Toyota Yaris: Headup Display System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Meter / Gauge / Display / Headup Display System / 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 (Steering pad switch is normal)	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 (Steering pad switch is normal)	Read the Data List (Brightness Up Switch, Brightness Down Switch)
	Perform Active Test (Display Brightness)
	Meter mirror sub-assembly
	Combination meter assembly
Display position of the headup display does not change (Steering pad switch is normal)	Read the Data List (Projection Position Up Switch, Projection Position Down Switch)
	Perform Active Test (Display Position)
	Meter mirror sub-assembly
	Combination meter assembly
Headup display is not displayed in the correct position or is difficult to see	Headup display position initialization
	Check customize parameters
	Read the Data List (Display Angle)
	Perform Active Test (Display Position)
	Meter mirror sub-assembly
	Combination meter assembly
Individual segments or entire display is not displayed (Other systems are normal)	Perform Active Test (Color Test Screen (Black), Color Test Screen (White), Color Test Screen (Red), Color Test Screen (Green), Color Test Screen (Blue), Color Test Screen (Color Bars))
	Meter mirror sub-assembly
	Combination meter assembly
Illumination is always dark or does not dim at night (Lighting system (EXT) is normal)	Meter mirror sub-assembly

Utility

UTILITY MIRROR POSITION INITIALIZATION HINT: Use this procedure to return the display of the headup display to its initial position. (a) Perform the procedure displayed on the GTS...

Terminals Of Ecu

TERMINALS OF ECU METER MIRROR SUB-ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condition H61-1 (IG) - Body ground Power source for engine stop and start ECU assembly Ignition switch off Below 1 V Ignition switch ON 10...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the headup display system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the problem symptoms have been accurately identified...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Installation

INSTALLATION PROCEDURE 1. INSTALL NO. 2 FUEL SENDER GAUGE ASSEMBLY (a) Attach the claw and install the No. 2 fuel sender gauge assembly. NOTICE: Be careful not to bend the arm of the fuel sender gauge assembly. (b) Attach the 2 clamps and connect the wire harness to the fuel tank vent tube assembly...