Panel Switches do not Function [04/2020 - 05/2023]: Procedure

1. Check for foreign matter around the switches that might prevent operation.

   OK

   No foreign matter is found.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REMOVE ANY FOREIGN MATTER FOUND 

Result: 

OK 

See step  2

1. Enter the "Panel & Steering Switch Check Mode" screen. Refer to Check Panel & Steering Switch in Operation Check.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Refer to OPERATION CHECK [04/2020 - 05/2023]

2. Operate the abnormal switch and check if the switch status is correctly displayed.

   OK

   The switch status is correctly displayed as operated.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [03/2017 - 05/2023] 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2020 - 10/2022]  , or refer to  PROBLEM SYMPTOMS TABLE [10/2022 - 05/2023]