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Home >> Lexus >> 2023 >> ES 350 Base >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System (Except Hybrid) - Diagnostic Codes (2 Of 3) >> AIRBAG SYSTEM (for Gasoline Model) >> DTC B1660: P Seat Airbag Active Mode Indicator [08/2021 - ] >> Description

DTC B1660: P Seat Airbag Active Mode Indicator [08/2021 - ]: Description

The passenger airbag ON/OFF indicator circuit consists of the airbag ECU assembly and passenger airbag ON/OFF indicator (clock assembly).

The passenger airbag ON/OFF indicator indicates the operation condition of the instrument panel passenger airbag assembly and lower No. 2 instrument panel airbag assembly.

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

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1660 P Seat Airbag Active Mode Indicator
  • The airbag ECU assembly detects a line short, short to ground or B+, or an open in the passenger airbag ON/OFF indicator circuit.
  • Passenger airbag ON/OFF indicator malfunction
  • Airbag ECU assembly malfunction
  • Instrument panel wire
  • Passenger airbag ON/OFF indicator (Clock assembly)
  • Airbag ECU assembly
Comes on Does not apply to test/check mode