Nissan Qashqai J11. Manual - part 532

EC9-284

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1453 DIESEL PARTICULATE FILTER PRESSURE SENSOR

P1453 DIESEL PARTICULATE FILTER PRESSURE SENSOR

DTC Logic

INFOID:0000000010309272

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P1453 can not duplicate.

>> Proceed to 

EC9-284, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010309273

1.

VISUALLY CHECK

Visually check for chipping DPF (Diesel Particulate Filter) differential pressure sensor and turbocharger.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning parts.

2.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR HARNESS CONNECTOR CONNECTIONS

Check DPF differential pressure sensor harness connector connection.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check DPF differential pressure sensor circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR

Refer to 

EC9-285, "Component Inspection (DPF Differential Pressure Sensor)"

.

Is the inspection result normal?

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1453

DIFF. PRESSURE SENSOR 
CIRCUIT, PARTICLE FILTER
(Differential pressure sensor 
circuit, particle filter)
• 1.DEF: IMPLAUSIBLE SIG-

NAL

• 2.DEF: CLOGGED

ECM detects an abnormal pressure of DPF.

• Harness and connectors
• DPF differential pressure sen-

sor

+

-

Continuity

ECM

DPF differential pressure 

sensor

Connector

Terminal

Connector

Terminal

F83

100

F120

1

Existed

117

2

122

3

P1453 DIESEL PARTICULATE FILTER PRESSURE SENSOR

EC9-285

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

YES

>> GO TO 5.

NO

>> Replace error-detected parts.

5.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR TUBE

1.

Remove DPF differential pressure sensor tube.

2.

Check DPF differential pressure sensor tube for clogging.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair DPF differential pressure sensor tube.

Component Inspection (DPF Differential Pressure Sensor)

INFOID:0000000010309274

1.

CHECK DPF PRESSURE SENSOR

1.

Disconnect DPF differential pressure sensor harness connector.

2.

Check the resistance between DPF differential pressure sensor terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace DPF differential pressure sensor.

DPF differential pressure sen-

sor

Resistance

+

-

Terminals

3

2

330 k

Ω

EC9-286

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000010309275

DTC DETECTION LOGIC

NOTE:
If DTC P1480 is displayed with DTC P1481 and P1482, perform trouble diagnosis for DTC P1481 and
P1482. Refer to 

EC9-108, "DTC Index"

.

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.

Turn ignition switch ON and wait at least 5 seconds.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

EC9-286, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010309276

1.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM harness connector connection.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR HARNESS CONNECTOR CONNEC-

TIONS

Check exhaust electric throttle control actuator harness connector connection.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT

Check the power supply of the exhaust electric throttle control actuator.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1480

EXHAUST AIR FLAP FUNC-
TION
(Exhaust air flap function)
• 1.DEF: NO RESPONSE 

FROM THE VALVE MOTOR

• 2.DEF: INLET FLAP 

BLOCKED CLOSED

• 3.DEF: CLOSING OF AIR 

INLET FLAP

• Exhaust throttle valve regulation error.
• ECM detects an incorrect closed position of the 

exhaust throttle valve.

• Exhaust throttle valve stuck
• Exhaust electric throttle control 

actuator

P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC9-287

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Perform trouble diagnosis for power supply circuit.

4.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check exhaust electric throttle control actuator circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace error-detected parts.

5.

DTC CONFIRMATION PROCEDURES

1.

Erase DTC.

2.

Perform DTC confirmation procedure again. Refer to 

EC9-286, "DTC Logic"

.

Is the DTC P1480 displayed again?

YES

>> GO TO 6.

NO

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

6.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

Perform 

EC9-288, "Component Inspection (Exhaust Throttle Position Sensor)"

, 

EC9-287, "Component

Inspection (Exhaust Throttle Control Motor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Control Motor)

INFOID:0000000010309277

1.

CHECK EXHAUST THROTTLE CONTROL MOTOR

1.

Disconnect exhaust electric throttle control actuator harness connector.

2.

Check the resistance between exhaust throttle control motor terminals as follows.

Is the inspection result normal?

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F59

5

Ground

Battery voltage

+

+

Continuity

ECM

Exhaust electric throttle 

control actuator

Connector

Terminal

Connector

Terminal

F83

104

F59

1

Existed

113

3

117

2

132

5

147

6

Exhaust throttle control actuator

Resistance

+

-

Terminal

5

6

2.65 - 3.25 

Ω