Touch Panel Switch does not Function [12/2019 - 10/2022]: Procedure

1. Check if the toyota multi operation touch system is malfunctioning.

   Refer to OPERATION CHECK [12/2019 - 10/2022]

   OK

   No malfunctions are present in the toyota multi operation touch system.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO TOYOTA MULTI OPERATION TOUCH SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] 

Result: 

OK 

See step  2

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 ignition switch to ACC or to ON 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  3

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  4

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 [12/2019 - 10/2022]

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 RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022] 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022]