Nissan X-Trail 32. Manual — part 985
P061A ECM
EC-1069
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P061A ECM
DTC Description
INFOID:0000000010935753
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
• Medium engine speed limitation
• CCSL deactivation with dashboard message
• Freeshift inhibited (If present)
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P061A can not duplicate.
>> Proceed to
EC-1069, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010935754
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Turn ignition switch OFF and wait for 1 minute.
4.
Turn ignition switch ON and wait at least 1 second.
5.
Perform the self-diagnosis.
Is the DTC P061A displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM.
2.
.
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P061A
—
(Internal control module torque perfor-
mance)
ECM detects internal error.
EC-1070
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0627 FUEL PUMP
P0627 FUEL PUMP
DTC Description
INFOID:0000000010935755
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Fuel pump relay circuit is open or shorted.)
• Fuel pump relay
• Fuel pressure sensor
• FPCM
FAIL-SAFE
Not applicable
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 the engine and wait at least 5 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1070, "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:0000000010935756
1.
CHECK FUEL LEAKAGE
Visually check the fuel leakage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK FUEL PRESSURE SENSOR POWER SUPPLY
1.
Disconnect fuel pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between fuel pressure sensor harness connector and ground.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0627
LOW PRES PMP REL CIRC
(Fuel pump “A” control circuit/open)
• 1.DEF: FAULT ALERTED VIA THE CON-
TROL UNIT
• 2.DEF: SIGNAL OUTSIDE LOWER LIM-
IT
• 3.DEF: PARAMETER AT MINIMUM
STOP
• 4.DEF: PARAMETER AT MAXIMUM
STOP
• Low fuel pressure is excessively low.
• Low fuel pressure is excessively high.
P0627 FUEL PUMP
EC-1071
< 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
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK FUEL PRESSURE SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between fuel pressure sensor harness connector and ECM harness connector.
4.
Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
4.
CHECK FUEL PRESSURE SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between fuel pressure sensor harness connector and ECM harness connector.
4.
Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Reconnect harness connectors disconnected.
2.
Erase DTC.
3.
Disconnect fuel injector return pipes.
4.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected again?
YES
>> Replace fuel pump (in fuel tank).
NO
>> Repair or replace fuel return circuit.
+
−
Voltage
(Approx.)
Fuel pressure sensor
Connector
Terminal
F150
3
Ground
5 V
+
−
Continuity
Fuel pressure sensor
ECM
Connector
Terminal
Connector
Terminal
F150
3
F117
55
Existed
+
−
Continuity
Fuel pressure sensor
ECM
Connector
Terminal
Connector
Terminal
F150
1
F117
66
Existed
2
88
EC-1072
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P062B ECM
P062B ECM
DTC Description
INFOID:0000000010935757
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
• EGR valve is closed position
• Throttle control motor is opened
• CSF regeneration forbidden
• Increased idle speed
• CCSL deactivation with dashboard message
• Freeshift inhibited
• ESP deactivated and AGB in limp home mode
• Compression test routine forbidden
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.
2.
Check DTC.
Is DTC detected?
YES
>>
EC-1072, "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:0000000010935758
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Turn ignition switch OFF and wait for 1 minute.
4.
Turn ignition switch ON and wait at least 1 second.
5.
Perform the self-diagnosis.
Is the DTC P062B displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM.
2.
.
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P062B
COMPUTER
(Internal control module fuel injector control
performance)
• 1.DEF: —
ECM calculation function is malfunctioning.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст