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Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Diagnostic Codes & Symptom Tests) >> Meter / Gauge System >> DTC B150B: Lost Communication with Gigabit Video Interface [07/2015 - ] >> Procedure

DTC B150B: Lost Communication with Gigabit Video Interface [07/2015 - ]: Procedure

  1. CHECK FOR DTC 
    1. Check if navigation system DTCs are output (Refer to DTC CHECK / CLEAR [07/2015 - 08/2016] Refer to DTC CHECK / CLEAR [08/2016 - ] ).

      Result

      Result Proceed to
      Navigation system DTCs are not output. A
      Navigation system DTCs are output. B

    Result:  B

    B 

    GO TO NAVIGATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - 08/2016] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] )

    Result:  A

    A 

    See step  2

  2. REPLACE COMBINATION METER ASSEMBLY 
    1. Replace the combination meter assembly with a new one (Refer to REMOVAL [07/2015 - ] ).
    2. Turn the engine switch on (IG) and wait 30 seconds.
      NOTE:

      A maximum of 30 seconds is required to send/receive the registration information between the combination meter assembly and radio receiver assembly.

    3. Operate the steering pad switch assembly and check that the audio tab illuminates.
    4. Check for DTCs and check the display status of the multi-information display (Refer to DTC CHECK / CLEAR [07/2015 - ] ).

      Result

      Result Proceed to
      The multi-information display screen is blank when selecting the audio tab while operating the steering pad switch assembly. A
      DTC B150B is output.
      The audio tab does not illuminate. B
      • The audio tab illuminates.
      • The audio display is shown on the multi-information display screen when selecting the audio tab while operating the steering pad switch assembly.
      • DTC B150B is not output.
      C

    Result:  B

    B 

    GO TO B150A 

    (Refer to DTC B150A: Lost Communication with HMI-LAN [07/2015 - ] )

    Result:  C

    C 

    END 

    Result:  A

    A 

    See step  3

  3. REPLACE RADIO RECEIVER ASSEMBLY 
    1. Replace the radio receiver assembly with a new or known good one (Refer to REMOVAL [07/2015 - ] ).
    2. Turn the engine switch on (IG) and wait 30 seconds.
      NOTE:

      A maximum of 30 seconds is required to send/receive the registration information between the combination meter assembly and radio receiver assembly.

    3. Operate the steering pad switch assembly and check that the audio tab illuminates.
    4. Check for DTCs and check the display status of the multi-information display (Refer to DTC CHECK / CLEAR [07/2015 - ] ).

      Result

      Result Proceed to
      • The audio tab illuminates.
      • The audio display is shown on the multi-information display screen when selecting the audio tab while operating the steering pad switch assembly.
      • DTC B150B is not output.
      A
      The audio tab does not illuminate. B
      The multi-information display screen is blank when selecting the audio tab while operating the steering pad switch assembly. C
      DTC B150B is output.

    Result:  A

    A 

    END 

    Result:  B

    B 

    GO TO B150A 

    (Refer to DTC B150A: Lost Communication with HMI-LAN [07/2015 - ] )

    Result:  C

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR