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Home >> Toyota >> 2021 >> Avalon TRD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 158 (Supplemental Restraint System - Diagnostic Codes (B1656-U0154) & Symptom Tests (Hybrid)) >> AIRBAG SYSTEM (for HV Model) >> DTC B1660: P Seat Airbag Active Mode Indicator [04/2018 -] >> Description

DTC B1660: P Seat Airbag Active Mode Indicator [04/2018 -]: Description

WARNING: This page is about a different variant/trim than selected.

The passenger airbag ON/OFF indicator circuit consists of the airbag ECU assembly and passenger airbag ON/OFF indicator (radio and display receiver 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
  • Instrument panel junction block assembly
  • Passenger airbag ON/OFF indicator (Radio and display receiver assembly)
  • Airbag ECU assembly
Comes on Does not apply to test/check mode