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 systemCooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cu ...
Sunroof switch
Description
Transmits switch operation signal to sunroof motor assembly.
Diagnosis Procedure
1.CHECK SUNROOF SWITCH INPUT SIGNAL
Turn ignition switch ON.
Check voltage between sunroof motor assembly harness connector
and ground.
2.CHECK SUNROOF SWITCH CIRCUIT
Turn ...
Fuel pump
Description
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
The ECM activates the fuel pump for several seconds after the ignition switch is
turned ON to improve engine
start ability. If the ECM receives a engine speed signal from the camsh ...