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Home >> Toyota >> 2016 >> Mirai >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (3 Of 3) & Symptom Tests >> Airbag System >> DTC B1831-57: Open in Curtain Shield Squib RH Circuit [06/2015 - ] >> Description

DTC B1831-57: Open in Curtain Shield Squib RH Circuit [06/2015 - ]: Description

The curtain shield squib RH circuit consists of the airbag sensor assembly and curtain shield airbag assembly RH.

The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met.

DTC B1831/57 is stored when an open is detected in the curtain shield squib RH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Test Mode / Check Mode
B1831/57 Open in Curtain Shield Squib RH Circuit
  • The airbag sensor assembly detects an open in the curtain shield squib RH circuit.
  • Curtain shield squib RH malfunction
  • Airbag sensor assembly malfunction
  • No. 2 floor wire
  • Curtain shield squib RH (Curtain shield airbag assembly RH)
  • Airbag sensor assembly
Applies to check mode