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:
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
oper ...
Vehicle Position Mark is not Updated
INSPECTION PROCEDURE
1 CHECK MAP DISC
Check that the map disc is not deformed or cracked.
OK:
No deformations or cracks on map disc.
2 CHECK MAP DISPLAY
Check if a touch scroll can be performed on the map
display.
OK:
Touch scroll can be performed
3 CHECK VEHICLE SENSOR (NAV ...
Installation
1. INSTALL FRONT BUMPER ASSEMBLY
Push the front bumper onto the front of the vehicle
and engage the claws on the left and right sides of
the front bumper to install it as shown in the
illustration.
HINT:
Apply protective tape to the bottom part of the
front fender to prevent i ...
