Volvo TAD734GE Repair Manual

Diagnostic Trouble Codes Group 30: Electrical system
66
MID 128: Engine control unit
FMI 0: The sensor value is valid but above
the normal working range.
FMI 4: The voltage is less than the normal
value or is short circuited to lower volt-
age.
FMI 5: The current is less than the normal val-
ue or is open circuited.
FMI Fault code explanation
0 Coolant temperature too high
4, 5 Faulty sensor / Faulty sensor circuit
Fault indication
DCU: Engine warning in DCU display
CIU: Flash code
Flash code
Electrical fault: 3.3
Value fault: 6.1
Symptom
FMI 0: Engine is derated if engine protection
parameter is activated
FMI 4, 5: Engine is difficult to start
MID 128, PID 110
Coolant temperature

Volvo TAD734GE Specifications

General

Engine Model	TAD734GE
Cooling System	Liquid-cooled
Displacement	7.15 liters
Bore x Stroke	108 x 130 mm
Aspiration	Turbocharged
Fuel System	Electronic Unit Injectors (EUI)
Engine Speed	1500 rpm
Emission Level	EU Stage II
Engine Type	4-stroke, 6-cylinder in-line diesel engine