DTC B1795 Occupant Classification ECU Malfunction: Description

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1795 is recorded when a malfunction is detected in the occupant classification ECU. Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output simultaneously.

DTC DETECTING CONDITION AND TROUBLE AREA REFERENCE

DTC No.	DTC Detecting Condition	Trouble Area
B1795	The occupant classification ECU receives the ignition switch LOCK to ON signal 50 times in a row when a malfunction occurs in the power circuit for the occupant classification ECU (LOCK to ON to LOCK should be counted as 1 time). Occupant classification ECU circuit malfunction The occupant classification ECU receives a short circuit to ground signal in the passenger side buckle switch circuit for 2 seconds. Occupant classification ECU malfunction	Battery ECU-B Fuse Floor wire Front seat wire RH Front seat inner belt assembly RH (Buckle switch RH) Occupant classification ECU

HINT:

When DTC B1150/23 is detected as a result of troubleshooting for "AIRBAG SYSTEM", check the DTCs stored in the occupant classification ECU. When DTC B1795 is output, perform troubleshooting for the DTC.