Lexus NX: Sound Quality is Bad Only when Disc is Played (Volume is Too Low)

Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / Sound Quality is Bad Only when Disc is Played (Volume is Too Low)

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio receiver assembly, always replace it with a new one.

If a radio receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC may be stored.
  • The radio receiver assembly may not operate normally.

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

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PROCEDURE

1.

REPLACE DISC AND RECHECK

(a) Replace the disc with a known good one and check that the malfunction disappears.

OK:

Malfunction disappears.

OK

END

NG

2.

CHECK NOISE CONDITION

(a) Check that noise is output from the speakers when a disc is inserted and is being read.

OK:

Noise is output.

OK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

NG

REPLACE RADIO RECEIVER ASSEMBLY

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CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following

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CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following

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CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following

SEE MORE:

 No Sound can be Heard from Speakers

PROCEDURE 1. CHECK AUDIO SETTINGS (a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal. OK: Audio system returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier. OK END

 System Description

SYSTEM DESCRIPTION FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION The driver seat is equipped with slide, reclining, rear lifter, front vertical, and lumbar support adjustment functions. The memory call function uses the key ID code of the key to memorize and recall the appropriate driving positio

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