DTC B1326: Lost Communication with Clock Device (Local-CAN) [08/2019 - ]: Procedure

1. Check the operation of the clock assembly.

   Result

   Result	Proceed to
   The clock assembly is operating correctly	A
   The clock assembly is not operating correctly	B

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Disconnect the J79 clock assembly connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   J79-1 (B) - Body ground	Engine switch off	11 to 14 V
   J79-2 (ACC) - Body ground	Engine switch on (ACC)	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J79-7 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CLOCK ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Choose the model to be inspected.

   Result

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

Result: 

B 

See step  7

Result: 

A 

See step  5

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 

for 12.3 Inch Display: Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ]

for 8 Inch Display: Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ]

Result: 

A 

See step  6

1. Disconnect the J79 clock assembly connector.
2. Check if audio and visual system DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   HINT: 

   When the J79 connector of the clock assembly is disconnected and audio and visual system DTCs are output, if the radio receiver assembly detects the malfunction but the combination meter assembly does not, it can be suspected that the combination meter assembly is malfunctioning.

   Result

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

Result: 

A 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

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 [08/2019 - ] 

Result: 

A 

See step  8

1. Disconnect the J79 clock assembly connector.
2. Check if navigation system DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   HINT: 

   When the J79 connector of the clock assembly is disconnected and navigation system DTCs are output, if the radio receiver assembly detects the malfunction but the combination meter assembly does not, it can be suspected that the combination meter assembly is malfunctioning.

   Result

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

Result: 

A 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ]