Toyota 4Runner: Poor Sound Quality in All Modes (Low Volume)

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Audio / Video / Audio And Visual System / Poor Sound Quality in All Modes (Low Volume)

PROCEDURE

1.	CHECK AUDIO SETTINGS

(a) Set "Treble", "Mid" and "Bass" to the initial values and check that sound is normal.

OK:

Malfunction disappears.

HINT:

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

END

2.	COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

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

OK:

No difference is found.

END

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Screen Flicker or Color Distortion

PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. ...

Voice Guidance does not Function

PROCEDURE 1. CHECK VOICE GUIDANCE SETTING (a) Display the "Voice Settings" screen. (b) Check if the "Voice Recognition Prompts" is not "Off& ...

Other materials about Toyota 4Runner:

Transmission Control Cable
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE CONSOLE BOX ASSEMBLY (a) Remove the console box assembly (See page ). 2. REMOVE TRANSMISSION CONTROL CABLE ASSEMBLY (a) Move the shift lever to N. (b) Disconne ...

Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch
DESCRIPTION If the manual up/down function does not operate, there may be a malfunction in the power window regulator switch, front power window regulator motor, harness or connector. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: I ...