Lexus IS250 · Service Manual BODY ELECTRICAL

DISPLAY CHECK MODE

Troubleshooting

HINT:
  1. This mode checks the color display on the multi-display.
  2. Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.


ENTER DIAGNOSTIC MODE (Click here)

DISPLAY CHECK

  1. E120055
    Select "Display Check" from the "Diagnosis MENU" screen.


COLOR BAR CHECK

  1. E120053E01
    Select "Color Bar Check" from the "Display Check" screen.

  2. E120102
    Select a color bar from the "Color Bar Check Mode" screen.

  3. Check the display color.

    HINT:
    1. The entire screen turns to the color or stripe selected.
    2. Touching the display will return to the "Color Bar Check" screen.


TOUCH SWITCH CHECK

  1. E120053E02
    Select "Touch Switch Check" from the "Display Check" screen.

  2. E120103
    Touch the display anywhere in the open area to perform the check when the "Touch Switch Check" screen is displayed.

    HINT:
    1. A "+" mark is displayed where the display is touched.
    2. The "+" mark remains on the display even after the finger is removed.


PANEL SWITCH CHECK

  1. E120053E03
    Select "Panel Switch Check" from the "Display Check" screen.

  2. I100041E07
    Operate each switch and check that the switch name and condition are correctly displayed.
    Display
    		 Contents
    Push switch name/*1
    1. Name of the pressed switch is displayed.
    2. If more than one switch is pressed, "MULTIPLE" is displayed.
    Rotary switch name/*2
    		Name of the rotary switch is displayed.
    Rotary switch direction/*3
    		Direction of the rotary switch is displayed.


VEHICLE SIGNAL CHECK

  1. E120053E04
    Select "Vehicle Signal Check" from the "Display Check" screen.

  2. I038223
    When the "Vehicle Signal Check Mode" screen is displayed, check all the vehicle signal conditions.

    HINT:
    1. Only conditions having inputs are displayed.
    2. This screen is updated once per second when input signals to the vehicle are changed.
    3. For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION (Click here).


MIC & VOICE RECOGNITION CHECK

  1. E120053E06
    Select "Mic & Voice Recognition Check" on the "Display Check" screen to display "MICROPHONE & VOICE RECOGNITION CHECK" screen.

  2. E125811E01
    When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

  3. Push the recording switch and perform voice recording.

  4. Check that the recording indicator remains on while recording and that the recorded voice is played normally.

    HINT:
    For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION (Click here).


CAN CHECK

  1. E120057
    Select "CAN check" from the "Display check" screen.

  2. Check the CAN connection check result.

    HINT:
    1. This function operates only for the systems connected to the CAN system.
    2. For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION (Click here).

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