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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 B1835/58 Short in Front Passenger Side Curtain Shield Squib Circuit; DTC B1836/58 Open in Front Passenger Side Curtain Shield Squib Circuit; DTC B1837/58 Short to GND in Front Passenger Side Curtain Shield Squib Circuit; DTC B1838/58 Short to B+ in Front Passenger Side Curtain Shield Squib Circuit >> Description

DTC B1835/58 Short in Front Passenger Side Curtain Shield Squib Circuit; DTC B1836/58 Open in Front Passenger Side Curtain Shield Squib Circuit; DTC B1837/58 Short to GND in Front Passenger Side Curtain Shield Squib Circuit; DTC B1838/58 Short to B+ in Front Passenger Side Curtain Shield 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 curtain shield squib circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH

The circuit instructs SRS to deploy when deployment conditions are met

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

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B1835/58
  • The center airbag sensor assembly receives a line short circuit signal 5 times in the front passenger side curtain shield squib circuit during primary check
  • Front passenger side curtain shield squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield airbag assembly RH (Front passenger side curtain shield squib)
  • Center airbag sensor assembly
B1836/58
  • The center airbag sensor assembly receives an open circuit signal in the front passenger side curtain shield squib circuit for 2 seconds
  • Front passenger side curtain shield squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield airbag assembly RH (Front passenger side curtain shield squib)
  • Center airbag sensor assembly
B1837/58
  • The center airbag sensor assembly receives a short circuit to ground signal in the front passenger side curtain shield squib circuit for 0 5 seconds
  • Front passenger side curtain shield squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield airbag assembly RH (Front passenger side curtain shield squib)
  • Center airbag sensor assembly
B1838/58
  • The center airbag sensor assembly receives a short circuit to B+ signal in the front passenger side curtain shield squib circuit for 0 5 seconds
  • Front passenger side curtain shield squib malfunction
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield airbag assembly RH (Front passenger side curtain shield squib)
  • Center airbag sensor assembly
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