Toyota Sienna Service Manual: Screen Flicker or Color Distortion
INSPECTION PROCEDURE
1 CHECK DISPLAY SETTING
- Enter the display adjustment screen by pressing the "DISPLAY" switch.
- Reset display settings (contrast, brightness) and check that the screen appears normal
- Press the "INFO" switch and then select "Screen Setting."
- Set the "Switch Color" to "Green" (initial setting) and check if the display returns to normal.
OK: Returns to normal.
END
2 CHECK CABIN
- Check that the cabin temperature is warmer than -20C (-4.0F).
OK: Cabin is warmer than -20C (-4.0F).
3 CHECK COLOR BAR (DISPLAY CHECK MODE)
- Enter the "Display Check" mode (Color Bar Check).
- Check that the color bars match the displayed names.
OK: Color bars match the displayed names.
4 CHECK NAVI COLOR BAR (NAVIGATION CHECK MODE)
- Enter the "Navigation Check" mode (NAVI Color Bar Check).
- Check that the color bars match the displayed names.
OK: Color bars match the displayed names.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Display Panel does not Open, Tilt or Tilts Improperly
INSPECTION PROCEDURE
1 CHECK RADIO AND NAVIGATION ASSEMBLY
Check for foreign matter or obstructions caught in the
moving parts of the panel.
OK:
No obstruction or foreign matter found.
...
Poor Sound Quality in All Modes (Low Volume)
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
Set "BASS", "MID" and "TREB" to the initial values and
check that sound is normal.
OK:
Malfunction disappears.
2 C ...
Other materials:
Removal
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY
HINT:
Refer to the instructions for disassembly of the front seat assembly
(for flat type).
Refer to the instructions for disassembly of the front seat assembly
(for manual seat).
Refer to the instructions for disassembly of the fro ...
Rear Occupant Classification Sensor LH Collision
Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1787 is output when the occupant classification ECU receives a collision
detection signal sent by
the rear occupant classification sensor LH if an accident occurs.
DTC B1787 is also output when the front s ...
Check mode procedure
HINT:
Intelligent tester only:
Compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
NOTICE:
All the stored DTCs and freeze frame data are erased if:
the ECM is changed from nor ...
