LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2015 >> GX 460 Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Wide View Front Monitor System (Diagnostics - Introduction) >> Wide View Front Monitor System >> Diagnosis System [08/2013 - ] >> Diagnosis System [08/2013 - ]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis System [08/2013 - ]

  1. WIDE VIEW FRONT MONITOR SYSTEM 
    1. For wide view front monitor system diagnosis, signals received by the parking assist ECU can be checked and the wide view front monitor system can be calibrated, adjusted and checked using the multi-display assembly.
      NOTE:

      Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the wide view front monitor system may be needed. Refer to INITIALIZATION [08/2013 - ] .

      HINT: 

      The displayed screens and items may differ depending on vehicle specifications.

  2. DIAGNOSIS SCREEN TRANSITION (during parking assist ECU initialization) 
    1. w/o Multi-terrain Monitor:
      Fig 1: Diagnosis Screen Transition (W/O Multi-terrain Monitor) (1 Of 2)
      GTY468485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Diagnosis Screen Transition (W/O Multi-terrain Monitor) (2 Of 2)
      GTY466538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Multi-terrain Monitor:
      Fig 3: Diagnosis Screen Transition (W/ Multi-terrain Monitor) (1 Of 2)
      GTY458798Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 4: Diagnosis Screen Transition (During Parking Assist ECU Initialization) (2 Of 2)
      GTY376195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DIAGNOSIS SCREEN TRANSITION (after parking assist ECU initialization) 
    1. w/o Multi-terrain Monitor:
      Fig 5: Diagnosis Screen Transition (W/O Multi-terrain Monitor) (1 Of 2)
      GTY470254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 6: Diagnosis Screen Transition (W/O Multi-terrain Monitor) (2 Of 2)
      GTY464607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Multi-terrain Monitor:
      Fig 7: Diagnosis Screen Transition (W/ Multi-terrain Monitor) (1 Of 2)
      GTY465705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 8: Diagnosis Screen Transition (W/ Multi-terrain Monitor) (2 Of 2)
      GTY461894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DIAGNOSTIC MODE 
    1. Start diagnostic mode.
    2. Failure diagnosis.
    3. System check (check using system check mode screen).
      Fig 9: Screen Display - System Check Mode
      GTY377105Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Finish diagnostic mode.
  5. SIGNAL CHECK (parking assist ECU input signal) 
    1. Start diagnostic mode.
      1. Select "Function Check/Setting" on the "Service Menu screen" to display the Function Check/Setting screen.
        Fig 10: Screen Display - Service Menu
        GTY466048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Select "Camera Setting" on the "Function Check/Setting" screen.
        Fig 11: Screen Display - Function Check/Setting I
        GTY465971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        After "Camera Setting" is selected, the screen transitions differ depending on whether initialization of the parking assist ECU was performed after parking assist ECU replacement.

        Parking Assist ECU Initialization Screen Transition
        Not performed "Signal Check" screen
        Performed "Mode Setting" screen
      3. When the screen changes to the "Mode Setting" screen, select "Back Camera Setting" to display the "Signal Check" screen.

        HINT: 

        To select a grayed out item, select and hold the item for 2 seconds or more.

        Fig 12: Screen Display - Mode Setting
        GTY365015Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Start diagnostic mode.
      1. Select "Function Check/Setting" on the "Service Menu" screen to display the "Function Check/Setting" screen.
        Fig 13: Screen Display - Service Menu
        GTY466048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Select "Camera Setting" on the "Function Check/Setting I" screen.
        Fig 14: Screen Display - Function Check/Setting I
        GTY465971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        After "Camera Setting" is selected, the screen transitions differ depending on whether initialization of the parking assist ECU was performed after parking assist ECU replacement.

        Parking Assist ECU Initialization Screen Transition
        Not performed "Signal Check" screen
        Performed "Mode Setting" screen
      3. When the screen changes to the "Mode Setting" screen, select "Back Camera Setting" to display the "Signal Check" screen.

        HINT: 

        To select a grayed out item, select and hold the item for 2 seconds or more.

        Fig 15: Screen Display - Mode Setting
        GTY365015Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Signal Check:
      Fig 16: Screen Display - Signal Check
      GTY458597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A w/o Multi-terrain Monitor
      *B w/ Multi-terrain Monitor
      1. On the "Signal Check" screen, it is possible to inspect the state of signals sent to the parking assist ECU and check the settings.
        Item Inspection Detail Note
        CAN Speed signal input When "CHK" (red) is displayed, selecting "Next" will not change to the next screen.
        SHIFT Shift position signal input
        CAMERA SW Front and side monitor main switch signal input
        D-CAM SET Driver side camera information signal input

        HINT: 

        • When "CHK" (red) is displayed, perform inspections based on the result of the following inspections.
        • If performing the adjustment after proceeding to the next screen, confirm that all items display "OK" (blue) before selecting "Next".
    4. CAN inspection:

      HINT: 

      If "CHK" (red) is displayed for "CAN", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2013 - ] .

    5. SHIFT inspection:

      HINT: 

      If "CHK" (red) is displayed for "CAN", check for DTCs and perform troubleshooting based on the output DTCs. Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen. [08/2013 - ] .

    6. CAMERA SW inspection:
      1. Check that "OK" (blue) is displayed for "CAMERA SW" and select "OK".
      2. Check that "OK" (blue) changes to "CHK" (red). Press the front and side monitor main switch assembly and check that "CHK" (red) returns to "OK" (blue).

        HINT: 

        If "CHK" (red) remains displayed or the "CAMERA SW" inspection result is not normal, perform troubleshooting according to Problem Symptoms Table ("CHK" message(s) are displayed on the "Signal Check" screen). Refer to "CHK" message(s) are displayed on the SIGNAL CHECK screen. [08/2013 - ] .

    7. D-CAM SET inspection:
      1. Check that "WITH" (blue) is displayed for "D-CAM SET".
    8. Finish diagnostic mode.
  6. CALIBRATION WHEN SERVICING VEHICLE 
    NOTE:

    Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the wide view front monitor system may be needed. Refer to INITIALIZATION [08/2013 - ] .

scientia non olet · About LEMON Manuals