DTC B1794: Open in Occupant Classification ECU Battery Positive Line: Description

WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1794 is stored when a malfunction is detected in the occupant classification ECU.

DTC Code	DTC Detection Condition	Trouble Area
B1794	One of the following conditions is met: Occupant classification ECU circuit malfunction. Occupant classification ECU malfunction. Occupant classification ECU detects a short circuit to ground signal in the passenger side buckle switch circuit for 2 seconds.	Harness or connector Occupant classification ECU

HINT:

When DTC B1650/32 is stored as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1794 of the occupant classification system.
Use the Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.