Toyota Sienna Service Manual: Black Screen
INSPECTION PROCEDURE
1 CHECK DISPLAY SETTING
- Check that the display is not in "Screen OFF" mode.
OK: The display setting is not in "Screen OFF" mode.
2 CHECK IMAGE QUALITY SETTING
- Check that the screen color quality can be set.
OK: Setting is possible.
PRESS PANEL SWITCH "DISPLAY" AND SET SCREEN COLOR QUALITY TO NORMAL
3 CHECK CABIN
- Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.
HINT:
- A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may short circuit the screen.
- The appropriate cabin temperature is 20 to 30C (68 to 86F).
OK: Condensation is not likely and temperature is not high or extremely low.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or
Distorted
INSPECTION PROCEDURE
1 CHECK CELLULAR PHONE
Check if the other side can hear your voice properly.
OK:
Your voice can be heard correctly.
2 CHECK SETTINGS
Check if the mute switch is ...
Vehicle Speed Signal Circuit between Radio and Navigation Assembly
and Combination Meter
DESCRIPTION
The radio and navigation assembly receives a vehicle speed signal from the
combination meter and
information about the GPS antenna, and then adjusts vehicle position.
HINT:
...
Other materials:
Inspection
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the relief valve with engine oil and check that it
falls smoothly into the valve hole under its own
weight.
If the valve does not fall smoothly, replace the relief
valve. If necessary, replace the oil pump assembly.
2. INSPECT OIL PUMP ROTOR SET
...
Disassembly
1. REMOVE REAR DIFFERENTIAL CARRIER COVER
(a) Remove the 8 bolts from the carrier cover.
(b) Using a brass bar and a hammer, separate the
carrier cover from rear differential carrier assembly.
(c) Remove the breather plug from the rear differential
carrier cover.
(d) Remove the bol ...
MIL Circuit
DESCRIPTION
The MIL (Malfunction Indicator Lamp) is used to indicate vehicle malfunctions
detected by the ECM.
When the ignition switch is turned to the ON position, power is supplied to the
MIL circuit, and the ECM
provides the circuit ground which illuminates the MIL.
The MIL operation ...