PROCEDURE
(a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier.
(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality. OK: No difference is found.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Washer Level Warning Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT LEVEL WARNING SWITCH ASSEMBLY HINT: This check should be performed with the level warning switch assembly installed on the washer jar. (a) Fill the washer jar with washer fluid. *a Component without harness connected (Level Warning Switch Assembly) (b) Measure the res ...