Toyota 4Runner: Sound Quality is Bad Only when CD is Played (Volume is Too Low)

Toyota 4Runner Service Manual / Audio / Visual / Telematics / 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) Set volume, fader and balance to the initial values and check that sound is normal. OK: Audio system returns to normal. HI ...

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 about Toyota 4Runner:

Vehicle data recordings
Your Toyota is equipped with several sophisticated computers that will record certain data, such as: • Engine speed • Accelerator status • Brake status • Vehicle speed • Shift position The recorded data varies according to the vehicle gr ...

IG Power Source Circuit
DESCRIPTION The main power source is supplied to the air conditioning amplifier assembly when the ignition switch is turned to ON. The power source is used for operating the air conditioning amplifier assembly, servo motors, etc. WIRING DIAGRAM CAUTIO ...