Headup Display Malfunction [11/2021 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Combination Meter > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 03/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2022 - ] 

Result: 

A 

See step  2

1. Check the problem symptoms.

   Result

   Result	Proceed to
   Display position abnormality	A
   Display screen abnormality	B

Result: 

B 

See step  6

Result: 

A 

See step  3

1. Perform the Active Test according to the display on the GTS.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   HUD Display Position	Headup display (Display position)	Up (+3), Up (+2), Up (+1), Center, Down (-1), Down (-2) or Down (-3)	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HUD Display Position

   Result

   Result	Proceed to
   Active Test can be performed correctly	A
   Active Test cannot be performed correctly	B

Result: 

B 

REPLACE METER MIRROR SUB-ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

Result: 

A 

See step  4

1. Check that the meter mirror sub-assembly is correctly installed to the vehicle.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

INSTALL METER MIRROR SUB-ASSEMBLY 

Result: 

OK 

See step  5

1. Adjusts headup display position using the customize setting.

   Refer to CUSTOMIZE PARAMETERS [11/2021 - 03/2024] , or refer to CUSTOMIZE PARAMETERS [03/2024 - ]

   Result

   Result	Proceed to
   Problem symptoms disappear	A
   Problem symptoms do not disappear	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

1. Perform the Active Test according to the display on the GTS.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Color Test Screen (Black)	Headup display (Black color display)	ON	-
   Color Test Screen (White)	Headup display (White color display)	ON	-
   Color Test Screen (Red)	Headup display (Red color display)	ON	-
   Color Test Screen (Green)	Headup display (Green color display)	ON	-
   Color Test Screen (Blue)	Headup display (Blue color display)	ON	-
   Color Test Screen (Color Bars)	Headup display (Color bars)	ON	-
   Liquid Crystal Display Backlight Brightness	Headup display (display brightness)	0 to 100%	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Color Test Screen (Black)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Color Test Screen (White)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Color Test Screen (Red)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Color Test Screen (Green)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Color Test Screen (Blue)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Color Test Screen (Color Bars)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Liquid Crystal Display Backlight Brightness

   Result

   Result	Proceed to
   Active Test can be performed correctly	A
   Active Test cannot be performed correctly	B

Result: 

B 

REPLACE METER MIRROR SUB-ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

Result: 

A 

See step  7

1. Disconnect the No. 1 combination meter mirror plate from the meter mirror sub-assembly.

   Refer to DISASSEMBLY [11/2021 - ]

2. Check that the No. 1 combination meter mirror plate is operating normally.

   HINT: 

   If there is a malfunction such as severe deformation, damage or haze, replace the No. 1 combination meter mirror plate as it may adversely affect the display.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE NO. 1 COMBINATION METER MIRROR PLATE. Refer to  DISASSEMBLY [11/2021 - ] 

Result: 

OK 

See step  8

1. Adjusts headup display image using the customize setting.

   Refer to CUSTOMIZE PARAMETERS [11/2021 - 03/2024] , or refer to CUSTOMIZE PARAMETERS [03/2024 - ]

   Result

   Result	Proceed to
   Problem symptoms disappear	A
   Problem symptoms do not disappear	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ]