Nissan Qashqai J11. Manual — part 413
ECK-212
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0200 FUEL INJECTOR
NO
>> Repair or replace error-detected parts.
3.
CHECK FUEL INJECTOR HARNESS CONNECTOR STATE
Check fuel injector harness connector state.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK FUEL INJECTOR
ECK-212, "Component Inspection (Fuel Injector)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
Component Inspection (Fuel Injector)
INFOID:0000000010289797
1.
CHECK FUEL INJECTOR
1.
Turn ignition switch OFF.
2.
Disconnect fuel injector harness connector.
3.
Check the resistance between fuel injector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace fuel injector. Refer to
EM-293, "Removal and Installation"
.
Fuel injector
Condition
Resistance
+
−
Terminal
1
2
Temperature: 20
°
C (68
°
F)
150 – 250k
Ω
P0201, P0202, P0203, P0204 FUEL INJECTOR
ECK-213
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
P0201, P0202, P0203, P0204 FUEL INJECTOR
DTC Logic
INFOID:0000000010434251
DTC DETECTION LOGIC
NOTE:
• If DTC P0201, P0202, P0203, or P0204 is displayed with DTC P0263, P0266, P0269, or P0272, perform
the trouble diagnosis for DTC P0263, P0266, P0269, or P0272. Refer to
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>>
ECK-214, "Diagnosis Procedure"
.
NO
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0201
CYLINDER 1 INJECTOR CIRC
(Injector circuit/open - cylinder 1)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMITY IN-
FORMATION (CHECKSUM)
• 4.DEF: IMPROPER SIGNAL SHAPE
• CO: OPEN CIRCUIT
• ECM detects fuel injectors circuit
are open.
• ECM error
• Injector code is not stored into
ECM.
• An improper voltage signal from
fuel injector is sent to ECM.
• ECM detects an improper fuel in-
jection time.
• ECM detects an improper fuel in-
jection mass.
• Harness or connectors
(The fuel injector circuit is
open.)
• Fuel injector
• Injector code error
• ECM
P0202
CYLINDER 1 INJECTOR CIRC
(Injector circuit/open - cylinder 2)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMITY IN-
FORMATION (CHECKSUM)
• 4.DEF: IMPROPER SIGNAL SHAPE
• CO: OPEN CIRCUIT
P0203
CYLINDER 1 INJECTOR CIRC
(Injector circuit/open - cylinder 3)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMITY IN-
FORMATION (CHECKSUM)
• 4.DEF: IMPROPER SIGNAL SHAPE
• CO: OPEN CIRCUIT
P0204
CYLINDER 1 INJECTOR CIRC
(Injector circuit/open - cylinder 4)
NO. 4 cylinder fuel injector circuit
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMITY IN-
FORMATION (CHECKSUM)
• 4.DEF: IMPROPER SIGNAL SHAPE
• CO: OPEN CIRCUIT
ECK-214
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0201, P0202, P0203, P0204 FUEL INJECTOR
Diagnosis Procedure
INFOID:0000000010434252
1.
CHECK FUEL RETURN HOSE
Check Fuel return hose.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK FUEL INJECTOR CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check fuel injector circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK FUEL INJECTOR HARNESS CONNECTOR STATE
Check fuel injector harness connector state.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK FUEL INJECTOR
ECK-214, "Component Inspection (Fuel Injector)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
Component Inspection (Fuel Injector)
INFOID:0000000010434253
1.
CHECK FUEL INJECTOR
1.
Turn ignition switch OFF.
2.
Disconnect fuel injector harness connector.
3.
Check the resistance between fuel injector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
Cylinder
+
-
Continuity
ECM
Fuel injector
Connector
Terminal
Connector
Terminal
No.1
F81
156
F155
1
Existed
160
2
No.2
153
F156
1
157
2
No.3
155
F157
1
159
2
No.4
154
F158
1
158
2
Fuel injector
Condition
Resistance
+
−
Terminal
1
2
Temperature: 20
°
C (68
°
F)
150 – 250k
Ω
P0201, P0202, P0203, P0204 FUEL INJECTOR
ECK-215
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
NO
>> Replace fuel injector. Refer to
EM-293, "Removal and Installation"
.
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