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:

Inspection
INSPECTION PROCEDURE 1. INSPECT OUTER MIRROR LH (a) Check the outer mirror heater operation. Text in Illustration *a Component without harness connected (Outer Mirror LH) (1) Measure the resistance according to the value(s) ...

System Diagram
SYSTEM DIAGRAM This is a detailed diagram related to the main body ECU (multiplex network body ECU). Component Function Front door outside handle assembly LH Receives request signals from the certification ECU (smart key ECU assembly) ...

Pressure Sensor Circuit (B1423/23)
DESCRIPTION This DTC is stored if refrigerant pressure on the high pressure side is extremely low (176 kPa (1.8 kgf/cm2, 26 psi) or less) or extremely high (3140 kPa (32.0 kgf/cm2, 455 psi) or more). The air conditioner pressure sensor, which is installed on the pipe on the high pressure side ...