Nissan X-Trail 32. Manual - part 992

P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC-1097

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

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J

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A

EC

N

P

O

NO

>> GO TO 2.

2.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM 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 HARNESS CONNECTOR CONNEC-

TIONS

Check exhaust electric throttle control actuator harness connector connection.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Perform trouble diagnosis for power supply circuit.

5.

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 6.

NO

>> Repair or replace error-detected parts.

6.

DTC CONFIRMATION PROCEDURES

1.

Erase DTC.

2.

Perform DTC confirmation procedure again. Refer to 

EC-1096, "DTC Description"

.

Is the DTC P1480 displayed again?

YES

>> GO TO 7.

NO

>> INSPECTION END

7.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F154

5

Ground

Battery voltage

+

+

Continuity

ECM

Exhaust electric throttle 

control actuator

Connector

Terminal

Connector

Terminal

F118

104

F154

1

Existed

113

3

117

2

132

5

147

6

EC-1098

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

Perform 

EC-1098, "Component Inspection (Exhaust Throttle Position Sensor)"

, 

EC-1098, "Component

Inspection (Exhaust Throttle Control Motor)"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Control Motor)

INFOID:0000000010935786

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:0000000010935787

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

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC-1099

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

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EC

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P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Description

INFOID:0000000010935788

DTC DETECTION LOGIC

POSSIBLE CAUSE

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

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.

CHECK DTC PRIORITY

If DTC P1481 is displayed with DTC P0651, first perform the trouble diagnosis for DTC P0651.

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.

Start engine and wait at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>>

EC-1099, "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:0000000010935789

1.

CHECK DTC PRIORITY

If DTC P1481 is displayed with DTC P0651, first perform the trouble diagnosis for DTC P0651.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to 

EC-908, "DTC Index"

.

NO

>> GO TO 2.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1481

EXHAUST E/THROTTLE CONT ACTUA-
TOR
(Exhaust electric/throttle control actuator)
• 1.DEF: —
• 2.DEF: OPERATION TEMPERATURE 

TOO HIGH

• ECM detects the exhaust electric throttle control valve command circuit 

is short to ground.

• ECM detects the exhaust electric throttle control valve command circuit 

is short to power.

• ECM detects an over temperature of the exhaust electric throttle control 

actuator.

EC-1100

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

2.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM 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 HARNESS CONNECTOR CONNEC-

TIONS

Check exhaust electric throttle control actuator harness connector connection.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Perform trouble diagnosis for power supply circuit.

5.

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 6.

NO

>> Repair or replace error-detected parts.

6.

DTC CONFIRMATION PROCEDURES

1.

Erase DTC.

2.

Perform DTC confirmation procedure again. Refer to 

EC-1096, "DTC Description"

.

Is the DTC P1481 displayed again?

YES

>> GO TO 7.

NO

>> INSPECTION END

7.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

Perform 

EC-1101, "Component Inspection (Exhaust Throttle Position Sensor)"

, 

EC-1101, "Component Inspec-

tion (Exhaust Throttle Control Motor)"

.

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F154

5

Ground

Battery voltage

+

+

Continuity

ECM

Exhaust electric throttle 

control actuator

Connector

Terminal

Connector

Terminal

F118

104

F154

1

Existed

113

3

117

2

132

5

147

6