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Home >> Toyota >> 2016 >> RAV4 Limited, FWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes & Circuit Tests) (Except Hybrid) >> Airbag System >> DTC B1820-55: Short in Side Squib RH Circuit; DTC B1821-55: Open in Side Squib RH Circuit; DTC B1822/55: Short to GND in Side Squib RH Circuit; DTC B1823-55: Short to B+ in Side Squib RH Circuit [10/2015 - ] >> Description

DTC B1820-55: Short in Side Squib RH Circuit; DTC B1821-55: Open in Side Squib RH Circuit; DTC B1822/55: Short to GND in Side Squib RH Circuit; DTC B1823-55: Short to B+ in Side Squib RH Circuit [10/2015 - ]: Description

The front side squib RH circuit consists of the airbag sensor assembly and front seat airbag assembly RH.

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

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B1820/55 Short in Side Squib RH Circuit One of the following conditions is met:
  • The airbag sensor assembly detects a line short circuit signal 5 times in the front side squib RH circuit during the primary check.
  • A front side squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Front seat airbag assembly RH (Front side squib RH)
  • Airbag sensor assembly
B1821/55 Open in Side Squib RH Circuit One of the following conditions is met:
  • The airbag sensor assembly detects an open circuit signal in the front side squib RH circuit for 2 seconds.
  • A front side squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Front seat airbag assembly RH (Front side squib RH)
  • Airbag sensor assembly
B1822/55 Short to GND in Side Squib RH Circuit One of the following conditions is met:
  • The airbag sensor assembly detects a short circuit to ground signal in the front side squib RH circuit for 0.5 seconds.
  • A front side squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Front seat airbag assembly RH (Front side squib RH)
  • Airbag sensor assembly
B1823/55 Short to B+ in Side Squib RH Circuit One of the following conditions is met:
  • The airbag sensor assembly detects a short circuit to B+ signal in the front side squib RH circuit for 0.5 seconds.
  • A front side squib RH malfunction.
  • An airbag sensor assembly malfunction.
  • Floor wire
  • Front seat airbag assembly RH (Front side squib RH)
  • Airbag sensor assembly
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