Toyota Sienna Service Manual: Sound Signal Circuit between Radio and Navigation Assembly and Stereo Jack Adapter
DESCRIPTION
The stereo jack adapter sends an external device sound signal to the radio and navigation assembly through this circuit.
The sound signal that has been sent is amplified by the stereo component amplifier and then is sent to the speakers.
If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier radio and navigation assembly or speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO JACK ADAPTER)
- Disconnect the connectors from the stereo jack adapter and radio and navigation assembly.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Sound Signal Circuit between Radio and Navigation Assembly and
Stereo Component Amplifier
DESCRIPTION
The radio and navigation assembly sends a sound signal to the stereo
component amplifier through this
circuit.
The sound signal that has been sent is amplified by the stereo compone ...
Mute Signal Circuit between Radio and Navigation Assembly and
Television Display Assembly
DESCRIPTION
The radio and navigation assembly controls the volume according to the MUTE
signal from the television
display assembly.
The MUTE signal is sent to reduce noise and a popping sound ...
Other materials:
Disc cannot be Played/ No Playable Files/ Copyright Protection Error/ Disc
cannot be Played/ No Playable Files/ Copyright Protection Error
DTC 62-7D Disc cannot be Played
DTC 62-7E No Playable Files
DTC 62-7F Copyright Protection Error
DTC 63-7D Disc cannot be Played
DTC 63-7E No Playable Files
DTC 63-7F Copyright Protection Error
DESCRIPTION
INSPECTION PROCEDURE
HINT:
After the inspection is completed, clear the DTCs.
1 ...
Poor Sound Quality in All Modes (Low Volume)
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
Set "BASS", "MID", and "TREB" to the initial values and
check that sound is normal.
OK:
Malfunction disappears.
2 COMPARE WITH ANOTHER VEHICLE OF SAME MODEL
Compare with another vehicle of the same model.
...
Installation
HINT:
Install the RH side by the same procedure as the LH side.
1. INSTALL REAR DISC BRAKE CYLINDER MOUNTING
LH
(a) Install the rear disc brake cylinder mounting LH with
the 2 bolts.
Torque: 88 N*m (900 kgf*cm, 65 ft.*lbf)
2. INSTALL REAR DISC BRAKE PAD SUPPORT PLATE
(a) Install the rear d ...
