DTC B1511-87: Lost Communication with Meter Gigabit Video Interface Missing Message [10/2022 - ]: Procedure

Pre-procedure1

• Disconnect the C173 meter mirror sub-assembly connector.
• Disconnect the C172 combination meter assembly connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  C173-1 (HGV+) - C172-2 (HGV+)	Always	Below 1 Ω	Ω
  C173-2 (HGV-) - C172-1 (HGV-)	Always	Below 1 Ω	Ω
  C173-3 (HGVG) - C172-3 (HGVG)	Always	Below 1 Ω	Ω
  C173-1 (HGV+) or C172-2 (HGV+) - Body ground	Always	10 kΩ or higher	kΩ
  C173-2 (HGV-) or C172-1 (HGV-) - Body ground	Always	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Replace the meter mirror sub-assembly with a new or known good one.

   HINT: 

   Refer to REMOVAL [10/2022 - 08/2023] , or refer to REMOVAL [08/2023 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Clear the DTCs.

   Body Electrical > Combination Meter > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Body Electrical > Combination Meter > Trouble Codes 

   Result

   Result	Proceed to
   B1511-87 is not output	A
   B1511-87 is output	B

Result: 

A 

END (METER MIRROR SUB-ASSEMBLY IS DEFECTIVE) 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2022 - 10/2024]  , or refer to  REMOVAL [10/2024 - ]