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DTC B1650/32 Occupant Classification System Malfunction: Description

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

The occupant classification system circuit consists of the center airbag sensor assembly and the occupant classification system.

When the center airbag sensor assembly receives signals from the occupant classification ECU, it determines whether or not the front passenger airbag, front seat side airbag assembly RH and seat belt pretensioner RH should be operated.

DTC B1650/32 is set when a malfunction is detected in the occupant classification system circuit.

DIAGNOSTIC TROUBLE CODE CHART

DTC No. DTC Detecting Conditions Trouble Areas
B1650/32
  • Occupant classification system malfunction
  • Center airbag sensor assembly detects line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in occupant classification system circuit for 2 seconds
  • Center airbag sensor assembly malfunction
  • Floor wire
  • Occupant classification system
  • Center airbag sensor assembly