DTC B150A: Lost Communication with HMI-LAN [10/2015 - ]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2015 - ]

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result:  3

NG 

GO TO NAVIGATION SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2015 - ] 

Result:  1

OK 

See step  2

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2015 - ]

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result:  3

NG 

GO TO AUDIO AND VISUAL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] 

Result:  1

OK 

See step  3

1. Disconnect the N39 combination meter assembly connector.
2. Disconnect the N58 multimedia module receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N39-10 (TX+) - N58-3 (CNH1)	Always	Below 1 Ω
   N39-9 (TX-) - N58-4 (CNL1)	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

OK 

See step  4

1. Replace the combination meter assembly.

   Refer to REMOVAL [09/2014 - ]

2. Turn the power switch on (IG) and wait 30 seconds.
   NOTE:

   A maximum of 30 seconds is required to send/receive the registration information between the combination meter assembly and radio receiver assembly.

3. Operate the steering pad switch assembly and check that the audio tab illuminates.
4. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2014 - ]

   OK

   The audio tab illuminates and DTC B150A is not output.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

END (COMBINATION METER ASSEMBLY IS DEFECTIVE) 

Result:  3

NG 

REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY. Refer to  REMOVAL [09/2014 - ]