Toyota Tacoma (2015-2018) Service Manual: Sound Quality is Bad Only when CD is Played (Volume is Too Low)

Toyota Tacoma (2015-2018) Service Manual / Audio / Video / Audio And Visual System / Sound Quality is Bad Only when CD is Played (Volume is Too Low)

PROCEDURE

1.	REPLACE CD AND RECHECK

(a) Replace the CD with a known good one and check that the malfunction disappears.

OK:

Malfunction disappears.

END

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

No Sound can be Heard from Speakers

PROCEDURE 1. CHECK AUDIO SETTINGS (a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal. OK: A ...

CD cannot be Ejected

PROCEDURE 1. CHECK OPERATION (a) Press the disc eject switch of the radio and display receiver assembly for 5 seconds or more and check that the CD is ejected. OK: ...

Other materials:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE MILLIMETER WAVE RADAR WIRE (w/ Toyota Safety Sense P) Click here 2. REMOVE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Toyota Safety Sense P) Click here 3. REMOVE NO. 1 RADIATOR GRILLE GARNISH (a) When Replacing the No. 1 Radiator Grille Garnish: (1) Apply p ...

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (a) When there is a malfunction such as noise from a speaker or no sound at all, replace the speaker with a new one and check that the malfunction disappears. OK: Malfunction disappears. HINT: Connect the connectors to th ...

Rear Occupant Classification Sensor RH Collision Detection (B1788)
DESCRIPTION DTC B1788 is set when the occupant detection ECU receives a collision detection signal, which is sent by the occupant classification sensor rear RH when an accident occurs. DTC B1788 is also set when the front seat with adjuster frame assembly RH is subjected to a strong impact, ...