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Home >> Lexus >> 2023 >> LC 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Airbag System - Diagnostic Codes (Coupe) (5 Of 5) & Symptom Tests) >> Airbag System >> DTC B1905: Short in P/T Squib (LH) Circuit; DTC B1906: Open in P/T Squib (LH) Circuit; DTC B1907: Short in P/T Squib (LH) Circuit (to Ground); DTC B1908: Short in P/T Squib (LH) Circuit (to +B) [04/2020 - 05/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2024 Lexus LC 500, 2023 Lexus LC 500, 2022 Lexus LC 500, 2021 Lexus LC 500, and 2020 Lexus LC 500. However, it is still accessible from the selected car via links, so may be relevant.
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 [03/2017 - 05/2023]

  • 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 [04/2020 - 05/2023]

HINT: 

To perform the simulation method, enter check mode (signal check) with the Techstream (Refer to CHECK MODE PROCEDURE [03/2017 - ] ), 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 [04/2020 - 05/2023] ).

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