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TROUBLESHOOTING
Error code [112] (Short circuit in wiper motor drive forward system)
User code
Error code
–
112
Contents of
• When the signal is output to the wiper motor drive forward circuit, an abnormal current flows.
trouble
Action of
• Turns the output to the wiper motor drive forward circuit OFF.
monitor panel
Problem that
appears on
• Windshield wiper stops.
machine
Related
information
Defective wiper motor
1
(Internal short circuit or
grounding fault)
Possible causes
Short circuit with chassis
and standard
ground in wiring harness
value in normal
2
(Contact with ground cir-
state
cuit)
3 Defective monitor panel
20-312
(1)
Short circuit in wiper motor drive forward 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.
Between (3) and chassis ground
aPrepare with starting switch OFF, then carry out troubleshooting with-
out turning starting switch.
Between P01 (female) (9) – W03 (female) (3)
wiring harness and chassis ground
aPrepare with starting switch OFF, then turn starting switch ON and car-
ry out troubleshooting.
Between (9) and
chassis ground
W04 (male)
Between (3) and (1)
P01
Wiper switch
OFF
ON
[112]
Continuity/Resistance
There is continuity
Min. 1 Mz
Resistance
Min. 1 Mz
Resistance
Max. 3 V
Max. 3 V
20 – 30 V
(Constant period)
PC130-7
- Quick Links:
- Hydraulic and Mechanical System Diagram
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