TROUBLESHOOTING
C-l
C-l Abnormality in pump controller power source system (swing
brake is not canceled, etc.)
* This troubleshooting is carried out when there is still an abnormality, so when disconnecting the
connector and inserting the T-adapter, or when removing the T-adapter and returning the connector
to its original position, if the service code is not displayed, the problem has been removed.
j, Check that fuses 1 and 14 are not blown.
* Before carrying out troubleshooting, check that all the related connectors are properly inserted.
j, Always connect any disconnected connectors before going on to the next step.
j, When the starting motor rotates correctly. (If the starting motor also does not rotate, go to E-l 1.)
YES
1
Defective pump controller
Replace
Is voltage between
CO1 (10) (11) and -
(1) (2) normal?
2yEs
-
.20-30V
Is voltage between
- Turn starting
- fuse 1 and GND
-
switch ON.
NO normal?
Defective contact: or dis-
connection in wmng harness
between fuse 1 and CO1
(female) (lO)(ll)
Defective contact, or dis-
connection in wtnng harness
Repair or
replace
.20-30V
NO
between fuse 1 - HO6 (2) -
- 2i.n starting switch
Ml4 (2)(l) - battery relay
terminal M
Repair or
replace
C-l Related electric circuit diagram
Pump controller
CO 1 (MlC21)
I
\ I
Ml4 (L2)
XOY’(MIC17)
Starting
switch
20-171
0
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