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Home >> Lexus >> 2021 >> LS 500h AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (3 Of 3) & Symptom Tests (1 Of 2) >> Meter / Gauge System >> DTC B1510-87: Lost Communication with HUD Gigabit Video Interface Missing Message [10/2023 - ] >> Procedure

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

  1. CHECK HEADUP DISPLAY 
    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  8

    Result: 

    A 

    See step  2

  2. CHECK VEHICLE TYPE 
    1. Check vehicle condition.

      Result

      Result  Proceed to 
      w/ Front LiDAR Sensor A
      w/o Front LiDAR Sensor B

    Result: 

    B 

    See step  4

    Result: 

    A 

    See step  3

  3. CHECK FOR DTC 
    1. Check for DTCs and the output pattern according to the following table.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Body Electrical > Combination Meter > Trouble Codes 

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

      Refer to DTC CHECK / CLEAR [10/2023 - ]

      Body Electrical > Head Up Display > Trouble Codes 

      Pattern DTC Output Part Name
      Combination Meter Assembly Meter Mirror Sub-assembly
      B1510-87 B1511-87
      Pattern 1 ◦ ◦
      Pattern 2 ◦ -

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

      Result

      Result Proceed to
      Pattern 1 A
      Pattern 2 B

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  4

  4. CHECK GVIF WIRE 
    1. Disconnect the combination meter assembly connector.
      GTY1086817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Combination Meter Assembly)
      *b Front view of wire harness connector
      (to Meter Mirror Sub-assembly)
    2. Disconnect the meter mirror sub-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
      G179-3 (MGVG) or G178-3 (HGVG) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. REPLACE METER MIRROR SUB-ASSEMBLY 
    1. Replace the meter mirror sub-assembly with a new one.

      Refer to REMOVAL [10/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CHECK DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Body Electrical > Combination Meter > Clear DTCs 

    2. Recheck for DTCs and check that no DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2023 - ]

      Body Electrical > Combination Meter > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (METER MIRROR SUB-ASSEMBLY IS DEFECTIVE) 

    Result: 

    NG 

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

  7. CHECK GVIF WIRE (COMBINATION METER ASSEMBLY) 
    1. Disconnect the combination meter assembly connector.
      GTY1086817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Combination Meter Assembly)
      *b Front view of wire harness connector
      (to Meter Mirror Sub-assembly)
    2. Disconnect the meter mirror sub-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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

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

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR 

  8. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. *1: w/ Front LiDAR Sensor
    2. *2: w/o Front LiDAR Sensor
    1. Disconnect the G88*1 or G213*2 meter mirror sub-assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      W/ FRONT LIDAR SENSOR

      Tester Connection Switch Condition Specified Condition
      G88-2 (B) - Body ground Ignition switch ON 11 to 14 V
      G88-1 (IG) - Body ground Ignition switch off Below 1 V
      G213-5 (B) - Body ground Ignition switch ON 11 to 14 V
      W/O FRONT LIDAR SENSOR

      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  9

  9. CHECK HARNESS AND CONNECTOR (METER MIRROR SUB-ASSEMBLY - BODY GROUND) 
    1. *1: w/ Front LiDAR Sensor
    2. *2: w/o Front LiDAR Sensor
    1. Disconnect the G88*1 or G213*2 meter mirror sub-assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      W/ FRONT LIDAR SENSOR

      Tester Connection Condition Specified Condition
      G88-4 (ES)- Body ground Always Below 1 Ω
      W/O FRONT LIDAR SENSOR

      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 

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