DTC B1511-87: Lost Communication with Meter Gigabit Video Interface Missing Message [11/2021 - 12/2023]: Procedure

1. Check for DTCs and the output pattern according to the following table.

   Body Electrical > Combination Meter > Trouble Codes 

2. Check for DTCs and the output pattern according to the following table.

   Body Electrical > Head Up Display > Trouble Codes 

   Pattern	DTC Output Part Name (Display on GTS)
   	Meter mirror sub-assembly (Head Up Display)	Combination meter assembly (Combination Meter)
   	B1511-87	B1510-87
   Pattern 1	◦	◦
   Pattern 2	◦	-

   ◦: DTC is output.-: DTC is not output

   Result

   Result	Proceed to
   Pattern 1	A
   Pattern 2	B

Result: 

A 

GO TO METER / GAUGE SYSTEM (B1510-87). Refer to  DTC B1510-87: Lost Communication with HUD Gigabit Video Interface Missing Message [11/2021 - 12/2023] 

Result: 

B 

See step  2

Pre-procedure1

• Disconnect the D156 meter mirror sub-assembly connector.
• Disconnect the D157 combination meter assembly connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  D156-1 (HGV-) - D157-2 (MGV-)	Always	Below 1 Ω	Ω
  D156-2 (HGV+) - D157-1 (MGV+)	Always	Below 1 Ω	Ω
  D156-3 (HGVG) - D157-3 (MGVG)	Always	Below 1 Ω	Ω

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE METER MIRROR SUB-ASSEMBLY. Refer to  REMOVAL [11/2021 - 12/2022]  , or refer to  REMOVAL [12/2022 - 12/2023] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (GVIF COMMUNICATION LINE)