Toyota 4Runner manuals

Toyota 4Runner: 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.

HINT:

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


OK

END


NG

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 check that the malfunction disappears. OK: Malfunction disappears. OK ...

Other materials about Toyota 4Runner:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

Lost Communication with ECM/PCM "A" (U0100/71,U0122/71,U0124/71,U0126/71)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area U0100/71 While driving at 30 km/h (19 mph), the ECM indicates a CAN communication stop for 3 seconds or more. CAN communicati ...

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