Toyota 4Runner manuals

Toyota 4Runner: 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:

Malfunction disappears.

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 does not have trouble 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

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. ...

Cursor or Map Rotates when Vehicle Stopped
PROCEDURE 1. CHECK CONDITION (a) Check with the customer if the vehicle has been turned by a turntable. OK: Vehicle has not been turned by a turntab ...

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