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.

Front Camera System

Symptom	Suspected Area	Link
The message "Front Camera Unavailable Remove Debris On Windshield" is frequently displayed	Non-Toyota genuine front wiper blades are installed	-
	The front wiper rubbers are worn	-
	A sticker, accessory or other object is obstructing the forward recognition camera	-
	There is snow, frost, dirt, dust or oil on the windshield glass, or the windshield glass is fogged up	-
	A glass coating has been applied to the windshield glass	-
	The windshield glass is chipped or cracked	-
	Non-Toyota genuine windshield glass is installed	-
	Forward recognition camera
The message "Front Camera Unavailable" is frequently displayed	Immediately after the hybrid system is started	-
	The cabin temperature is extremely high	-
	The cabin temperature is extremely low	-
	Forward recognition camera
A system that uses the forward recognition camera does not operate	Forward recognition camera

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Tire Pressure Warning System(for Gasoline Model): Tire Position Not Identified
DESCRIPTION The tire pressure warning ECU and receiver identifies the tire position for each tire pressure warning valve and transmitter according to the wheel speed signals from the skid control ECU and acceleration rate signal from each acceleration sensor built into each tire pressure warning val ...

Toyota Avalon (XX50) 2019-2022 Owners Manual