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Home >> Scion >> 2014 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes & Symptom Tests) >> Airbag System >> DTC B1620: Side Airbag Sensor RH Circuit Malfunction; DTC B16F4: Side Airbag Sensor RH Mismatch >> Description

DTC B1620: Side Airbag Sensor RH Circuit Malfunction; DTC B16F4: Side Airbag Sensor RH Mismatch: Description

The side collision sensor RH circuit (to determine deployment of the front seat airbag assembly RH, curtain shield airbag assembly RH and front seat outer belt assembly RH) is composed of the airbag ECU assembly, side airbag sensor assembly RH, side No. 2 airbag sensor assembly RH, rear airbag sensor RH and No. 2 airbag sensor assembly.

The side No. 2 airbag sensor assembly RH detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbag should be deployed.

These DTCs are stored when a malfunction is detected in the side No. 2 airbag sensor assembly RH.

DTC No. DTC Detection Condition Trouble Area
B1620
  • Side No. 2 airbag sensor assembly RH malfunction
  • Airbag ECU assembly malfunction
  • Side No. 2 airbag sensor assembly RH
  • Airbag ECU assembly
B16F4
  • Improper installation of side No. 2 airbag sensor assembly RH
  • Airbag ECU assembly malfunction