Error Code [114] (Short Circuit In Windshield Washer Drive System) - Komatsu PC130-7 Shop Manual

TROUBLESHOOTING

Error code [114] (Short circuit in windshield washer drive system)

User code Error code
– 114
Contents of • When the windshield washer drive circuit is connected to the ground circuit (the output is turned ON),
trouble an abnormal current flows.
Action of
• Turns the ground output of the windshield washer motor circuit OFF.
monitor panel
Problem that
appears on • The windshield washer stops.
machine
Related
information
Defective washer motor
1
(Internal short circuit)
Possible causes
Short circuit with power
and standard
2 source in wiring harness
value in normal
(Contact with 24-V circuit)
state
3 Defective monitor panel
20-316
(1)
Short circuit in windshield washer drive system
Trouble
(Monitor panel system)
Cause Standard value in normal state/Remarks on troubleshooting
aPrepare with starting switch OFF, then carry out troubleshooting with-
out turning starting switch.
aPrepare with starting switch OFF, then turn starting switch ON and car-
ry out troubleshooting.
Between P01 (female) (3) – A50 (female) (2) or
D02 (female) (8) wiring harness and chassis
ground
aPrepare with starting switch OFF, then turn starting switch ON and car-
ry out troubleshooting.
Between (3) and
chassis ground
A50 (male)
Between (1) and (2)
Windshield washer
P01
switch
OFF
ON
[114]
Resistance
5 – 20 z
Voltage Max. 1 V
Voltage
20 – 30 V
Max. 1 V
PC130-7