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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Supplemental Restraint System) >> Airbag System >> DTC B1825/56 Short in Front Passenger Side - Side Squib Circuit; DTC B1826/56 Open in Front Passenger Side - Side Squib Circuit; DTC B1827/56 Short to GND in Front Passenger Side - Side Squib Circuit; DTC B1828/56 Short to B+ in Front Passenger Side - Side Squib Circuit >> Description

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

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

The front passenger side - side squib circuit consists of the center airbag sensor assembly and the front seat side airbag assembly RH

This circuit instructs SRS to deploy when deployment conditions are met

These DTCs are recorded when a malfunction is detected in the front passenger side - side squib circuit

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B1825/56
  • The center airbag sensor assembly receives a line short circuit signal 5 times in the front passenger side - side squib circuit during primary check
  • Front passenger side - side squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Front seat side airbag assembly RH (Front passenger side - side squib)
  • Center airbag sensor assembly
B1826/56
  • The center airbag sensor assembly receives an open circuit signal in the front passenger side - side squib circuit for 2 seconds
  • Front passenger side - side squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Front seat side airbag assembly RH (Front passenger side - side squib)
  • Center airbag sensor assembly
B1827/56
  • The center airbag sensor assembly receives a short circuit to ground signal in the front passenger side - side squib circuit for 0 5 seconds
  • Front passenger side - side squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Front seat side airbag assembly RH (Front passenger side - side squib)
  • Center airbag sensor assembly
B1828/56
  • The center airbag sensor assembly receives a short circuit to B+ signal in the front passenger side - side squib circuit for 0 5 seconds
  • Front passenger side - side squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Front seat side airbag assembly RH (Front passenger side - side squib)
  • Center airbag sensor assembly
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