DTC Check / Clear

HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle.
for Navigation System (for HDD):
If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts (see HOW TO PROCEED WITH TROUBLESHOOTING ).

for Navigation System (for DVD):

If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts (see HOW TO PROCEED WITH TROUBLESHOOTING ).
After the engine switch is turned on (IG), check that the map is displayed before starting the diagnostic mode. Otherwise, some items cannot be checked.

CHECK DTC (WITH INTELLIGENT TESTER OR TECHSTREAM)
1. Connect the intelligent tester or Techstream to the DLC3.
2. Start the engine.
3. Turn the tester on.
4. Enter the following menus:
  1. Intelligent tester - Select: DIAGNOSIS / OBD/ MOBD / APGS / DTC INFO /
  2. Techstream - Select: Chassis / Advanced Parking Guidance System / Trouble Codes /
5. Read the DTCs.
CLEAR DTC (WITH INTELLIGENT TESTER OR TECHSTREAM)
1. Connect the intelligent tester or Techstream to the DLC3.
2. Start the engine.
3. Turn the tester on.
4. Enter the following menus:
  1. Intelligent tester - Select: DIAGNOSIS / OBD/ MOBD / APGS / DTC INFO /
  2. Techstream - Select: Chassis / Advanced Parking Guidance System / Trouble Codes /
5. Erase the DTCs.
START DIAGNOSTIC MODE
1. Start the engine.
2. Switch to the "Display Check" screen.
  
  Fig 1: Identifying "Display Check" Screen
  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 2: Identifying "System Check Mode" Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. The diagnostic mode starts and the "System Check Mode" screen will be displayed. Service inspection starts automatically and the result will be displayed.
FINISH DIAGNOSTIC MODE
1. Turn the engine switch off.
DIAGNOSIS MENU
1. Press the "MENU" switch on the "System Check Mode" screen.
  
  Fig 3: Identifying Diagnosis Menu Screen - SYSTEM CHECK MODE
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. The "Diagnosis MENU" screen will be displayed.
  
  Fig 4: Identifying Diagnosis Menu Screen - DIAGNOSIS MENU
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK DTC (WITH DIAGNOSTIC MODE)
1. Read the system check result.
  1. If the check result is "EXCH", "CHEK" or "Old", touch the displayed check result.
    
    Fig 5: Identifying Diagnosis Menu Screen - EXCH
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. View the results on the "Unit Check Mode" screen and record them.
    
    Fig 6: Identifying Diagnosis Menu Screen - Unit Check Mode
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. When proceeding to view the results of another device, press the "Service" switch.
    
    Fig 7: Identifying Diagnosis Menu Screen - Press Service Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Return to the "System Check Mode" screen. Repeat this step.
    
    Fig 8: Identifying Diagnosis Menu Screen - System Check Mode
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Read the communication diagnostic check result.
  1. Return to the "System Check Mode" screen, and press the "LAN Mon" switch.
    
    Fig 9: Diagnosis Menu Screen Display - LAN MON
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. The "LAN Monitor" screen is displayed.
    
    Fig 10: Diagnosis Menu Screen Display - LAN Monitor
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. If the check result is "CHEK" or "Old", touch the displayed check result.
    
    Fig 11: Diagnosis Menu Screen Display - CHEK
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. View the results on the individual communication diagnostic screen and record them.
    
    Fig 12: Diagnosis Menu Screen Display - LAN Monitor Re-Cont
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    HINT:
    - If all check results are "No Err", the system judges that no DTC exists.
    - The sub-code (relevant device) will be indicated by its physical address.
    - When proceeding to view the results of another device, press the "LAN Monitor" switch to return to the original "LAN Monitor" screen. Repeat this step.
      
      Fig 13: Diagnosis Menu Screen Display - LAN Monitor
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC CLEAR/RECHECK (WITH DIAGNOSTIC MENU)
1. Clear DTC
  1. Press the "Code CLR" switch for 3 seconds.
  2. The check results are cleared.
    
    Fig 14: Diagnosis Menu Screen Display - Code CLR
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Recheck
  1. Press the "Recheck" switch.
    
    Fig 15: Diagnosis Menu Screen Display - Recheck
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 16: Diagnosis Menu Screen Display - OK
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Press the "LAN Mon" switch to change to "LAN Monitor" mode.
    
    Fig 17: Diagnosis Menu Screen Display - LAN Mon
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Confirm that all diagnostic codes are "No Err". If a code other than "No Err" is displayed, troubleshoot again.
    
    Fig 18: Diagnosis Menu Screen Display - No Err
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002