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DTC B1783: Rear Occupant Classification Sensor RH Circuit Malfunction (FROM 12/2010): Description

The rear occupant classification sensor RH circuit consists of the occupant classification ECU and the rear occupant classification sensor RH.

DTC B1783 is recorded when a malfunction is detected in the rear occupant classification sensor RH circuit.

DTC No. DTC Detecting Condition Trouble Area
B1783
  • 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 rear occupant classification sensor RH circuit for 2 seconds.
  • Rear occupant classification sensor RH malfunction.
  • Occupant classification ECU malfunction.
  • Front seat assembly RH (Rear occupant classification sensor RH)
  • Front seat wire RH
  • Occupant classification ECU