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

DTC B1794 is set when a malfunction is detected in the occupant classification ECU battery positive line.

DTC DETECTING CONDITION CHART

DTC No.	DTC Detecting Conditions	Trouble Areas
B1794	Occupant classification ECU circuit malfunction Occupant classification ECU malfunction Occupant classification ECU detects short circuit to ground signal in passenger side buckle switch circuit for 2 seconds	Wire harness Occupant classification ECU