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.

Fuel Lid Opener System (for HV Model)

Symptom	Suspected Area	Link
Fuel lid opener does not operate	Proceed to "Fuel Lid Opener does not Operate"
Messages are not displayed on the multi-information display in the combination meter assembly	Fuel lid lock with motor assembly (fuel lid courtesy switch)
	Wire harness or connector	-
	SFI system
	Combination meter assembly
	ECM

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Hv Model): AVC-LAN Circuit
DESCRIPTION Each unit of the audio and visual system connected to the AVC-LAN (communication bus) transmits signals via AVC-LAN communication. If a short to +B or short to ground occurs in an AVC-LAN communication line, the audio and visual system will not function normally because communication is ...

Toyota Avalon (XX50) 2019-2022 Owners Manual