DTC B1794: Open in Occupant Classification ECU Battery Positive Line (2006/10-): Description

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

This circuit consists of the occupant classification ECU and the power source circuit (battery, fuse, and wire harness).

DTC B1794 is recorded when a malfunction is detected in the occupant classification ECU or the power source circuit.

HINT:

If DTC B1794 is output after switching the power switch off-on (IG)-off 50 times in a row when a malfunction occurs in the power circuit for the occupant classification system, the DTC is output again. This DTC is output when a malfunction is detected even after being cleared unless the normal system code is input.

DTC DETECTION CONDITION TABLE

DTC No.	DTC Detecting Condition	Trouble Area
B1794	The power switch is turned from off to on (IG), hold if for 10 seconds or more, and back to off again 50 times in a row when a malfunction occurs in the circuit for the occupant classification system. Occupant classification ECU malfunction	Battery ECU-B Fuse Floor wire No. 2 Front seat wire RH (for Power seat) Occupant classification ECU