SEN04122-01 40 Troubleshooting
20 PC130-8
Failure code [DY2EKB] Wiper drive (rev) short 1
User code Failure code
Trouble
Wiper motor drive reverse system short
(Pump controller system)
— DY2EKB
Contents of
trouble
• When output to wiper motor drive reverse side was turned ON, short circuit was detected in circuit.
Action of
controller
• Turns output to wiper motor drive reverse side OFF.
• Even if cause of failure disappears, system does not reset itself until starting switch is turned OFF.
Problem that
appears on
machine
• Windshield wiper does not operate.
Related
information
• Method of reproducing failure code: Turn starting switch ON + Set wiper switch to INT or ON.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Defective wiper motor (Inter-
nal short circuit or ground
fault)
a Prepare with starting switch OFF, then carry out troubleshoot-
ing without turning starting switch ON.
M05 (female) Continuity/Resistance
Between (1) – (3) There is continuity
Between (1) – chassis ground Min. 1 Mz
2
Ground fault in wiring har-
ness (Short circuit with GND
circuit)
a Prepare with starting switch OFF, then carry out troubleshoot-
ing without turning starting switch ON.
Wiring harness between CP02 (female)
(114) – M05 (male) (1) and chassis ground
Resis-
tance
Min. 1 Mz
3 Defective pump controller
If causes 1 and 2 are not detected, pump controller may be defec-
tive. (Since trouble is in system, troubleshooting cannot be carried
out.)
To Next Page
Loading...
Need help?
General
