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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 B1835: Short in Curtain Shield Airbag (LH) Squib Circuit; DTC B1836: Open in Curtain Shield Airbag (LH) Squib Circuit; DTC B1837: Short in Curtain Shield Airbag (LH) Squib Circuit (to Ground); DTC B1838: Short in Curtain Shield Airbag (LH) Squib Circuit (to +B) [08/2019 - ] >> Description

DTC B1835: Short in Curtain Shield Airbag (LH) Squib Circuit; DTC B1836: Open in Curtain Shield Airbag (LH) Squib Circuit; DTC B1837: Short in Curtain Shield Airbag (LH) Squib Circuit (to Ground); DTC B1838: Short in Curtain Shield Airbag (LH) Squib Circuit (to +B) [08/2019 - ]: Description

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

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 LH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1835 Short in Curtain Shield Airbag (LH) Squib Circuit One of the following conditions is met:
  • The airbag sensor assembly detects a line short circuit signal 5 times in the curtain shield squib LH circuit during the primary check.
  • A curtain shield airbag assembly LH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly LH
  • Airbag sensor assembly
Comes on Applicable
B1836 Open in Curtain Shield Airbag (LH) Squib Circuit One of the following conditions is met:
  • The airbag sensor assembly detects an open circuit signal in the curtain shield squib LH circuit for 2 seconds.
  • A curtain shield airbag assembly LH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly LH
  • Airbag sensor assembly
Comes on Applicable
B1837 Short in Curtain Shield Airbag (LH) Squib Circuit (to Ground) One of the following conditions is met:
  • The airbag sensor assembly detects a short circuit to ground signal in the curtain shield squib LH circuit for 0.5 seconds.
  • A curtain shield airbag assembly LH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly LH
  • Airbag sensor assembly
Comes on Applicable
B1838 Short in Curtain Shield Airbag (LH) Squib Circuit (to +B) One of the following conditions is met:
  • The airbag sensor assembly detects a short circuit to B+ signal in the curtain shield squib LH circuit for 0.5 seconds.
  • A curtain shield airbag assembly LH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Curtain shield airbag assembly LH
  • Airbag sensor assembly
Comes on Applicable