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Home >> Lexus >> 2021 >> GX 460 Luxury >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes) (3 Of 3) & Symptom Tests >> Airbag System >> DTC B1815-54: Short in Front Passenger Side Squib 2nd Step Circuit; DTC B1816-54: Open in Front Passenger Side Squib 2nd Step Circuit; DTC B1817-54: Short to GND in Front Passenger Side Squib 2nd Step Circuit; DTC B1818-54: Short to B+ in Front Passenger Side Squib 2nd Step Circuit [08/2015 - 08/2019] >> Caution / Notice / Hint

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 [08/2015 - ] ).
  • 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 [08/2015 - 08/2019] ).

HINT: 

To perform the simulation method, enter check mode (signal check) with the Techstream (Refer to CHECK MODE PROCEDURE [08/2015 - ] ), and then wiggle each connector of the airbag system or drive the vehicle on various types of road (Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] ).

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