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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 464 (Navigation System) >> Symptom Diagnosis >> Multi Av System >> Symptom Table >> Audio System

Audio System

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

AV control unit.

Malfunction in AV control unit.

Refer to On Board Diagnosis Function .

No sound comes out or the level of the sound is low.

No sound from all speakers.

  • Speaker circuit shorted to ground.

    Refer to appropriate system Wiring Diagram.

  • AV control unit power supply and ground circuits malfunction.

    Refer to Diagnosis Procedure .

Only a certain speaker (front door speaker LH, front door speaker RH, tweeter LH, tweeter RH, rear speaker LH, rear speaker RH) does not output sound.

Noise is mixed with audio.

Noise comes out from all speakers.

Malfunction in AV control unit.

Refer to On Board Diagnosis Function .

Noise comes out only from a certain speaker (front door speaker LH, front door speaker RH, tweeter LH, tweeter RH, rear speaker LH, rear speaker 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 Location of Antenna .

No satellite radio reception

Satellite radio antenna malfunction

  • Poor continuity in antenna feeder.
  • Poor connector connection of antenna or antenna feeder.
  • Loose satellite radio antenna mounting nut.

    Refer to Location of Antenna .

No radio reception or poor reception.

  • Other audio sounds are normal.
  • Any radio station cannot be received or poor reception is caused even after moving to a service area with good reception (e.g. a place with clear view and no obstacles generating external noises).

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 article.