Fiat Kobelco EX355 Tier2, Technical Manual

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T5-5-26 EX355
TROUBLESHOOTING C
Connector (harness end connector terminals seen
from the open end side)
Monitor (20P)
29 30 31 32 33 34 35 36 37 38
39 40 41 42 43 44 45 46 47 48
MALFUNCTION OF HOUR METER
Providing that:
•
Be sure to inspect wiring connections prior to
troubleshooting.
Hour meter
does not count
operating hours
when engine
is running.
13 V or more
Less than 13 V
•
Engine : Running
Check if
alternator
indicator is ON.
Check voltage at
monitor 20P
connector terminal
No.29.
•
Engine speed:
1 000 min -1 (rpm) or
faster
Broken harness
between monitor
terminal No.29
and No.6 fuse.
0 V
24 V
Check voltage at
alternator terminal L
(*).
YES
NO
Check voltage at
monitor 20P
connector
terminal No.42.
Failure in
monitor.
Broken harness
between alternator
terminal L and
monitor terminal
No.42.
Faulty regulator
or alternator.
13 to 14.5 V
or more
Less than
13 V
Starter Relay
E
S R
NOTE - (*) Regulator terminals L is water-resistance
type connectors so that it is not practical to measure
voltage at these terminals. Measure voltage at starter
relay terminal R.
Before measuring voltage, check continuity between
the starter relay terminal R and regulator terminal L.
Failure in
monitor.