Nissan X-Trail 32. Manual — part 990

P1011 SWIRL CONTROL VALVE ACTUATOR

EC-1089

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

3.

Also check harness for short to power and short to ground.

Is the inspection result normal?

YES

>> Replace intake manifold runner control valve.

NO

>> Repair or replace error-detected parts.

+

-

Continuity

ECM

Intake manifold runner con-

trol valve

Connector

Terminal

Connector

Terminal

F117

49

F147

4

Existed

F118

112

1

121

3

125

2

EC-1090

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1012 SWIRL CONTROL VALVE ACTUATOR

P1012 SWIRL CONTROL VALVE ACTUATOR

DTC Description

INFOID:0000000010935777

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (Intake manifold runner control valve position sensor circuit is open or shorted.)
• Intake manifold runner control valve stuck
• Intake manifold runner control valve actuator
• Intake manifold runner control valve position sensor

FAIL-SAFE

Stop intake manifold runner control valve control (Fully open position)

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.

Perform “Intake Manifold Runner Control Valve Position Learning”. Refer to

EC-953, "Work Procedure"

.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to

EC-1090, "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:0000000010935778

1.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM harness connector connection F406 and F407.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE HARNESS CONNECTOR CONNECTIONS

Check intake manifold runner control valve harness connector connection F427.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE CIRCUIT FOR OPEN AND SHORT

1.

Disconnect ECM harness connector.

2.

Check the continuity between ECM harness connector and intake manifold runner control valve harness
connector.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1012

SWIRL FLAP
(Swirl flap)
• 1.DEF: OFFSET IMPLAUSIBLE

ECM detects the intake manifold runner control valve regulation error.

P1012 SWIRL CONTROL VALVE ACTUATOR

EC-1091

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

3.

Also check harness for short to power and short to ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

PERFORM INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION LEARNING

1.

Perform “Intake Manifold Runner Control Valve Position Learning”.

2.

Check DTC.

Is the DTC P1012 displayed again?

YES

>> GO TO 5.

NO

>> INSPECTION END

5.

CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE FITTING CONDITION

Check intake manifold runner control valve fitting condition.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace error-detected parts.

+

-

Continuity

ECM

Intake manifold runner con-

trol valve

Connector

Terminal

Connector

Terminal

F117

49

F147

4

Existed

F118

112

1

121

3

125

2

EC-1092

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1013 SWIRL CONTROL VALVE POSITION SENSOR

P1013 SWIRL CONTROL VALVE POSITION SENSOR

DTC Description

INFOID:0000000010935779

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (Intake manifold runner control valve position sensor circuit is open or shorted.)
• Intake manifold runner control valve position sensor

FAIL-SAFE

Stop intake manifold runner control valve control (Fully open position)

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-1092, "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:0000000010935780

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 INTAKE MANIFOLD RUNNER CONTROL VALVE HARNESS CONNECTOR CONNECTIONS

Check intake manifold runner control valve harness connector connection.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POWER SUPPLY CIRCUIT

1.

Disconnect intake manifold runner control valve.

2.

Turn ignition switch ON.

3.

Check the power supply of the intake manifold runner control valve.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1013

SWIRL FLAP POSITION SENSOR
(Swirl flap position sensor)
• 1.DEF: SIGNAL INCOHERENCE

• A voltage of intake manifold runner control valve position sensor is more

than 4.8 V for 1 second.

• A voltage of intake manifold runner control valve position sensor is less

than 0.2 V for 1 second.