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Home >> Toyota >> 2021 >> 4Runner Limited, RWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (B100-B1690) >> Airbag System >> DTC B1690: Side Airbag Sensor RH; DTC B1695: Side Airbag Sensor LH [08/2019 - ] >> Description

DTC B1690: Side Airbag Sensor RH; DTC B1695: Side Airbag Sensor LH [08/2019 - ]: Description

The side airbag sensor LH or RH consists of the safing sensor, diagnostic circuit, lateral deceleration sensor, etc.

If the airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether the SRS should be activated.

DTC B1690 or B1695 is stored when a malfunction is detected in the side airbag sensor LH or RH circuit.

DTC Code DTC Detection Condition Trouble Area
B1690 Either condition is met:
  • A side airbag sensor RH malfunction.
  • An airbag sensor assembly malfunction.
  • Side airbag sensor assembly RH
  • Airbag sensor assembly
B1695 Either condition is met:
  • A side airbag sensor LH malfunction.
  • An airbag sensor assembly malfunction.
  • Side airbag sensor assembly LH
  • Airbag sensor assembly