Fiat Kobelco EX355 Tier2, Technical Manual

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T5-4-18 EX355
TROUBLESHOOTING B
•
Voltage:
24 volts or more
•
Density:
1.26 or more
NO
NO
YES
YES
ENGINE TROUBLESHOOTING
E-1 Starter Does Not Rotate.
Related Fault Code: None
Checking Instructions
•
Measure each voltage by referring to the tables
below.
•
Electronic system such as MC has nothing to do
with the trouble obstructing the rotation of starter.
•
Key switch: ON
↔
START
(When key switch is turned to START, in
case voltage at terminal B is 18 V or lower,
battery is faulty.)
Check if battery
voltage and
electrolyte density
are normal.
•
Starter Terminal Voltage Check.
SM6116
•
Starter Relay Voltage Check.
SM6117
(Seen from the back of the connector.)
Unit: V
Terminal ON START RUNNING
C 0 24 0
B 24 24 24
Starter Terminal Voltage
Check if each terminal
voltage on starter is normal
with key switch turned to
the positions in the following
table.
Faulty Battery
Faulty starter or
disconnected starter ground
line.
Regardless of key switch
position ON or START,
voltage at terminal B is 0
(zero).
With key switch
positioned at
START, voltage at
terminal C does
not increase to 24
volts. With key switch
positioned as shown
in the following table,
check if each
terminal voltage is
normal.
Unit: V
Terminal ON START RUNNING
B 24 24 24
C 0 24 0
E 0 0 0
R 0 0 12
S 0 24 0
Starter Relay Terminal Voltage
With key switch
positioned at
START, voltage at
terminal S does
not increase to 24
volts.
Faulty starter or
disconnected
starter ground line.