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 engine 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 > Lane Departure Alert System (w/ Steering Control)(for Gasoline Model): Lost Communication with Cruise Control Front Distance Range Sensor (U0235)
DESCRIPTION The forward recognition camera communicates with the millimeter wave radar sensor assembly via CAN communication. If there is a communication error with the millimeter wave radar sensor assembly, the forward recognition camera stores DTC U0235. DTC No. Detection Item DTC Detection Condit ...

Toyota Avalon (XX50) 2019-2022 Owners Manual