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Home >> Lexus >> 2017 >> RC 350 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Symptom Tests (2 Of 2) & Circuit Tests >> Meter / Gauge System >> Meter Illumination is Always Dark [10/2018 - ] >> Procedure

Meter Illumination is Always Dark [10/2018 - ]: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [10/2018 - 11/2019] , or refer to DIAGNOSIS SYSTEM [11/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - ]

      Result

      Result Proceed to
      CAN communication DTCs are not output. A
      CAN communication DTCs are output. B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ] 

    Result: 

    See step  2

  2. CHECK FOR DTC 
    1. Check if lighting system DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2018 - ]

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      DTC B1244 is not output. A
      DTC B1244 is output. B

    Result: 

    GO TO DTC B1244. Refer to  DTC B1244: Light Sensor Circuit [10/2018 - ] 

    Result: 

    See step  3

  3. REPLACE COMBINATION METER ASSEMBLY 
    1. Replace the combination meter assembly with a new one.

      Refer to REMOVAL [09/2014 - ]

      OK

      The operation of the combination meter assembly returns to normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [09/2014 - ]