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:
Reassembly
1. INSTALL CENTER SUPPORT BEARING ASSEMBLY NO.1
(a) Set the center support bearing assembly No. 1
(front) to the intermediate shaft, as shown in the
illustration.
(b) Install a new washer to the intermediate shaft.
NOTICE:
Be sure to install the bearing in the correct
direction.
(c ...
Initialization not Completed
DTC C2177/77 Initialization not Completed
DESCRIPTION
Initialization is necessary after replacing any of the ECUs, tires with
different tire pressure, or tire pressure
warning valve and transmitter, after rotating the tires or when a new vehicle is
delivered.
WIRING DIAGRAM
INSPECTI ...
How to proceed with
troubleshooting
HINT:
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Confirm problem symptoms
3 CHECK MULTIPLEX COMMUNICATION SYSTEM*
Check if the multiplex communication system DTC is
output.
HINT:
The center airbag sensor assembly of this system is
co ...