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:
Data list / active test
1. DATA LIST
HINT:
Reading the DATA LIST displayed on an intelligent tester
enables values, including those of the switches, sensors,
and actuators, to be checked without removing any
parts. Reading the DATA LIST as the first step in
troubleshooting is one method to shorten diagnostic
time.
...
Removal
1. REMOVE CHARCOAL CANISTER PROTECTOR
(a) Remove the 6 bolts and charcoal canister protector.
2. REMOVE CHARCOAL CANISTER ASSEMBLY
(a) Disconnect the fuel tank vent hose from the
charcoal canister.
(1) Push the connector deep inside.
(2) Pinch portion A.
(3) Pull out the connector.
...
On-vehicle inspection
1. INSPECT FOR FUEL PUMP OPERATION AND FUEL
LEAK
(a) Check fuel pump operation.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the engine switch on (IG) and push the
intelligent tester main switch on.
NOTICE:
Do not start the engine.
(3) Select the following menu it ...
