Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: 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 areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Vehicle Proximity Notification System

Symptom	Suspected Area	Link
Sound is not produced	Refer to "There is No Sound Made"
When engine starts or shift lever is in P, sound does not stop	Refer to "The Sound does not Stop when The Engine is Operated or when The Shift Lever is in P"
Communication between vehicle proximity notification system (vehicle approaching speaker controller) and Techstream is not possible	Refer to "Communication between Vehicle Proximity Notification System and Diagnostic Tool is not Possible"

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Active Noise Control System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or state ...

Toyota Avalon (XX50) 2019-2022 Owners Manual