DTC B1326: Lost Communication with Clock Device (Local-CAN) [10/2018 - ]: 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  3

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: 

A 

See step  4

Result: 

B 

GO TO NAVIGATION SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2018 - 11/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2019 - 10/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2022 - ] 

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 [10/2018 - 11/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2019 - 10/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2022 - ] 

Result: 

A 

See step  4

1. Disconnect the O159 radio receiver assembly connector.
2. Check if combination meter system DTCs are output.

   Body Electrical > Combination Meter > Trouble Codes 

   HINT: 

   If DTC 1321 is output by the meter and gauge system, it can be judged that the radio receiver assembly could perform local bus communication line diagnosis, therefore the meter / gauge system may not be malfunctioning.

   Result

   Result	Proceed to
   DTC B1321 is not output	A
   DTC B1321 is output	B

Result: 

A 

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

Result: 

B 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2018 - ]