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 systemU1218 AV control unit
DTC Logic
U1219 AV CONTROL UNIT
DTC Logic
U121A AV CONTROL UNIT
DTC Logic
U121B AV CONTROL UNIT
DTC Logic
U121C AV CONTROL UNIT
DTC Logic
...
Symptom diagnosis
SYSTEM SYMPTOM
Symptom Table
The diagnostics item numbers show the sequence for
inspection. Inspect in order from item 1.
...
Remote keyless entry receiver
Description
Receives Intelligent Key operation and transmits to BCM.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check remote keyless entry receiver RKE OPE COUN1 in Data Monitor mode with
CONSULT
Diagnosis Procedure
1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
...