Nissan Qashqai J11. Manual — part 533

EC9-288

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

YES

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Position Sensor)

INFOID:0000000010503305

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.

ECM

Voltage

+

-

Terminal

113

117

0.2 – 4.8 V

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC9-289

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000010309278

DTC DETECTION LOGIC

NOTE:
If DTC P1481 is displayed with DTC P0651, first perform the trouble diagnosis for DTC P0651. Refer to

EC9-267, "DTC 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 and wait at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>>

EC9-289, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010503309

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

P1481

EXHAUST E/THROTTLE
CONT ACTUATOR
(Exhaust electric/throttle con-
trol actuator)
• 1.DEF: —
• 2.DEF: OPERATION TEM-

PERATURE 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.

• Harness and connectors

(Exhaust electric throttle con-
trol actuator command circuit is
open or shorted.)

• Exhaust electric throttle control

actuator

• Exhaust throttle valve stuck

EC9-290

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1481 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 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 P1481 displayed again?

YES

>> GO TO 6.

NO

>> Check intermittent incident. Refer to

GI-41, "Intermittent Incident"

.

6.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

Perform

EC9-291, "Component Inspection (Exhaust Throttle Position Sensor)"

,

EC9-290, "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:0000000010503310

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

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

EC9-291

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

YES

>> INSPECTION END

NO

>> Replace exhaust electric throttle control actuator.

Component Inspection (Exhaust Throttle Position Sensor)

INFOID:0000000010503311

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.

ECM

Voltage

+

-

Terminal

113

117

0.2 – 4.8 V