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Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests >> Meter / Gauge System >> DTC B1511-87: Lost Communication with Meter Gigabit Video Interface Missing Message [11/2021 - ] >> Procedure

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

  1. CHECK HARNESS AND CONNECTOR (METER MIRROR SUB-ASSEMBLY - COMBINATION METER ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the D138 meter mirror sub-assembly connector.
    2. Disconnect the D137 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
      D138-1 (MGV+) - D137-2 (HGV+) Always Below 1 Ω
      D138-2 (MGV-) - D137-1 (HGV-) Always Below 1 Ω
      D138-3 (MGVG) - D137-3 (HGVG) Always Below 1 Ω
      D138-1 (MGV+) or D137-2 (HGV+) - Body ground Always 10 kΩ or higher
      D138-2 (MGV-) or D137-1 (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  2

  2. REPLACE METER MIRROR SUB-ASSEMBLY 
    1. Replace the meter mirror sub-assembly with a new or known good one.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Combination Meter > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Combination Meter > Trouble Codes 

      Result

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

    Result: 

    A 

    END (METER MIRROR SUB-ASSEMBLY IS DEFECTIVE) 

    Result: 

    B 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ]