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Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (9 Of 9) & Symptom Tests >> Airbag System >> DTC B1900: Short In Front P/T Squib RH Circuit; DTC B1901: Open In Front P/T Squib RH Circuit; DTC B1902: Short In Front P/T Squib RH Circuit (To Ground); DTC B1903: Short In Front P/T Squib RH Circuit (To B+) [12/2017 - 10/2020] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • After Turning The Engine Switch Off, Waiting Time May Be Required Before Disconnecting The Cable From The Negative (-) Battery Terminal. Therefore, Make Sure To Read The Disconnecting The Cable From The Negative (-) Battery Terminal Notices Before Proceeding With Work.

    Refer To Precaution [12/2017 - 10/2020]

  • When Disconnecting The Cable From The Negative (-) Battery Terminal While Performing Repairs, Some Systems Need To Be Initialized After The Cable Is Reconnected.

    Refer To Initialization [12/2017 - 09/2018] , Or Refer To Initialization [09/2018 - 10/2020]

Hint: 

To Perform The Simulation Method, Enter Check Mode (Signal Check) With The Techstream (Refer To Check Mode Procedure [12/2017 - 10/2023] ), And Then Wiggle Each Connector Of The Airbag System Or Drive The Vehicle On Various Types Of Road (Refer To How To Proceed With Troubleshooting [12/2017 - 09/2018] , Or Refer To How To Proceed With Troubleshooting [09/2018 - 10/2020] ).

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