SYSTEM DESCRIPTION
AUDIO SYSTEM
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 audio unit then sends audio signals to the front door speakers, tweeters, rear door speakers, subwoofer amp. and subwoofers.
Refer to Owner's Manual for audio system operating instructions.
Component Parts Location

Component Description
| Part name | Description |
| Audio unit | Controls audio and AUX IN system functions |
| Steering wheel audio control switches |
|
| Front door speakers |
|
| Tweeters |
|
| Rear door speakers |
|
| Bluetooth control unit |
|
| Display unit |
|
| Subwoofer amp |
|
| Subwoofers |
|
Diagnosis and repair workflow
Hands-free phone systemB2130 eeprom
DTC Logic
DTC DETECTION LOGIC
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2130
EEPROM
Driver seat control unit detected CPU malfunction
Driver seat control unit
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATI ...
DTC/circuit diagnosis
CHARGING SYSTEM PRELIMINARY INSPECTION
Diagnosis Procedure
1.CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight
2.CHECK FUSE
Check for blown fuse and fusible link.
3.CHECK GENERATOR GROUND TERMINAL CONNECTION
Check if connector E230 terminal 5 (generator groun ...
Diagnosis system (bluetooth control unit)
Diagnosis Description
The Bluetooth control unit has two diagnostic checks. The first diagnostic
check is performed automatically every ignition cycle during control unit
initialization. The second diagnostic check is performed by the technician
using the steering wheel audio control switches ...