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. |
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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. |
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Noise is mixed with audio. | Noise comes out from all speakers. |
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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). |
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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". |
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No radio reception or poor reception. |
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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 |
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Hands-free phone cannot be established |
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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". |
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The system cannot be operated. |
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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 |
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All steering switches do not work. | Steering switch ground circuit malfunction.
Refer to AV-123, "Diagnosis Procedure". |
Power supply and ground circuit
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following AV control unit fuses are not blown.
2.POWER SUPPLY CIRCUIT CHECK
Disconnect AV control unit connectors M160 and M163.
Check voltage between the AV control unit connectors M160
and M163 ...
Diagnosis system (AV control unit)
Description
The AV control unit diagnosis function starts up with multifunction
switch operation and the AV control unit
performs a diagnosis for each unit in the system during the on board
diagnosis.
Perform a CONSULT diagnosis if the on board diagnosis does not start,
e.g., the s ...
System description
CLIMATE CONTROLLED SEAT SYSTEM
System Diagram
System Description
The climate controlled seat system is controlled by the climate
controlled seat control unit.
Operation of the climate controlled seat switch sends heated or
cooled airflow and adjusts the seat temperature.
SEAT CUS ...