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

1. Check if navigation system DTCs are output.

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

   Result

   Result	Proceed to
   Navigation system DTCs are not output.	A
   Navigation system DTCs are output.	B

Result:  2

B 

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

Result:  1

A 

See step  2

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

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

   Result

   Result	Proceed to
   Audio and visual system DTCs are not output.	A
   Audio and visual system DTCs are output.	B

Result:  2

B 

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

Result:  1

A 

See step  3

1. Disconnect the P1 combination meter mirror ECU connector.
2. Disconnect the N68 multi-media module receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P1-15 (TX-) - N68-4 (CNL1)	Always	Below 1 Ω
   P1-14 (TX+) - N68-3 (CNH1)	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. Check if head up display system DTCs are output.

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

   Result

   Result	Proceed to
   DTC B150A is not output.	A
   DTC B150A is output.	B

Result:  1

A 

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

Result:  2

B 

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