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  6

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. Choose the model to be inspected.

   Result

   Result	Proceed to
   w/ Headup Display System	A
   w/o Headup Display System	B

Result: 

B 

See step  5

Result: 

A 

See step  4

1. Check if headup display system DTCs are output.

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

   Body Electrical > Head Up Display > Trouble Codes 

   Result

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

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [11/2015 -] 

Result: 

B 

GO TO AUDIO AND VISUAL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 -] 

1. Replace the combination meter assembly (meter circuit plate) with a new one.

   HINT: 

   Refer to DISASSEMBLY [11/2015 -]

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 (meter circuit plate) and navigation receiver assembly.

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

   Body Electrical > Combination Meter > Trouble Codes 

   Result

   Result	Proceed to
   The audio tab illuminates and DTC B150A is not output.	A
   The audio tab does not illuminate and DTC B150A is output.	B

Result: 

A 

END (COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE) WAS DEFECTIVE) 

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  7

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   w/ Headup Display System	A
   w/o Headup Display System	B

Result: 

B 

See step  9

Result: 

A 

See step  8

1. Check if headup display system DTCs are output.

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

   Body Electrical > Head Up Display > Trouble Codes 

   Result

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

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [11/2015 -] 

Result: 

B 

GO TO NAVIGATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 -] 

1. Replace the combination meter assembly (meter circuit plate) with a new one.

   HINT: 

   Refer to DISASSEMBLY [11/2015 -]

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 (meter circuit plate) and navigation receiver assembly.

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

   Body Electrical > Combination Meter > Trouble Codes 

   Result

   Result	Proceed to
   The audio tab illuminates and DTC B150A is not output.	A
   The audio tab does not illuminate and DTC B150A is output.	B

Result: 

A 

END (COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE) WAS DEFECTIVE) 

Result: 

B 

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