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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK 4 WHEEL DRIVE CONTROL ECU Text in Illustration *a Component with harness connected (4 Wheel Drive Control ECU) - - (a) Measure the resistance and voltage according to the value(s) in the table below. ...

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 ...

Back-up Power Source Circuit
DESCRIPTION The back-up power source circuit for the air conditioning amplifier assembly is shown below. Power is supplied even when the ignition switch is off. The power is used for diagnostic trouble code memory, etc. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for ...