DTC B1510-87: Lost Communication with HUD Gigabit Video Interface Missing Message [10/2023 - ]: Procedure

1. Turn the settings of the headup display to ON and confirm the startup operation.

   Result

   Result	Proceed to
   The headup display starts	A
   The headup display does not start	B

Result: 

B 

See step  6

Result: 

A 

See step  2

1. Disconnect the G178 meter mirror sub-assembly connector.
2. Disconnect the G179 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G179-1 (MGV+) - G178-2 (HGV+)	Always	Below 1 Ω
   G179-2 (MGV-) - G178-1 (HGV-)	Always	Below 1 Ω
   G179-3 (MGVG) - G178-3 (HGVG)	Always	Below 1 Ω
   G179-1 (MGV+) or G178-2 (HGV+) - Body ground	Always	10 kΩ or higher
   G179-2 (MGV-) or G178-1 (HGV-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

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

   HINT: 

   Refer to REMOVAL [10/2023 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Clear the DTCs.

   Body Electrical > Combination Meter > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check for DTCs.

   Body Electrical > Combination Meter > Trouble Codes 

   Result

   Result	Proceed to
   B1510-87 is not output	A
   B1510-87 is output	B

Result: 

A 

END (METER MIRROR SUB-ASSEMBLY IS DEFECTIVE) 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2023 - ] 

1. Disconnect the G213 meter mirror sub-assembly connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G213-5 (B) - Body ground	Ignition switch ON	11 to 14 V
   G213-10 (IG) - Body ground	Ignition switch off	Below 1 V
   G213-10 (IG) - Body ground	Ignition switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G213-6 (ES)- Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE METER MIRROR SUB-ASSEMBLY. Refer to  REMOVAL [10/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR