LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2015 >> Prius Two >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 138 (Occupant Classification System - (Diagnostic Codes & Symptom Tests) (Plug-In)) >> Occupant Classification System >> DTC B1794: Open in Occupant Classification ECU Battery Positive Line [08/2014 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1794: Open in Occupant Classification ECU Battery Positive Line [08/2014 - ]: Description

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

DTC B1794 is stored when a malfunction is detected in the occupant detection ECU auxiliary battery positive line.

DTC No. DTC Detections Conditions Trouble Areas
B1794
  • The occupant detection ECU receives an open circuit signal in the occupant detection ECU auxiliary battery positive line.
  • Occupant detection ECU malfunction
  • Auxiliary battery
  • Wire harness
  • Occupant detection ECU

HINT: 

When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant detection ECU. When DTC B1794 is output, perform troubleshooting for the DTC.