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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Disconnect the MB main body ECU (multiplex network body ECU) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on ...

Instrument panel
*1: 4WD models only *2: If equipped *3: Vehicles with a manual transmission *: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL”. *1: If equipped *2: 4WD models only ...

ECU Malfunction (B1003)
DESCRIPTION DTC No. DTC Detection Condition Trouble Area B1003 A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. Central gateway ECU (network gateway ECU) PROC ...