SEN00460-01 40 Troubleshooting
46 114E-3 Series
E-52 Code [2265/CA2265] Abnormally high level in electric lift pump 1
Error code Failure code
Trouble Abnormally high level in electric lift pump
2265 CA2265
Contents of
trouble
• There is disconnection in electric lift pump actuator drive circuit.
Action of con-
troller
• None in particular.
Problem that
appears on
machine
• Starting performance is poor
Related infor-
mation
• Method of reproducing failure code: Starting switch ON.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1
Defective electric lift pump
(Internal short circuit, discon-
nection)
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
LIFT PUMP (female) Resistance
Between (1) – (2) Max. 20 z
2
Disconnection in wiring har-
ness (Disconnection in wiring
or defective contact in con-
nector)
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
Wiring harness between J1 (female) (1) –
LIFT PUMP (female) (1)
Resis-
tance
Max. 10 z
Wiring harness between J1 (female) (11) –
LIFT PUMP (female) (2)
Resis-
tance
Max. 10 z
3
Hot short (Short circuit with
12 V circuit) in wiring har-
ness
a Prepare with starting switch OFF, then turn starting switch ON
and carry out troubleshooting.
Wiring harness between J1 (female) (1) –
LIFT PUMP (female) (1)
Voltage Max. 6 V
4
Short circuit in wiring har-
ness (With another wiring
harness)
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
Wiring harness among all pins between J1
(female) (1) – J1 (female) (With all connec-
tors of wiring harness disconnected)
Resis-
tance
Min.
100 kz
5
Defective wiring harness
connector
Connecting parts among electric lift pump, engine wiring harness,
and engine controller are suspected. Inspect them directly.
• Loose connector, broken lock, broken seal
• Corrosive, bent, broken, forced-in, or extended pin
• Humidity in connector, entry of dirt or dust, poor insulation
6 Defective engine controller
a Prepare with starting switch OFF, then carry out troubleshooting
without turning starting switch ON.
J1 (female) Resistance
Between (1) – (11) Max. 20 z
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