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Home >> Scion >> 2012 >> tC Automatic Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes & Symptom Tests) >> Airbag System >> DTC B1825/56: Short in Side Squib LH Circuit; DTC B1826/56: Open in Side Squib LH Circuit; DTC B1827/56: Short to GND in Side Squib LH Circuit; DTC B1828/56: Short to B+ in Side Squib LH Circuit >> Description

DTC B1825/56: Short in Side Squib LH Circuit; DTC B1826/56: Open in Side Squib LH Circuit; DTC B1827/56: Short to GND in Side Squib LH Circuit; DTC B1828/56: Short to B+ in Side Squib LH Circuit: Description

The side squib LH circuit consists of the center airbag sensor and front seat airbag LH.

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

These DTCs are stored when a malfunction is detected in the side squib LH circuit.

DTC Code DTC Detection Condition Trouble Area
B1825/56 One of the following conditions is met:
  • The center airbag sensor detects a line short circuit signal 5 times in the side squib LH circuit during the primary check.
  • A side squib LH malfunction.
  • A center airbag sensor malfunction.
  • Floor wire
  • Front seat airbag assembly LH (Side squib LH)
  • Center airbag sensor assembly
B1826/56 One of the following conditions is met:
  • The center airbag sensor detects an open circuit signal in the side squib LH circuit for 2 seconds.
  • A side squib LH malfunction.
  • A center airbag sensor malfunction.
  • Floor wire
  • Front seat airbag assembly LH (Side squib LH)
  • Center airbag sensor assembly
B1827/56 One of the following conditions is met:
  • The center airbag sensor detects a short circuit to ground signal in the side squib LH circuit for 0.5 seconds.
  • A side squib LH malfunction.
  • A center airbag sensor malfunction.
  • Floor wire
  • Front seat airbag assembly LH (Side squib LH)
  • Center airbag sensor assembly
B1828/56 One of the following conditions is met:
  • The center airbag sensor detects a short circuit to B+ signal in the side squib LH circuit for 0.5 seconds.
  • A side squib LH malfunction.
  • A center airbag sensor malfunction.
  • Floor wire
  • Front seat airbag assembly LH (Side squib LH)
  • Center airbag sensor assembly