Nissan X-Trail 32. Manual - part 979

 

  Главная      Nissan     Nissan X-Trail 32 - Service Manual

 

поиск по сайту            

 

 

 

 

 

 

 

 

 

содержание   ..  977  978  979  980   ..

 

 

Nissan X-Trail 32. Manual - part 979

 

 

P0409 EGR VOLUME CONTROL VALVE POSITION SENSOR

EC-1045

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE POSITION SENSOR CIRCUIT FOR OPEN

AND SHORT

1.

Turn ignition switch OFF.

2.

Check high pressure EGR volume control valve position sensor circuit for open and short.

Is the inspection result normal?

YES

>> Replace High pressure EGR volume control valve.

NO

>> Repair or replace error-detected parts.

+

-

Continuity

ECM

High pressure EGR volume 

control valve

Connector

Terminal

Connector

Terminal

F118

106

F156

6

Existed

108

4

110

5

EC-1046

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0470 EXHAUST GAS PRESSURE SENSOR

P0470 EXHAUST GAS PRESSURE SENSOR

DTC Description

INFOID:0000000010935725

DTC DETECTION LOGIC

POSSIBLE CAUSE

Exhaust gas pressure sensor

FAIL-SAFE

• Boost pressure limitation
• EGR valve is closed position
• Throttle control motor is opened
• CCSL deactivation (considered as abnormal with dashboard message)
• Freeshift inhibited
• CSF regeneration forbidden

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC P0470 is displayed with DTC P0651 or P2263, first perform the trouble diagnosis for DTC P0651 or
P2263.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

EC-908, "DTC Index"

.

NO

>> GO TO 2.

2.

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 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait at least 5 second.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

EC-1046, "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:0000000010935726

1.

CHECK DTC PRIORITY

If DTC P0470 is displayed with DTC P0651 or P2263, first perform the trouble diagnosis for DTC P0651 or
P2263.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

EC-908, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM harness connector connection.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0470

TBN UPSTR PRS SEN CIRC
(Exhaust pressure sensor “A” circuit)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH

• An excessively low voltage from the sensor is sent to ECM.
• An excessively high voltage from the sensor is sent to ECM.

P0470 EXHAUST GAS PRESSURE SENSOR

EC-1047

< 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 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK EXHAUST GAS PRESSURE SENSOR HARNESS CONNECTOR CONNECTIONS

Check exhaust gas pressure sensor harness connector connection.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK EXHAUST GAS PRESSURE SENSOR POWER SUPPLY CIRCUIT

Check the power supply of the exhaust gas pressure sensor.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Perform trouble diagnosis for power supply circuit.

5.

CHECK EXHAUST GAS PRESSURE SENSOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check exhaust gas pressure sensor circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK EXHAUST GAS PRESSURE SENSOR

Refer to 

EC-1048, "Component Inspection (Exhaust Gas Pressure Sensor)"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace error-detected parts.

7.

DTC CONFIRMATION PROCEDURES

1.

Erase DTC.

2.

Perform DTC confirmation procedure again. Refer to 

EC-1046, "DTC Description"

.

Is the DTC P0470 displayed again?

YES

>> GO TO 8.

NO

>> INSPECTION END

8.

CHECK TURBOCHARGER

Check turbocharger.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace malfunctioning parts.

+

-

Voltage

(Approx.)

Exhaust gas pressure sensor

Connector

Terminal

F81

3

Ground

5 V

+

-

Continuity

ECM

Exhaust gas pressure sen-

sor

Connector

Terminal

Connector

Terminal

F118

104

F81

3

Existed

126

1

138

2

EC-1048

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0470 EXHAUST GAS PRESSURE SENSOR

Component Inspection (Exhaust Gas Pressure Sensor)

INFOID:0000000010935727

1.

CHECK EXHAUST GAS PRESSURE SENSOR

1.

Disconnect exhaust gas pressure sensor harness connector.

2.

Check the resistance between exhaust gas pressure sensor terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace exhaust gas pressure sensor.

Exhaust gas pressure sensor

Resistance (Approx.)

+

-

Terminal

2

1

100 k

 

 

 

 

 

 

 

содержание   ..  977  978  979  980   ..