System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
When the audio system is on, radio signals are received by the window antenna. The AV control unit then sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front door speakers, tweeters, center speaker, rear door speakers and rear subwoofers.
Refer to Owner's Manual for audio system operating instructions.
SATELLITE RADIO SYSTEM (IF EQUIPPED)
The satellite radio system consists of the following components
When the satellite radio system is on, radio signals are supplied to the satellite radio tuner from the satellite antenna. The satellite radio tuner then sends audio signals to the AV control unit.
Refer to Owner's Manual for satellite radio system operating instructions.
SPEED SENSITIVE VOLUME SYSTEM
Volume level of this system goes up and down automatically in proportion to the vehicle speed. The control level can be selected by the customer. Refer to Owner's Manual for operating instructions.
Component Parts Location
Component Description
Part name | Description |
AV control unit | Controls audio system, USB connection,AUX IN connection and satellite radio system functions |
Display unit | Displays all audio and climate control related information |
BOSE speaker amp. | Receives power (amp ON) and audio signals from AV control unit and outputs audio signals to each speaker. |
Steering wheel audio control switches |
|
Front door speakers |
|
Tweeters |
|
Center speaker |
|
Rear door speakers |
|
Rear subwoofer |
|
Satellite radio tuner (if equipped) |
|
Satellite antenna (if equipped) | Audio signal (satellite radio) is received and output to AV control unit. |
Tweeter
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the tweeters using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and speaker ...
Multi AV system symptoms
Symptom Table
RELATED TO NAVIGATION
Trouble Diagnosis Chart by Symptom
RELATED TO HANDS-FREE PHONE
Before performing diagnosis, confirm that the cellular phone being
used by the customer is compatible with
the vehicle.
It is possible that a malfunction is occurring due to a versio ...
B260A ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...