Toyota Sienna Service Manual: Display Signal Circuit between Television Display Assembly and Radio and Navigation Assembly
DESCRIPTION
This circuit sends a DVD image signal from the television display assembly to the radio and navigation assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)
- Disconnect the radio and navigation assembly connector R16 and television display assembly connector T14.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
2 INSPECT TELEVISION DISPLAY ASSEMBLY
- Reconnect the television display assembly connector R16.
- Measure the waveform according to the table below.
OK
HINT: The waveform pattern may differ from that shown in the illustration below due to differences in oscilloscope setting. A normal television display assembly operating condition can be determined if any waveform is output.
- Oscilloscope waveform
- Terminal: VV+ - Body groun
Setting: 200 mV/DIV., 10 μs/DIV.
Condition: DVD display is ON.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STER ...
Microphone Circuit between Microphone and Radio and Navigation
Assembly
DESCRIPTION
This circuit sends a microphone signal from the microphone to the radio and
navigation assembly.
It also supplies power from the radio and navigation assembly to the microphone.
WIR ...
Other materials:
Seat Belt Buckle Switch LH Circuit Malfunction
DTC B0126/27 Seat Belt Buckle Switch LH Circuit Malfunction
DESCRIPTION
The seat belt buckle switch LH circuit consists of the center airbag sensor
assembly and the front seat
inner belt assembly LH.
DTC B0126/27 is recorded when a malfunction is detected in the seat belt buckle
switch LH ...
Rear view monitor
system
The rear view monitor system assists the driver by displaying an
image of the view behind the vehicle and guide lines while backing
up, for example while parking.
The screen illustrations used in this text are intended as examples,
and may differ from the image that is actually displayed on the
...
How to proceed with
troubleshooting
HINT:
Troubleshoot in accordance with the procedures on the
following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 PROBLEM SYMPTOMS TABLE
When problem is not listed on problem symptoms table,
proceed to A.
When problem is listed on pro ...