Nissan X-Trail 32. Manual — part 972
P0200 FUEL INJECTOR
EC-1017
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
Component Inspection (Fuel Injector)
INFOID:0000000010935691
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-339, "Removal and Installation"
.
Cylinder
+
-
Continuity
ECM
Fuel injector
Connector
Terminal
Connector
Terminal
No.1
F118
158
F162
1
Existed
160
2
No.2
154
F163
1
159
2
No.3
157
F164
1
155
2
No.4
153
F165
1
156
2
Fuel injector
Condition
Resistance
+
−
Terminal
1
2
Temperature: 20
°
C (68
°
F)
13.7 – 15.3
Ω
EC-1018
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0201, P0202, P0203, P0204 FUEL INJECTOR
P0201, P0202, P0203, P0204 FUEL INJECTOR
DTC Description
INFOID:0000000010935692
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (The fuel injector circuit is open.)
• Fuel injector
• Injector code error
FAIL-SAFE
• EGR valve is closed position
• Throttle control motor is opened
• After sales routines forbidden
• CCSL deactivation with dashboard message
• CSF regeneration forbidden
• Increased idle speed
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.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0201
CYLINDER 1 INJECTOR CIRC
(Injector circuit/open - cylinder 1)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMI-
TY INFORMATION (CHECKSUM)
• 4.DEF: ABOVE THE MAX LEVEL
• 5.DEF: INCOHERENCE
• CO: OPEN CIRCUIT
• Injector code is incorrect.
• ECM detects fuel injectors circuit are open or shorted.
• ECM error
P0202
CYLINDER 2 INJECTOR CIRC
(Injector circuit/open - cylinder 2)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMI-
TY INFORMATION (CHECKSUM)
• 4.DEF: ABOVE THE MAX LEVEL
• 5.DEF: INCOHERENCE
• CO: OPEN CIRCUIT
P0203
CYLINDER 3 INJECTOR CIRC
(Injector circuit/open - cylinder 3)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMI-
TY INFORMATION (CHECKSUM)
• 4.DEF: ABOVE THE MAX LEVEL
• 5.DEF: INCOHERENCE
• CO: OPEN CIRCUIT
P0204
CYLINDER 4 INJECTOR CIRC
(Injector circuit/open - cylinder 4)
• 1.DEF: AT MAXIMUM LIMIT
• 2.DEF: SIGNAL INCOHERENCE
• 3.DEF: COMPARISON OF CONFORMI-
TY INFORMATION (CHECKSUM)
• 4.DEF: ABOVE THE MAX LEVEL
• 5.DEF: INCOHERENCE
• CO: OPEN CIRCUIT
P0201, P0202, P0203, P0204 FUEL INJECTOR
EC-1019
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for at least 5 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1019, "Diagnosis Procedure"
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010935693
1.
PERFORM FUEL INJECTOR ADJUSTMENT VALUE REGISTRATION
1.
Perform FUEL INJECTOR ADJUSTMENT VALUE REGISTRATION. Refer to
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK FUEL RETURN HOSE
Check Fuel return hose.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK COMPRESSION PRESSURE
Check compression pressure.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check pistons, piston rings, valves, valve seats and cylinder head gaskets.
4.
CHECK FUEL INJECTOR HARNESS CONNECTOR STATE
Check fuel injector harness connector state.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK FUEL INJECTOR
EC-1020, "Component Inspection (Fuel Injector)"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK FUEL INJECTOR CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check fuel injector circuit for open and short.
EC-1020
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0201, P0202, P0203, P0204 FUEL INJECTOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
Component Inspection (Fuel Injector)
INFOID:0000000010935694
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-339, "Removal and Installation"
.
Cylinder
+
-
Continuity
ECM
Fuel injector
Connector
Terminal
Connector
Terminal
No.1
F118
158
F162
1
Existed
160
2
No.2
154
F163
1
159
2
No.3
157
F164
1
155
2
No.4
153
F165
1
156
2
Fuel injector
Condition
Resistance
+
−
Terminal
1
2
Temperature: 20
°
C (68
°
F)
13.7 – 15.3
Ω
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