Nissan X-Trail 32. Manual - part 993

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC-1101

< 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

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Control Motor)

INFOID:0000000010935790

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?

YES

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Position Sensor)

INFOID:0000000010935791

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.

Exhaust throttle control actuator

Resistance

+

-

Terminal

5

6

2.65 - 3.25 

Ω

ECM

Voltage

+

-

Terminal

113

117

0.2 – 4.8 V

EC-1102

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Description

INFOID:0000000010935792

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (Exhaust throttle valve position sensor circuit is open or shorted.)
• Exhaust throttle valve position sensor

FAIL-SAFE

• EGR valve is closed position
• Throttle control motor is opened
• Airflow regulation cut off
• CSF regeneration forbidden
• Compression test routine forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited

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 

EC-1102, "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:0000000010935793

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

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1482

EXHAUST THROTTLE POSITION SEN-
SOR
(Exhaust throttle position sensor)
• 1.DEF: SIGNAL INCOHERENCE

• An exhaust throttle valve position sensor voltage is more than 4.8 V.
• An exhaust throttle valve position sensor voltage is less than 0.2 V.

P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC-1103

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Perform trouble diagnosis for power supply circuit.

4.

CHECK EXHAUST THROTTLE POSITION SENSOR CIRCUIT

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 

EC-1103, "Component Inspection (Exhaust Throttle Position Sensor)"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Position Sensor)

INFOID:0000000010935794

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.

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F154

1

Ground

Battery voltage

+

+

Continuity

ECM

Exhaust electric throttle 

control actuator

Connector

Terminal

Connector

Terminal

F118

113

F154

3

Existed

ECM

Voltage

+

-

Terminal

113

117

0.2 – 4.8 V

EC-1104

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Description

INFOID:0000000010935795

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (Exhaust throttle valve position sensor circuit is open or shorted.)
• Exhaust throttle valve stuck
• Exhaust electric throttle control actuator
• Exhaust throttle valve position sensor

FAIL-SAFE

• EGR valve is closed position
• Throttle control motor is opened
• Airflow regulation cut off
• CSF regeneration forbidden
• Compression test routine forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited

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 

EC-1104, "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:0000000010935796

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.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1483

EXHAUST AIR FLAP OFFSET
(Exhaust air flap offset)
• 1.DEF: OFFSET IMPLAUSIBLE

ECM detects the exhaust throttle valve regulation error.