TROUBLE CODE TABLE
      Rear Seat Entertainment System Refer to DIAGNOSTIC TROUBLE CODE TABLE
      Advanced Parking Guidance System Refer to DIAGNOSTIC TROUBLE CODE TABLE
  2. CLEAR DTC (CLEAR USING TECHSTREAM) 
    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/Navigation System/Trouble Codes.
    5. Clear DTCs.
  3. START DIAGNOSTIC MODE 

    HINT: 

    • Graphics may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle screen.
    • To help find the malfunction when the system cannot change to diagnostic mode, check for DTCs using the Techstreamr.
    • After the engine switch is turned on (IG), check that the map is displayed before starting diagnostic mode. Otherwise, some items cannot be checked.
    1. There are 2 methods to start diagnostic mode. Start the mode by using either of them.
    2. Method 1
      Fig 1: "System Check Mode" Screen
      GTY263742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the engine.
      2. While pressing and holding the "INFO" switch, operate the light control switch: off → Turn on → Turn off → Turn on → Turn off → Turn on → Turn off.
      3. Diagnostic mode starts and the "System Check Mode" screen will be displayed. Service inspection starts automatically and the result will be displayed.
    3. Method 2
      Fig 2: "System Check Mode" Screen
      GTY263741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the engine.
      2. Press the "DISP" switch.
      3. From the display quality adjustment screen, touch the corners of the screen in the following order: upper left → lower left → upper left → lower left → upper left → lower left.
        Fig 3: Identifying Display Quality Adjustment Screen
        GTY265809Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Upper Left
        *2 Lower Left
      4. Diagnostic mode starts and the "System Check Mode" screen will be displayed.
  4. FINISH DIAGNOSTIC MODE 
    1. Turn the engine switch off.
  5. FAILURE DIAGNOSIS 
    1. Press the "Failure Diagnosis" switch on the "Service Menu" screen.
      Fig 4: Identifying Service Menu Screen
      GTY258598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. The "Failure Diagnosis" will be displayed.
      Fig 5: Identifying Failure Diagnosis Screen
      GTY281877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. SYSTEM CHECK 
    1. Press the "System Check" switch on the "Failure Diagnosis" screen.
      Fig 6: System Check On Failure Diagnosis Screen
      GTY255852Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. The "System Check Mode" screen will be displayed.
      Fig 7: Identifying System Check Mode Screen
      GTY263931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN) 
    1. Read the system check result.
      1. If the check result is "EXCH" or "CHEK", touch the displayed check result.
        Fig 8: Identifying System Check Mode Screen
        GTY284115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        When all the results are "OK", this means that no DTCs are present.

      2. View the results on the "Unit Check Mode" screen and record them.
        Fig 9: Identifying Unit Check Mode Screen
        GTY287463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Diagnostic Code
      3. When proceeding to view the results of another device, press the "Back" switch to return to the "System Check Mode" screen.
        Fig 10: Identifying Back Switch
        GTY269209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        To check other items, repeat from the first step.

  8. DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN) 
    1. Clear DTC
      Fig 11: Identifying System Check Mode Screen "Memory CLR" switch
      GTY257219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Press the "Memory CLR" switch for 3 seconds.
      2. Confirm that the check results are cleared.

        HINT: 

        • To clear the DTC for a specific device, clear the DTC using the "Unit Check Mode" screen.
        • When clearing a DTC using the "Unit Check Mode" screen, press the "Code CLR" switch for 3 seconds.
    2. Recheck
      Fig 12: Identifying Recheck Switch
      GTY282345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Press the "Recheck" switch.
      2. Confirm that all check results are "OK" when the check results are displayed. If a result other than "OK" is displayed, troubleshoot again.
        Fig 13: Identifying "System Check Mode" results are "OK"
        GTY283256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        When a DTC was cleared using the "Unit Check Mode" screen, press the "Back" switch to return to the "System Check Mode" screen and perform this operation.

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