Toyota Tacoma (2015-2018) Service Manual: Poor Sound Quality in All Modes (Low Volume)

Toyota Tacoma (2015-2018) Service Manual / 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) Check that the voice guidance setting is not off. OK: Voice guidance setting is not off. NG CHANG ...

Other materials:

Front Camera Module Circuit (C1AA0)
DESCRIPTION When an internal malfunction is detected in the forward recognition camera, DTC C1AA0 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1AA0 Front Camera Module Circuit 3 seconds ...

Speaker Output Short (B15C3)
DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. DTC Detection Condition Trouble Area B15C3 A short is detected in the speaker output circuit. Harness or connector Speaker ...

Rear Differential Lock Control SW Stuck ON (P17CC)
DESCRIPTION This DTC is output when a malfunction of the differential lock switch is detected. DTC No. Detection Item DTC Detection Condition Trouble Area P17CC Rear Differential Lock Control SW Stuck ON ...