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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SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 CLOCK ASSEMBLY *2 COMBINATION METER ASSEMBLY *3 RADIO RECEIVER ASSEMBLY *4 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ACC FUSE - PANEL FUSE *5 NO. 2 ENGINE ROOM RELAY BLOCK - ECU-B NO.1 FUSE - -

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to follow the correct removal and installation procedures of the occupant classification ECU. PROCEDURE 1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here 2. INS

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