DTC B150A: Lost Communication with HMI-LAN [08/2019 - ]: Procedure

1. Choose the model to be inspected.

   Result

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

Result: 

B 

See step  4

Result: 

A 

See step  2

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

   Refer to DTC CHECK / CLEAR [08/2019 - 07/2020] , or refer to DTC CHECK / CLEAR [07/2020 - ]

   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 [08/2019 - 07/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2020 - ] 

Result: 

A 

See step  3

1. Check if meter / gauge system DTCs are output.

   Refer to DTC CHECK / CLEAR [11/2015 - ]

   Body Electrical > Combination Meter > Trouble Codes 

   Result

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

Result: 

A 

REPLACE COMBINATION METER MIRROR ECU. Refer to  DISASSEMBLY [11/2015 - ] 

Result: 

B 

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

1. Check if navigation system DTCs are output.

   Refer to DTC CHECK / CLEAR [08/2019 - ]

   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  5

1. Check if meter / gauge system DTCs are output.

   Refer to DTC CHECK / CLEAR [11/2015 - ]

   Body Electrical > Combination Meter > Trouble Codes 

   Result

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

Result: 

A 

REPLACE COMBINATION METER MIRROR ECU. Refer to  DISASSEMBLY [11/2015 - ] 

Result: 

B 

REPLACE NAVIGATION RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - 07/2020]  , or refer to  REMOVAL [07/2020 - ]