DTC Check / Clear

CHECK DTC (CHECK USING TECHSTREAM)
1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
5. Check for DTC(s) and freeze frame data, and then write them down.
6. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE CHART .
CLEAR DTC (CLEAR USING TECHSTREAM)
1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
5. Clear the DTCs.
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.
- If the system cannot enter diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts. Refer to AVC-LAN Circuit .
- After the ignition switch is turned to ON, 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: Locating Info Switch
  Courtesy 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. The 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
  1. Start the engine.
  2. Press the "DISP" switch.
    
    Fig 2: Locating DISP Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. The diagnostic mode starts and the "System Menu" screen will be displayed.
FINISH DIAGNOSTIC MODE
1. Turn the ignition switch off.
FAILURE DIAGNOSIS
1. The "Failure Diagnosis" screen will be displayed by pressing the "Failure Diagnosis" switch on the "Service Menu" screen.
  
  Fig 4: Identifying Screen Display - Service Menu
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SYSTEM CHECK
1. The "System Check Mode" screen will be displayed by pressing the "System Check" switch on the "Failure Diagnosis" screen.
  
  Fig 5: Identifying System Check Mode Display Screen From Failure Diagnosis Display Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN)
1. Read the system check result.
  
  Fig 6: Checking DTC (Check Using System Check Mode Screen)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. If the check result is "EXCH" or "CHEK", touch the displayed check result to view the results on the "Unit Check Mode" screen and record them.
    HINT:
    - When all results are "OK", this means that no DTCs are present.
    - When proceeding to view the results of another device, press the "Back" switch to return to the "System Check Mode" screen. Repeat the step above to view the results of other devices.
  2. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE CHART .
DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN)
1. Clear DTC
  
  Fig 7: Locating "Memory CLR" On System Check Mode Display Screen
  Courtesy 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 8: Locating "Recheck" Switch On System Check Mode Display Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Press the "Recheck" switch.
  2. Confirm that all diagnostic codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again.
    
    Fig 9: Identifying all diagnostic codes are "OK" On System Check Mode Display Screen
    Courtesy 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.