SEN03841-00
40-310 8 WA250, 250PZ-6
310 Troubleshooting by failure code (Display of code), Part 1
Failure code [AB00L6] Alternator R system: Hot short
Failure code [AB00L6] Alternator R system: Hot short
Action code Failure code
Trouble
Alternator R system: Hot short
(Machine monitor system)
E01 AB00L6
Contents of
trouble
• When engine is stopped, alternator terminal R input voltage is above 12 V.
Action of
machine monitor
• Turns the charge circuit error caution lamp ON.
Problem that
appears on
machine
• After the engine is started, just turning on the starting switch runs the service meter.
Related
information
• The input state (voltage) from the alternator can be checked with the monitoring function (Monitoring
code: HST – 04302 – ALTERNATOR R).
• Method of reproducing failure code: Turn the starting switch ON.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1
Defective alternator
(Internal trouble)
a Prepare with starting switch OFF, then start engine and carry out
troubleshooting.
Alternator Engine Voltage
Wiring harness
between E02
(female) (1) – ground
Running (Throttle:
Above 1/2)
27.5 – 29.5 V
Holds in position Max. 1.5 V
2
Hot short in wiring harness
(Contact with 24V circuit)
a Prepare with starting switch OFF, then turn starting switch ON
and carry out troubleshooting.
Wiring harnesses between E02 (female) (1)
– L25 (female) (18), – circuit branch end and
ground
Voltage Max. 1 V
3 Defective machine monitor
a Prepare with starting switch OFF, then start engine and carry out
troubleshooting.
L25 Engine Voltage
Between (18) and
ground
Running
(Throttle: Above 1/2)
27.5 – 29.5 V
Holds in position Max. 1.5 V
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