LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2017 >> Mirai >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Occupant Classification System - Diagnostic Codes & Symptom Tests >> Occupant Classification System >> DTC B1796: Sleep Operation Failure of Occupant Classification ECU [06/2015 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1796: Sleep Operation Failure of Occupant Classification ECU [06/2015 - ]: Description

During sleep mode, the occupant detection ECU monitors the condition of each sensor while the power switch is off. In this mode, if the occupant detection ECU detects an internal malfunction, DTC B1796 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1796 Sleep Operation Failure of Occupant Classification ECU Occupant detection ECU malfunction. Occupant detection ECU

HINT: 

Use the Techstream to check for DTCs of the occupant detection ECU, otherwise the DTCs cannot be read.