Diagnostic Trouble Codes Group 30: Electrical system
100
MID 128, SID 1-6
Injector common rail # 1-6
MID 128: Engine control unit.
FMI 3: Short to battery voltage, injector low voltage
side.
FMI 4: Short to battery negative, injector high volt-
age side.
FMI 5: Break in injector circuit.
FMI 7: Mechanical fault. The system responds in-
correctly.
FMI 12: Low injector hold current.
FMI 14: Special instructions.
FMI Fault code explanation
3, 4, 5, 7, 12 Fault in the injection system
Fault indication
DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 7.1– 7.6
Value fault: None
Symptom
FMI 3, 4, 5 : Faulty injector is shut off. Limp home
on rest of injectors.