Toyota Sienna Service Manual: 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 DISPLAY ASSEMBLY - VIDEO TERMINAL)
- Disconnect the connectors from the video 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.
- 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 video terminal operating condition can be determined if any waveform is output.
- Oscilloscope waveform
- Terminal: NTSC - Body ground
Setting: 200mV/DIV, 10 μs/DIV
Condition: DVD display is ON.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
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 (TE ...
Television Display Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT TELEVISION DISPLAY ASSEMBLY
Disconnect the connec ...
Other materials:
Precaution
NOTICE:
Perform the RESET MEMORY (AT initialization) when
replacing the automatic transaxle assembly, engine
assembly or ECM (See page AX-16).
Perform the REGISTRATION (VIN registration) when
replacing the ECM (See page ES-15).
HINT:
RESET MEMORY can not be ...
Brake Switch
DESCRIPTION
The stop light switch is a duplex system that transmits two signals: STP and
ST1-. These two signals are
used by the ECM to monitor whether or not the brake system is working properly.
If the signals, which
indicate the brake pedal is being depressed or released, are detected ...
Rear Occupant Classification Sensor RH Circuit
Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor RH circuit consists of the occupant
classification ECU and the
rear occupant classification sensor RH.
DTC B1783 is recorded when a malfunction is detected in the rear oc ...
