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DTC B1790: Center Airbag Sensor Assembly Communication Circuit Malfunction: Description

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

DTC B1790 is recorded when a malfunction is detected in the center airbag sensor assembly communication circuit.

DTC No. DTC Detecting Condition Trouble Area
B1790
  • The occupant classification ECU receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the center airbag sensor assembly communication circuit for 2 seconds.
  • Center airbag sensor assembly malfunction
  • Occupant classification ECU malfunction
  • Occupant classification ECU
  • Center airbag sensor assembly
  • Floor wire No. 2
  • Front seat wire RH