DESCRIPTION This circuit provides power to the radio and display receiver assembly. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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Toyota Tundra Service Manual > Navigation System: Poor Sound Quality in All Modes (Low Volume)
PROCEDURE 1. CHECK AUDIO SETTINGS (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. OK END NG 2. COMPARE WITH ANOTHER VEHICLE OF SAME MODEL (a) Compare ...