Group 30: Electrical system Malfunctions, MID 164
MID 164, PPID 394
Power supply, starter switch
MID 164: HCU
Fault code
FMI 3: The voltage exceeds the normal value or is
short circuited to higher voltage.
FMI 4: The voltage is less than the normal value or is
short circuited to battery negative.
FMI Fault code explanation
3, 4 Fault in power supply to starter switch
Fault indication
An orange lamp flashes in the alarm panel.
Symptom
Impossible to start the engine.
No lighting in start/stop panel (if one is installed).
Cable description
POWER SUPPLY (30)
STARTER MO-
TOR
15 +
STOP
Marking sleeve Marking sleeve
(gray) ”START/STOP KEY”
”CONN. X4”
121