Toyota Tacoma (2015-2018) Service Manual: No Sound can be Heard from Speakers

Toyota Tacoma (2015-2018) Service Manual / Navigation / Multi Info Display / Navigation System / No Sound can be Heard from Speakers

PROCEDURE

1.	CHECK AUDIO SETTINGS

(a) Display the "Sound Settings" screen.

(b) Set volume, fader and balance to the initial values and check that sound is normal.

OK:

Audio system returns to normal.

HINT:

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

END

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Noise Occurs

PROCEDURE 1. NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source ca ...

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 recheck. (1) Check if the same malfunction occurs again. OK: Malfunction disappea ...

Other materials:

Check Bus 3 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and ...

Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The passenger side buckle switch circuit consists of the occupant detection ECU and the front seat inner belt assembly RH. DTC B1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are o ...

Precaution
PRECAUTION 1. HANDLING PRECAUTIONS ON STEERING SYSTEM (a) Care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in driving hazards. 2. HANDLING PRECAUTIONS ON SRS AIRBAG SYSTEM (a) The vehicle is equipped with a SRS (Supplem ...