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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK 4WD CONTROL ECU (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Speci ...

PTC Heater Circuit
DESCRIPTION PTC heater relays are closed in accordance with signals from the air conditioning amplifier assembly and power is supplied to the quick heater assembly installed on the radiator heater unit. WIRING DIAGRAM PROCEDURE 1. ...

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