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Diagnosis System

  1. SIDE MONITOR DIAGNOSIS SYSTEM 
    1. In the side monitor diagnosis system, signals received by the parking assist ECU can be checked and the side monitor system can be calibrated, adjusted and checked on the multi-display.

      HINT: 

      The displayed items may differ depending on vehicle specifications.

  2. DIAGNOSIS SCREEN TRANSITION 
    Fig 1: Diagnosis Screen Transition
    GTY349940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DIAGNOSTIC MODE 
    1. Start diagnostic mode. Refer to DTC CHECK / CLEAR .
    2. Failure diagnosis. Refer to DTC CHECK / CLEAR .
    3. System check (check using system check mode screen). Refer to DTC CHECK / CLEAR .
      Fig 2: Identifying System Check Mode Screen
      GTY276928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Finish diagnostic mode. Refer to DTC CHECK / CLEAR .
  4. SIGNAL CHECK (parking assist ECU input signal) 
    1. Start diagnostic mode. Refer to DTC CHECK / CLEAR .
      1. Select "Function Check/Setting" on the Service Menu screen to display the Function Check/Setting screen.
        Fig 3: Identifying Service Menu screen
        GTY230645Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Select "Camera Setting" on the Function Check/Setting screen.
        Fig 4: Identifying "Camera Setting" On Function Check/Setting Screen
        GTY289768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. SIGNAL CHECK
      Fig 5: Detaching Claws On Backside Of Radio Receiver
      GTY289780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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 Signal Input Method Note
        SPEED Speed signal input When "CHK" (red) is displayed, selecting "NEXT" will not change to the next screen.
        CAMERA SW Steering pad switch assembly (side monitor main switch) signal input When "CHK" (red) is displayed, selecting "NEXT" will not change to the next screen.
        MIRROR SW Outer rear view mirror retract signal input When "CHK" (red) is displayed, selecting "NEXT" will not change to the next screen.
        SHIFT Shift signal input
        ENGINE ENG/HV judgement signal

        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".
    3. SPEED inspection

      HINT: 

      If "CHK" (red) is displayed for "SPEED", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DTC CHECK / CLEAR .

    4. 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 side monitor main switch (steering pad 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. .

    5. MIRROR SW inspection

      HINT: 

      If "CHK" (red) is displayed for "MIRROR SW", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DTC CHECK / CLEAR .

    6. SHIFT inspection

      HINT: 

      If "CHK" (red) is displayed for "SHIFT", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DTC CHECK / CLEAR .

    7. ENGINE inspection

      HINT: 

      If "CHK" (red) is displayed for "ENGINE", check for DTCs and perform troubleshooting based on the output DTCs. Refer to DTC CHECK / CLEAR .

    8. Finish the diagnostic mode. Refer to DTC CHECK / CLEAR .