LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Infiniti
>>
2013
>>
M56 x
>>
Repair and Diagnosis
>>
Steering
>>
Manual Steering
>>
Steering Control System (With 4WAS)
>>
DTC/Circuit Diagnosis
>>
DTC C1930: 4WAS Front Control Unit
>>
DTC Logic
>>
DTC Detection Logic
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC Detection Logic
DTC
Display Item
Malfunction detected condition
Possible cause
C1930
4WAS FRONT ECU
An error is detected on 4WAS front control unit side. (4WAS front control unit fail-safe mode)
4WAS front control unit fail-safe mode