Lexus ES manuals

Lexus ES: Poor Sound Quality in All Modes (Low Volume)

PROCEDURE

1.

CHECK AUDIO SETTINGS

(a) Set treble, middle and bass to the initial values and check that the sound is normal.

OK:

The sound returns to normal.

HINT:

Sound quality adjustment measures vary according to the type of amplifier.

OK

END

NG

2.

COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.

OK:

No difference is found.

OK

END

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

READ NEXT:

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CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function properly, or the functions may be limited using the radio receiver assembly, even if the portable a

 Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device

PROCEDURE 1. CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL (a) Check if track information is displayed normally on another "Bluetooth" audio compatible vehicle of the

 Portable Player cannot be Registered

CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function properly, or the functions may be limited using the radio receiver assembly, even if the portable a

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 Inspection

INSPECTION PROCEDURE 1. INSPECT FRONT SHOCK ABSORBER ASSEMBLY (a) Compress and extend the front shock absorber assembly rod 4 times or more. Standard: When compressed and extended at a constant speed, the stroke of the shock absorber rod is smooth with no abnormal resistance or sounds. When extende

 Installation

INSTALLATION PROCEDURE 1. INSTALL SUSPENSION TOWER DAMPER (a) Install the suspension tower damper to the front bumper extension sub-assembly LH and front bumper extension sub-assembly RH with the 4 bolts. Torque: 27.5 N·m {280 kgf·cm, 20 ft·lbf} NOTICE: Do not extend or compress the damper. 2. I

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