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Home >> Toyota >> 2014 >> Avalon XLE >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes & Symptom Tests) (Except Hybrid) >> Airbag System >> DTC B1850/62: Short in Rear Side Squib RH Circuit; DTC B1851/62: Open in Rear Side Squib RH Circuit; DTC B1852/62: Short to GND in Rear Side Squib RH Circuit; DTC B1853/62: Short to B+ in Rear Side Squib RH Circuit [10/2013 - ] >> Description

DTC B1850/62: Short in Rear Side Squib RH Circuit; DTC B1851/62: Open in Rear Side Squib RH Circuit; DTC B1852/62: Short to GND in Rear Side Squib RH Circuit; DTC B1853/62: Short to B+ in Rear Side Squib RH Circuit [10/2013 - ]: Description

The rear side squib RH circuit consists of the airbag ECU assembly and rear seat airbag assembly RH.

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

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

DTC No. DTC Detection Condition Trouble Area
B1850/62
  • The airbag ECU assembly detects a line short in the rear side squib RH circuit during primary check.
  • Rear side squib RH malfunction
  • Airbag ECU assembly malfunction
  • No. 2 floor wire
  • Rear seat airbag assembly RH (Rear side squib RH)
  • Airbag ECU assembly
B1851/62
  • The airbag ECU assembly detects an open in the rear side squib RH circuit.
  • Rear side squib RH malfunction
  • Airbag ECU assembly malfunction
B1852/62
  • The airbag ECU assembly detects a short to ground in the rear side squib RH circuit.
  • Rear side squib RH malfunction
  • Airbag ECU assembly malfunction
B1853/62
  • The airbag ECU assembly detects a short to B+ in the rear side squib RH circuit.
  • Rear side squib RH malfunction
  • Airbag ECU assembly malfunction
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