Toyota 4Runner: No Sound can be Heard from Speakers

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Navigation / Multi Info Display / Navigation System / 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:

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 Disc is Played (Volume is Too Low)

CAUTION / NOTICE / HINT NOTICE: After replacing the navigation receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary. PROCEDURE ...

Other materials about Toyota 4Runner:

Steering Angle Sensor Circuit (C15F1)
DESCRIPTION The power steering ECU assembly receives steering angle signals from the steering angle sensor via CAN communication. The power steering ECU assembly provides appropriate assisting force in accordance with the steering angle signal. ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very usefu ...