Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Problem Symptoms Table

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Meter / Gauge / Display / Headup Display System(for Hv Model) / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptom 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.

Headup Display System

Symptom	Suspected Area	Link
Headup display is not displayed	Wire harness or connector	-
	Read the Data List (Display Change Switch)
	Meter mirror sub-assembly
	Combination meter assembly
Brightness of the headup display does not change	Check customize parameters (HUD Brightness/Position)
	Perform Active Test (Display Brightness)
	Read the Data List (Brightness Up Switch, Brightness Down Switch)
	Meter mirror sub-assembly
	Combination meter assembly
Headup display is not displayed in the correct position	Headup display position initialization
	Check customize parameters (HUD Brightness/Position)
	Perform Active Test (Display Position)
	Read the Data List (Projection Position Up Switch, Projection Position Down Switch)
	Meter mirror sub-assembly
	Combination meter assembly
Other headup display malfunction (Other systems are normal)	Meter mirror sub-assembly

Precaution

System Description

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Gasoline Model): Radio Receiver Assembly Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Radio Receiver Assembly Communication Stop Mode Any of the following conditions are met: Communication stop for "Display and Navigation (AVN)" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Problem Symptoms Table

Precaution

System Description

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual