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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Diagnostic Codes (3 Of 3) & Symptom Tests >> Airbag System >> DTC B181A: Short in Passenger Side Airbag Variable Vent Hole Squib Circuit; DTC B181B: Open in Passenger Side Airbag Variable Vent Hole Squib Circuit; DTC B181C: Short to GND in Passenger Side Airbag Variable Vent Hole Squib Circuit; DTC B181D: Short to B+ in Passenger Side Airbag Variable Vent Hole Squib Circuit [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 [08/2019 - ]

  • 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 [08/2019 - ]

HINT: 

To perform the simulation method, enter check mode (signal check) with the Techstream (Refer to CHECK MODE PROCEDURE [08/2019 - ] ), 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 [08/2019 - ] ).

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