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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Occupant Classification System - Diagnostic Codes & Symptom Tests >> Occupant Classification System >> DTC B1794: Open in Occupant Classification ECU Battery Positive Line [08/2015 - 10/2017] >> 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 [08/2015 - 10/2016] , or refer to PRECAUTION [10/2016 - 10/2017]

  • Inspect the fuses for circuits related to this system before performing the following procedure.

HINT: 

When DTC B1650/32 is stored as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant detection ECU. When DTC B1794 is output, perform troubleshooting for this DTC first.

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