Illumination for Panel Switch does not Come on with Tail Switch ON [10/2014 - ]: Procedure

1. Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check (Refer to OPERATION CHECK [10/2014 - 10/2015] or OPERATION CHECK [10/2015 - ] ).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Check that the display changes between ON and OFF according to the light control switch operation.

   OK

   Light Control Switch	Display
   Tail or head	ON
   Off	OFF

   HINT: 

   This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 10/2015] or PROBLEM SYMPTOMS TABLE [10/2015 - ] )