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Home >> Toyota >> 2021 >> 4Runner Venture >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (B1690-B1905) & Symptom Tests >> Airbag System >> DTC B1830: Short in Curtain Shield Airbag (RH) Squib Circuit; DTC B1831: Open in Curtain Shield Airbag (RH) Squib Circuit; DTC B1832: Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground); DTC B1833: Short in Curtain Shield Airbag (RH) Squib Circuit (to +B) [08/2019 - ] >> Description

DTC B1830: Short in Curtain Shield Airbag (RH) Squib Circuit; DTC B1831: Open in Curtain Shield Airbag (RH) Squib Circuit; DTC B1832: Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground); DTC B1833: Short in Curtain Shield Airbag (RH) Squib Circuit (to +B) [08/2019 - ]: Description

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

The circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the curtain shield squib RH circuit.

DTC Code DTC Detection Condition Trouble Area
B1830 One of the following conditions is met:
  • The airbag sensor assembly detects a line short circuit signal 5 times in the curtain shield squib RH circuit during the primary check.
  • A curtain shield squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly RH (Curtain shield squib RH)
  • Airbag sensor assembly
B1831 One of the following conditions is met:
  • The airbag sensor assembly detects an open circuit signal in the curtain shield squib RH circuit for 2 seconds.
  • A curtain shield squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly RH (Curtain shield squib RH)
  • Airbag sensor assembly
B1832 One of the following conditions is met:
  • The airbag sensor assembly detects a short circuit to ground signal in the curtain shield squib RH circuit for 0.5 seconds.
  • A curtain shield squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly RH (Curtain shield squib RH)
  • Airbag sensor assembly
B1833 One of the following conditions is met:
  • The airbag sensor assembly detects a short circuit to B+ signal in the curtain shield squib RH circuit for 0.5 seconds.
  • A curtain shield squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly RH (Curtain shield squib RH)
  • Airbag sensor assembly