Toyota Sienna Service Manual: Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION
The radio receiver sends a sound signal to the stereo component amplifier 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 or speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO COMPONENT AMPLIFIER)
- Disconnect the connectors from the radio receiver and stereo component amplifier.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Speaker Circuit
DESCRIPTION
When the vehicle has a built-in type amplifier, a sound signal is
sent from the radio receiver to the
speakers via the "6 Speaker System" circuit.
When the ...
Sound Signal Circuit between Radio Receiver and Television Display
Assembly
DESCRIPTION
The television display assembly sends a sound signal to the radio receiver
through this circuit.
The sound signal that has been sent is amplified by the stereo component
amplifier ...
Other materials:
Past record
Type A
Press the “CAR” button.
Type B
Press the “APPS” button, and then select “Eco” on the screen.
If the “Trip Information” screen is displayed, select “Past Record”.
Reset the past record data
Best recorded fuel consumption
Average fuel consumption ...
Installation
1. INSTALL REAR NO. 2 SEAT ASSEMBLY RH
Place the rear No. 2 seat assembly RH in the cabin.
NOTICE:
Be careful not to damage the body.
Install the seat with the bolt.
Torque: 29 N*m (296 kgf*cm, 21 ft.*lbf)
Install the locus cable RH with the bolt.
Torque: 29 N*m ( ...
Speaker Circuit
DESCRIPTION
The sound signal that has been amplified by the stereo component amplifier is
sent to the speakers from
the stereo component amplifier through this circuit.
If there is a short in this circuit, the stereo component amplifier detects it
and stops output to the speakers.
Thus s ...