Toyota Sienna Service Manual: Sound Signal Circuit between Video Terminal and Television Display
DESCRIPTION
This is the sound signal circuit from the video (video adapter) terminal to the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL)
- Disconnect the connectors from the video (video adapter) terminal and television display assembly.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
2 INSPECT VIDEO TERMINAL
- Reconnect the video (video adapter) terminal connector.
- Using an oscilloscope, check the signal waveform between each terminal and body ground according to the conditions, as shown in the chart.
HINT: An external device system is playing (When the video (video adapter) terminal is used).
Signal waveform
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
A Remote Control System does not Operate
INSPECTION PROCEDURE
1 CHECK SYSTEM
Check that the remote control operation of the rear
system is not locked by the radio receiver or the radio
and navigation assembly.
Check ...
Display Signal Circuit between Video Terminal and Television Display
DESCRIPTION
This is the display signal circuit from the video terminal to the television
display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (TELEVISION DISPL ...
Other materials:
Fail-safe chart
1. FAIL-SAFE FUNCTION
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on eac ...
Speed Signal Circuit
DESCRIPTION
The clearance warning ECU receives the vehicle speed signal from the
combination meter.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to
the combination meter. The signal
is changed to a pulse signal at the transistor in the combination meter.
...
Setup menu
You can adjust the audio system to your desired settings.
Display “Setup” screen
Press the “SETUP” button to display the “Setup” screen.
Select to adjust the settings for operation sounds, screen animation,
etc.
Select to set the voice settings.
Select to adjust th ...
