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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 B1660/43 Passenger Airbag ON/OFF Indicator Circuit Malfunction >> Description

DTC B1660/43 Passenger Airbag ON/OFF Indicator Circuit Malfunction: 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 passenger airbag ON/OFF indicator circuit consists of the center airbag sensor assembly and the clock assembly*1 or integration control and panel assembly*2

The passenger airbag ON/OFF indicator indicates the operation condition of the front passenger airbag, front passenger side knee airbag, front seat side airbag RH and front seat belt pretensioner RH

DTC B1660/43 is recorded when a malfunction is detected in the passenger airbag ON/OFF indicator circuit

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B1660/43
  • The center airbag sensor assembly receives an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the passenger airbag ON/OFF indicator circuit for 2 seconds
  • Passenger airbag ON/OFF indicator malfunction
  • Center airbag sensor assembly malfunction
  • Instrument panel wire
  • Clock assembly (Passenger airbag ON/OFF indicator)*1
  • Integration control and panel assembly (Passenger airbag ON/OFF indicator)*2
  • Center airbag sensor assembly
HINT
  • *1. w/ Navigation system
  • *2. w/o Navigation system