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Home >> Lexus >> 2014 >> GS 450h >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes (B1692/81-B1928/78) & Symptom Tests)) >> Airbag System >> DTC B1815/54, B1816/54, B1817/54, B1818/54: Short in Front Passenger Side Squib 2nd Step Circuit; Open in Front Passenger Side Squib 2nd Step Circuit; Short to GND in Front Passenger Side Squib 2nd Step Circuit; Short to B+ in Front Passenger Side Squib 2nd Step Circuit [09/2013 - ] >> Inspection Procedure

Inspection Procedure

NOTE:
  • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work. Refer to PRECAUTION [09/2013 - ] .
  • When disconnecting the cable from the negative (-) auxiliary battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION [09/2013 - ] .

HINT: 

To perform the simulation method, enter check mode (signal check) with the Techstream. Refer to DIAGNOSIS SYSTEM [09/2013 - ] , and then wiggle each connector of the airbag system or drive the vehicle on various types of road. Refer to CHECK MODE PROCEDURE [09/2013 - ] .

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