PROCEDURE
(a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: Malfunction disappears. HINT: Sound quality adjustment measures vary according to the type of amplifier.
(a) Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality. OK: No difference is found.
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Toyota Tundra Service Manual > Audio And Visual System: Operation Check
OPERATION CHECK 1. CHECK PANEL & STEERING SWITCH HINT: The radio and display receiver assembly panel switches are checked in the following procedure. Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be ex ...
