Touch Panel Switch does not Function [08/2015 - 08/2019]: 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.

Result: 

NG 

REMOVE FOREIGN MATTER 

Result: 

OK 

See step  2

1. Check for foreign matter on the display.

   OK

   The display is clean.

Result: 

NG 

CLEAN DISPLAY AND RECHECK TOUCH PANEL 

Result: 

OK 

See step  3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check (Refer to OPERATION CHECK [08/2015 - 08/2017] , or refer to OPERATION CHECK [08/2017 - 08/2019] ).
2. Touch the display in the area where the switch malfunction occurs.

   OK

   A "+" mark appears at the touched position.

Result: 

OK 

REPLACE NAVIGATION RECEIVER ASSEMBLY 

(Refer to REMOVAL [08/2015 - 08/2019] )

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2017] , or refer to PROBLEM SYMPTOMS TABLE [08/2017 - 08/2019] )