Touch Panel Switch does not Function [04/2018 -]: Procedure

1. Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

   OK

   No foreign matter is caught between the display and exterior frame of the multi-display.

   HINT: 

   • If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.
   • Turn the engine switch on (ACC) or on (IG) with your hand touching the operating section, non-response may occur.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REMOVE FOREIGN MATTER 

Result: 

OK 

See step  2

1. Check for foreign matter on the display.

   OK

   The display is clean.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

CLEAN DISPLAY AND RECHECK TOUCH PANEL 

Result: 

OK 

See step  3

1. Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Refer to OPERATION CHECK [04/2018 - 08/2020] , or refer to OPERATION CHECK [08/2020 -]

2. Touch the display in the area where the switch malfunction occurs.

   OK

   A "+" mark appears at the touched position.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [04/2018 -] 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2018 - 08/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 -]