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Home >> Lexus >> 2020 >> ES 300h Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (5 Of 5) & Symptom Tests >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C147D: Air Bag Circuit [06/2018 - ] >> Procedure

DTC C147D: Air Bag Circuit [06/2018 - ]: Procedure

  1. CHECK DTC (AIRBAG SYSTEM) 
    1. Check if airbag system DTCs are output.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

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

    Result: 

    A 

    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    B 

    INSPECT AIRBAG SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]