Nissan X-Trail 32. Manual - part 985

 

  Главная      Nissan     Nissan X-Trail 32 - Service Manual

 

поиск по сайту            

 

 

 

 

 

 

 

 

 

содержание   ..  983  984  985  986   ..

 

 

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.

Perform 

EC-944, "Work Procedure"

.

>> 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 

EC-1070, "DTC Description"

.

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.

Perform 

EC-944, "Work Procedure"

.

>> 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.

 

 

 

 

 

 

 

содержание   ..  983  984  985  986   ..