Nissan Qashqai J11. Manual - part 436

 

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Nissan Qashqai J11. Manual - part 436

 

 

ECK-304

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000010289931

DTC DETECTION LOGIC

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 1 second.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-304, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289932

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

P1483

EXHAUST AIR FLAP POSI-
TION SENSOR CIRCUIT
(Exhaust air flap position sen-
sor circuit)
• 1.DEF: OFFSET IMPLAU-

SIBLE

ECM detects the exhaust throttle valve regulation er-
ror.

• Harness and connectors

(Exhaust throttle valve position 
sensor circuit is open or short-
ed.)

• Exhaust throttle valve stuck
• Exhaust electric throttle control 

actuator

• Exhaust throttle valve position 

sensor

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F59

5

Ground

Battery voltage

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

ECK-305

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Perform trouble diagnosis for power supply circuit.

4.

CHECK EXHAUST 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.

CHECK EXHAUST THROTTLE POSITION SENSOR

Refer to 

ECK-305, "Component Inspection (Exhaust Throttle Position Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> GO TO 6.

6.

REPLACE EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

1.

Replace exhaust electric throttle control actuator.

2.

Perform 

ECK-137, "Work Procedure"

.

>> INSPECTION END

Component Inspection (Exhaust Throttle Position Sensor)

INFOID:0000000010289933

1.

CHECK EXHAUST THROTTLE POSITION SENSOR

1.

Turn ignition switch ON.

2.

Check the voltage between ECM terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

+

+

Continuity

ECM

Exhaust electric throttle 

control actuator

Connector

Terminal

Connector

Terminal

F80

57

F59

1

Existed

62

2

76

3

F81

149

6

150

5

ECM

Voltage

+

-

Terminal

76

62

0.2 – 4.8 V

ECK-306

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P1484 LOW PRESSURE EGR VOLUME CONTROL VALVE

P1484 LOW PRESSURE EGR VOLUME CONTROL VALVE

DTC Logic

INFOID:0000000010289934

DTC DETECTION LOGIC

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.

Maintain the following conditions for at least 10 consecutive seconds. Hold the steady as possible.

3.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-306, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289935

1.

CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE

Visually check low pressure EGR volume control valve for chipping.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK DIESEL PARTICULATE FILTER

Refer to 

ECK-359, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace diesel particulate filter.

3.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

Check ECM harness connector connection.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS

Check low pressure EGR volume control valve harness connector connection.
Is the inspection result normal?

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1484

HIGH PRESSURE EGR 
VALVE
(High pressure EGR valve)
• 1.DEF: MECHANICAL 

FAULT

ECM detects an incorrect closed position of the low 
pressure EGR volume control valve.

• Low pressure EGR volume 

control valve clogged

• Low pressure EGR volume 

control valve stuck

• Low pressure EGR volume 

control valve

ENGINE SPEED

3,500 rpm

P1484 LOW PRESSURE EGR VOLUME CONTROL VALVE

ECK-307

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

YES

>> GO TO 5.

NO

>> Repair or replace error-detected parts.

5.

CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check low pressure EGR volume control valve circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

DTC CONFIRMATION PROCEDURE

1.

Erase DTC.

2.

Perform DTC confirmation procedure again. Refer to 

ECK-306, "DTC Logic"

.

Is the DTC P1484 displayed again?

YES

>> GO TO 7.

NO

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

7.

CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE MOTOR

Refer to 

ECK-307, "Component Inspection (Low Pressure EGR Volume Control Valve Motor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace error-detected parts. 

Component Inspection (Low Pressure EGR Volume Control Valve Motor)

INFOID:0000000010289936

1.

CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE MOTOR

1.

Turn ignition switch OFF.

2.

Disconnect low pressure EGR volume control valve harness connector.

3.

Check resistance between low pressure EGR volume control valve terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace low pressure EGR volume control valve.

+

-

Continuity

ECM

Low pressure EGR volume 

control valve

Connector

Terminal

Connector

Terminal

F80

65

F34

1

Existed

66

2

79

3

F81

151

6

152

5

Low pressure EGR volume control valve

Condition

Resistance

+

-

Terminal

5

6

Temperature

°

 C (

°

F)

20 (68)

1.69 

Ω

 

 

 

 

 

 

 

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