Nissan Rogue. Manual - part 540

EC-428

< DTC/CIRCUIT DIAGNOSIS >

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P2014, P2016, P2017, P2018 INTAKE MANIFOLD RUNNER CONTROL VALVE 

POSITION SENSOR

NO

>> Repair or replace error-detected parts.

5.

CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between intake manifold runner control valve position sensor harness connector and

ECM harness connector.

4. Also check harness for short to power.
Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT

1. Check the continuity between intake manifold runner control valve position sensor harness connector and

ECM harness connector.

2. Also check harness for short to ground and to power.
Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace error-detected parts.

7.

CHECK INTERMITTENT INCIDENT

Perform 

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace intake manifold assembly. Refer to 

EM-29, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

8.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

+

-

Continuity

Intake manifold runner control 

valve position sensor

ECM

Connector

Terminal

Connector

Terminal

F20

3

F52

92

Existed

+

-

Continuity

Intake manifold runner control 

valve position sensor

ECM

Connector

Terminal

Connector

Terminal

F20

2

F52

83

Existed

P2096, P2097 A/F SENSOR 1

EC-429

< DTC/CIRCUIT DIAGNOSIS >

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P2096, P2097 A/F SENSOR 1

DTC Description

INFOID:0000000011278145

DTC DETECTION LOGIC

POSSIBLE CAUSE

• A/F sensor 1

• A/F sensor 1 heater

• Heated oxygen sensor 2

• Fuel pressure

• Fuel injector

• Intake air leaks

• Exhaust gas leaks

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Clear the mixture ratio self-learning value. Refer to 

EC-146, "Work Procedure"

.

2. Turn ignition switch OFF and wait at least 10 seconds.

3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for 1 minute under no load.

4. Let engine idle for 1 minute.

5. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.

6. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Proceed to 

EC-429, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000011278146

1.

CHECK HARNESS CONNECTOR

1. Turn ignition switch OFF.

2. Disconnect A/F sensor 1 harness connector.

3. Check harness connector for water. 

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P2096

POST CATALYST FUEL TRIM SYS B1
(Post catalyst fuel trim system too lean bank 
1)

The output voltage computed by ECM from the A/F sensor 1 signal is shifts 
to the lean side for a specified period.

P2097

POST CATALYST FUEL TRIM SYS B1
(Post catalyst fuel trim system too rich bank 
1)

The A/F signal computed by ECM from the A/F sensor 1 signal is shifts to 
the rich side for a specified period.

Water should not exit.

EC-430

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

P2096, P2097 A/F SENSOR 1

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness connector.

2.

RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2

Loosen and retighten the A/F sensor 1 and heated oxygen sensor 2. Refer to 

EM-32, "Exploded View"

, 

EX-5,

"Exploded View"

.

>> GO TO 3.

3.

CHECK FOR EXHAUST GAS LEAK

1. Start engine and run it at idle.

2. Listen for an exhaust gas leak before the three way catalyst 2.
Is exhaust gas leak detected?

YES

>> Repair or replace malfunctioning parts.

NO

>> GO TO 4.

4.

CHECK FOR INTAKE AIR LEAK

1. Reconnect A/F sensor 1 harness connector.

2. Start engine and run it at idle.

3. Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?

YES

>> Repair or replace malfunctioning parts.

NO

>> GO TO 5.

5.

CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE

1. Clear the mixture ratio self-learning value. Refer to 

EC-146, "Work Procedure"

.

2. Run engine for at least 10 minutes at idle speed.
Is the 1st trip DTC P0171 or P0172 detected? Is it difficult to start engine?

YES

>> Perform trouble diagnosis for DTC P0171 or P0172. Refer to 

EC-263, "DTC Description"

 or 

EC-

268, "DTC Description"

.

NO

>> GO TO 6.

6.

CHECK A/F SENSOR 1 POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect A/F sensor 1 harness connector.

3. Turn ignition switch ON.

4. Check the voltage between A/F sensor 1 harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 7.

7.

CHECK A/F SENSOR 1 POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R harness connector.

3. Check the continuity between A/F sensor 1 harness connector and IPDM E/R harness connector.

+

-

Voltage

A/F sensor 1

Connector

Terminal

F18

4

Ground

Battery voltage

P2096, P2097 A/F SENSOR 1

EC-431

< DTC/CIRCUIT DIAGNOSIS >

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4. Also check harness for short to ground.
Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

8.

CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.

4. Check the continuity between A/F sensor 1 harness connector and ground, or ECM harness connector

and ground.

5. Also check harness for short to power.
Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair or replace error-detected parts.

9.

CHECK A/F SENSOR 1 HEATER

Check the A/F sensor 1 heater. Refer to 

EC-189, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> GO TO 12.

10.

CHECK HEATED OXYGEN SENSOR 2

Check heated oxygen sensor 2. Refer to 

EC-242, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Replace heated oxygen sensor 2. Refer to 

EX-5, "Exploded View"

.

+

−

Continuity

A/F sensor 1

IPDM E/R

Connector

Terminal

Connector

Terminal

F18

4

F35

75

Existed

+

−

Continuity

A/F sensor 1

ECM

Connector

Terminal

Connector

Terminal

F18

1

F51

41

Existed

2

45

+

-

Continuity

A/F sensor 1

Connector

Terminal

F18

1

Ground

Not existed

2

+

-

Continuity

ECM

Connector

Terminal

F51

41

Ground

Not existed

45