Symptom Table
AUDIO SYSTEM
Symptoms | Check items | Probable malfunction location |
The disk cannot be removed. | Audio unit | Malfunction in audio unit. |
No sound comes out or the level of the sound is low. | No sound from all speakers. |
|
Only a certain speaker (front door speaker LH, front door speaker RH, tweeter LH, tweeter RH, center speaker, rear door speaker LH, rear door speaker RH, rear subwoofer LH, rear subwoofer RH) does not output sound. |
|
|
Noise is mixed with audio. | Noise comes out from all speakers. |
|
Noise comes out only from a certain speaker (front door speaker LH, front door speaker RH, tweeter LH, tweeter RH, center speaker, rear door speaker LH, rear door speaker RH, rear subwoofer LH, rear subwoofer RH). |
|
|
Noise is mixed with radio only (when the vehicle hits a bump or while driving over bad roads) | Poor connector connection of antenna or antenna feeder.
Refer to AV-171, "Location of Antenna". |
|
No radio reception or poor reception. |
|
|
Buzz/rattle sound from speaker | The majority of buzz/rattle sounds are not indicative of an issue with the speaker, usually something nearby the speaker is causing the buzz/rattle. | Refer to "SQUEAK AND RATTLE TROUBLE DIAGNOSIS" in the appropriate interior trim section. |
Check Compatibility
NOTE: The customer's phone may be required, depending upon their concern.
NOTE: It is necessary to know the service provider. On occasion, a given phone may be on the approved list with one provider, but may not be on the approved list with other providers.
Symptoms | Check items | Probable malfunction location |
Does not recognize cellular phone connection (no connection is displayed on the display at the guide) | Repeat the registration of cellular phone |
|
Hands-free phone cannot be established |
|
|
The other party's voice cannot be heard by hands-free ph | Check the "microphone speaker" in Inspection & Adjustment Mode if sound i | |
Originating sound is not heard by the other party with hands-free phone communication. | Sound operation function is normal. | |
Sound operation function does not work. | Microphone signal circuit malfunction.
Refer to AV-126, "Diagnosis Procedure". |
|
The system cannot be operated. |
|
Steering switch malfunction.
Replace steering switch. Refer to AV-170, "Removal and Insta |
Steering switch's ![]() |
Steering switch signal circuit malfunction.
Refer to AV-123, "Diagnosis Procedure |
|
All steering switches do not work. | Steering switch ground circuit malfunction.
Refer to AV-123, "Diagnosis Procedure". |
B2630, B2631 sunload sensor
Description
COMPONENT DESCRIPTION
Sunload Sensor
The sunload sensor (1) is located on the driver'side defroster
grille.
It detects sunload entering through windshield by means of a
photo diode. The sensor converts the sunload into a current value,
which is then input into the A/C auto ...
Steering switch
Description
When one of the steering wheel audio control switches is pushed, the
resistance in the steering wheel audio
control switch circuit changes, depending on which button is pushed.
Diagnosis Procedure
1.CHECK STEERING SWITCH RESISTANCE
Disconnect steering switch connector M88. ...
U1310 AV control unit
Description
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
system according to communication signals from the AV contro ...