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DTC Check/Clear [12/2014 - ]

  1. CHECK DTC (CHECK USING TECHSTREAM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
    5. Check for DTCs, and then write them down.
    6. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE TABLE [12/2014 - ] .
      NOTE: The audio and visual system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Table for the audio and visual system are output, refer to Diagnostic Trouble Code Table for the relevant system.
      System Proceed to
      Rear View Monitor System Refer to DIAGNOSTIC TROUBLE CODE TABLE [12/2014 - ]
  2. CLEAR DTC (CLEAR USING TECHSTREAM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
    5. Clear the DTCs.
  3. START DIAGNOSTIC MODE 

    HINT: 

    • Illustrations may differ from the actual vehicle screen depending on the device settings and options.

      Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle screen.

    • After the Ignition 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 diagnostic mode by using either of them.
    2. Method 1
      1. Turn the Ignition switch to ON (IG).
      2. While pressing and holding the "AUDIO" switch, operate the light control switch: Off → Tail → Off → Tail → Off → Tail → Off.
    3. Method 2
      1. Turn the Ignition switch to ON (IG).
      2. Press the seek/track up panel switch 5 times and then press the seek/track down panel switch 5 times with the screen and audio turned off.

        HINT: 

        • Diagnostic mode can only be started if the above operation is completed within 15 seconds of the first press of the seek/track up panel switch.
        • If the operation is not completed within 15 seconds of the first press of the seek/track panel switch or fails, turn the screen and audio on and then off again before attempting to start diagnostic mode.
    4. Diagnostic mode starts and the "Service Menu" screen will be displayed. Service inspection starts automatically and the result will be displayed.
  4. FAILURE DIAGNOSIS 
    1. The "Failure Diagnosis" screen will be displayed by selecting the "Failure Diagnosis" switch on the "Service Menu" screen.
      Fig 1: Screen Display - Failure Diagnosis
      GTY452680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. SYSTEM CHECK 
    1. The "System Check Mode" screen will be displayed by selecting the "System Check" switch on the "Failure Diagnosis" screen.
      Fig 2: System Check Mode
      GTY434103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN) 
    1. System check mode screen description
      Fig 3: Description Of System Check Mode Screen Display
      GTY449957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      SCREEN DESCRIPTION

      Display Content
      *a: Device name list No. 1
      • Device Name List No. 1 displays some of the devices that make up the audio and visual system.
      • The names of the components from Device Name List No. 1 are shown in the following table.
      *b: Check result Result codes for all devices are displayed.
      *c: Memory clear
      • Present and history DTCs and registered connected device names are cleared.
      • Select the "Memory CLR" switch for 3 seconds.
      *d: Recheck
      • A system check will be performed again after the memory is cleared.
      • "Recheck" will dim during a system check.
      *e: Device name list No. 2
      • Device Name List No. 2 displays some of the devices that make up the audio and visual system.
      • The names of the components from Device Name List No. 2 are shown in the following table.
      *A: DEVICE NAME LIST NO. 1 DESCRIPTION

      Name Component Connection Method
      DA Radio and display receiver assembly -
      *B: CHECK RESULT DESCRIPTION

      Result Meaning Action
      OK The device does not respond with a DTC. -
      DETAIL The device responds with a DTC. Read DTCs on the "Unit Check Mode" screen.
      *E: DEVICE NAME LIST NO. 2 DESCRIPTION

      Name Component Connection Method
      AUX/VTR No. 1 stereo jack adapter assembly Vehicle wire harness
    2. Unit check mode screen description
      Fig 4: Unit Check Mode Screen Display
      GTY452405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      SCREEN DESCRIPTION

      Display Content
      *a: Device name Target device
      *b: History DTC Diagnostic memory results and stored DTCs are displayed.
      *c: Current DTC DTCs output in the service check are displayed.
      *d: DTC DTC (Diagnostic Trouble Code)
      *e: Diagnosis clear Selecting "Code CLR" for 3 seconds clears the diagnostic memory data of the target device (both diagnostic system check result and the displayed data are cleared).

      HINT: 

      • This screen is updated once per second.
      • A maximum of 6 DTCs can be displayed for history and present DTCs.
    3. Read the system check result.
      Fig 5: System Check Result (1 Of 2)
      GTY430727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 6: System Check Result (2 Of 2)
      GTY430730Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. If the check result is "DETAIL", select the displayed check result to view the results on the "Unit Check Mode" screen and record them.
        NOTE: A maximum of 6 DTCs can be displayed for history and present DTCs on the "Unit Check Mode" screen. Therefore, when 6 DTCs are displayed, troubleshoot those DTCs first and then check the "Unit Check Mode" screen again to see if any other DTCs are displayed.

        HINT: 

        • When all results are "OK", no DTCs are present.
        • When proceeding to view the results of another device, select "Back" to return to the "System Check Mode" screen. Repeat the above step to view the results of other devices.
      2. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE TABLE [12/2014 - ] .
        NOTE: The audio and visual system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Table for the audio and visual system are output, refer to Diagnostic Trouble Code Table for the relevant system.
        System Proceed to
        Rear View Monitor System Refer to DIAGNOSTIC TROUBLE CODE TABLE [12/2014 - ]
  7. DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN) 
    1. Clear DTCs
      Fig 7: Identifying Memory CLR On System Check Mode Screen Display
      GTY451905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Select "Memory CLR" for 3 seconds.
      2. Check that the check results are cleared.

        HINT: 

        • To clear the DTCs for a specific device, use the "Unit Check Mode" screen.
        • When clearing DTCs using the "Unit Check Mode" screen, select "Code CLR" for 3 seconds.
    2. Recheck
      Fig 8: Recheck
      GTY430728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Select "Recheck".
      2. Check all diagnostic codes are "OK" when the check results are displayed. If a result other than "OK" is displayed, perform troubleshooting again.
        Fig 9: Identifying OK On System Check Mode Screen Display
        GTY430729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        When the DTCs are cleared using the "Unit Check Mode" screen, select "Back" to return to the "System Check Mode" screen and perform this operation.

  8. FINISH DIAGNOSTIC MODE 
    1. Turn the ignition switch off.