LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Infiniti
>>
2017
>>
QX80 Base, RWD
>>
Repair and Diagnosis (Single Page)
>>
Restraints
>>
Restraints Control Systems
>>
Seat Belt Control System (DTC/Circuit Diagnosis)
>>
DTC/Circuit Diagnosis
>>
DTC B2457: Control Unit As
>>
DTC Logic
>>
DTC Detection Logic
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC Detection Logic
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2457
CONTROL UNIT AS
Pre-crash seat belt control unit (passenger side) internal circuit malfunction
Pre-crash seat belt control unit (passenger side)