DTC Check / Clear

START DIAGNOSTIC MODE
HINT:
- Illustrations may differ from the actual vehicle depending on the device settings and options.
- Turn the engine switch on (ACC), and then check that the map is displayed before starting the diagnostic mode. Otherwise, some items cannot be checked.
1. There are 2 methods to start diagnostic mode.
2. Method 1
  1. Start the engine.
  2. While pressing and holding the "INFO" switch, turn the light control switch as follows: TAIL --> OFF --> TAIL --> OFF --> TAIL --> 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.
    
    Fig 1: Locating "INFO" Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Method 2
  1. Start the engine.
  2. Press the "DISP" switch.
    
    Fig 2: Locating "DISP" Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Touch the corners of the screen in the following order: upper left --> lower left --> upper left --> lower left --> upper left --> lower left.
  4. The diagnostic mode starts and the "System Check Mode" screen will be displayed. Service inspection starts automatically and the result will be displayed.
    
    Fig 3: Identifying Upper Left And Lower Left
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Diagnosis MENU
  1. The "Diagnostic MENU" screen will be displayed by pressing Menu on the "System Check Mode" screen.
FINISH DIAGNOSTIC MODE
1. There are 2 methods to end diagnostic mode.
  1. Turn the engine switch off.
  2. Press and hold the "DISP" switch for 3 seconds.
CHECK DTC
HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options.
1. Start diagnostic mode.
  
  Fig 4: Identifying "System Check Mode" Display Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Read the system check result.
  1. If the check result is "EXCH", "CHEK" or "Old", touch the display to check its contents.
    HINT:
    - If all check results are "OK", go to the communication DTC check.
    - If a device name is not known, its physical address is displayed.
    - To return to the "System Check Mode" screen, press Service.
      
      Fig 5: Identifying "System Check Mode" Display Screen
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Read the communication diagnostic check result.
  1. Return to the "System Check Mode" screen, and press LAN Mon to enter the "LAN Monitor" screen.
    
    Fig 6: Identifying "System Check Mode" Display Screen
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. If the check result is "CHEK" or "Old", touch the display to check its contents.
    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.
    - To return to the original "LAN Monitor" screen, press Service.
CLEAR/RECHECK DTC
HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options.
1. Start diagnostic mode.
  
  Fig 7: Identifying "LAN Monitor" Display Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Clear DTC.
  1. Press Code CLR for 3 seconds.
  2. DTC is cleared.
    
    Fig 8: Locating Code CLR Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Recheck DTC.
  1. Press Recheck.
    
    Fig 9: Locating Press Recheck Switch
    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, perform troubleshooting again.
    
    Fig 10: Identifying "OK" Display Screen
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Press LAN Mon to change to the "LAN Monitor" screen.
    
    Fig 11: Locating LAN Mon Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Confirm that all diagnostic codes are "No Err". If a code other than "No Err" is displayed, perform troubleshooting again.
    
    Fig 12: Identifying "LAN Monitor" Display Screen
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002