LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 600hL >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Park Assist/Monitoring >> Advanced Parking Guidance System >> DTC Check/Clear
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Check/Clear

HINT:

  1. CHECK DTC (WITH Intelligent TESTER OR TECHSTREAM) 
    1. Connect the Intelligent tester or Techstream to the DLC3.
    2. Start the hybrid control system.
    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
  2. CLEAR DTC (WITH Intelligent TESTER OR TECHSTREAM) 
    1. Connect the Intelligent tester or Techstream to the DLC3
    2. Start the hybrid control system
    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
  3. START DIAGNOSTIC MODE 
    1. Start the hybrid control system
    2. Switch to the "Display Check" screen.
      Fig 1: Identifying Diagnosis Menu Screen Display
      G05776446Courtesy 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.
    4. The diagnostic mode starts and the "System Check Mode" screen will be displayed Service inspection starts automatically and the result will be displayed.
  4. FINISH DIAGNOSTIC MODE 
    1. Turn the power switch OFF
      Fig 2: Diagnosis Menu Screen Display - Display Quality Adjustment Screen
      G05776447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DIAGNOSIS MENU 
    1. Press the "MENU" switch on the "System Check Mode" screen
      Fig 3: Diagnosis Menu Screen Display - System Check Mode
      G05776448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. The "Diagnosis MENU" screen will be displayed
      Fig 4: Identifying Diagnosis Menu Screen Display
      G05776449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. 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: Diagnosis Menu Screen Display - System Check Mode
        G05776450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. View the results on the "Unit Check Mode" screen and record them.
        Fig 6: Diagnosis Menu Screen Display - Unit Check Mode (NAVI)
        G05776451Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. When proceeding to view the results of another device, press the "Service" switch.
        Fig 7: Diagnosis Menu Screen Display - Unit Check Mode (NAVI)
        G05776452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Return to the "System Check Mode" screen. Repeat this step
      Fig 8: Diagnosis Menu Screen Display - System Check Mode
      G05776453Courtesy 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 - System Check Mode (LAN Mon)
        G04951935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. The "LAN Monitor" screen is displayed
        Fig 10: Diagnosis Menu Screen Display - LAN Monitor
        G05776455Courtesy 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 - LAN Monitor
        G04951937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. View the results on the individual communication diagnostic screen and record them

        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
      Fig 12: Diagnosis Menu Screen Display - LAN Monitor Rr-CONT
      G04951938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • 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 Rr-CONT
      G04951939Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. 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 - System Check Mode (Code CLR)
      G04951940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Recheck
      1. Press the "Recheck" switch.
        Fig 15: Diagnosis Menu Screen Display - System Check Mode (Recheck)
        G04951941Courtesy 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 - System Check Mode
        G04951942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Press the "LAN Mon" switch to change to "LAN Monitor" mode
        Fig 17: Diagnosis Menu Screen Display - System Check Mode
        G04951942Courtesy 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