DTC B1510-87: Lost Communication with HUD Gigabit Video Interface Missing Message [02/2024 - ]: 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

Pre-procedure1

1. Disconnect the n2 meter mirror sub-assembly connector.
2. Disconnect the n1 combination meter assembly connector.

   Procedure1

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   n2-1 (MGV+) - n1-2 (HGV+)	Always	Below 1 Ω
   n2-2 (MGV-) - n1-1 (HGV-)	Always	Below 1 Ω
   n2-3 (MGVG) - n1-3 (HGVG)	Always	Below 1 Ω
   n2-1 (MGV+) or n1-2 (HGV+) - Body ground	Always	10 kΩ or higher
   n2-2 (MGV-) or n1-1 (HGV-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None

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 [02/2024 - ]

   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 [02/2024 - ]

Pre-procedure1

1. Disconnect the E19 meter mirror sub-assembly connector.

   Procedure1

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   E19-5 (B) - Body ground	Ignition switch ON	11 to 14 V
   E19-10 (IG) - Body ground	Ignition switch off	Below 1 V
   E19-10 (IG) - Body ground	Ignition switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

   Post-procedure1

3. None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

Pre-procedure1

1. Disconnect the E19 meter mirror sub-assembly connector.

   Procedure1

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E19-6 (ES)- Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

   Post-procedure1

3. None

Result: 

OK 

REPLACE METER MIRROR SUB-ASSEMBLY 

Refer to REMOVAL [02/2024 - ]

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR