DESCRIPTION These DTCs are stored when a malfunction occurs in the Navigation ECU.
CAUTION / NOTICE / HINT NOTICE: When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
PROCEDURE
(a) Clear the DTCs. Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output. Body Electrical > Navigation System > Trouble CodesOK: No DTCs are output.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected ...