DTC B1321: Lost Communication with EMV [11/2017 - ]: Procedure

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   w/ Navigation System	A
   w/o Navigation System	B

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Check if navigation system DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO NAVIGATION SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 03/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2019 - 09/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2020 - 11/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 01/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [01/2023 - ] 

Result: 

A 

See step  3

1. Check that the multi-display assembly can be operated by operating the remote touch (remote operation controller assembly).

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

Result: 

NG 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [11/2017 - 03/2019]  , or refer to  REMOVAL [03/2019 - ] 

1. Check if audio and visual system DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO AUDIO AND VISUAL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 03/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2019 - 09/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2020 - ] 

Result: 

A 

See step  5

1. Check that the multi-display assembly can be operated by operating the remote touch (remote operation controller assembly).

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

Result: 

NG 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [11/2017 - 03/2019]  , or refer to  REMOVAL [03/2019 - ]