Nissan Versa Note. Manual - part 326

EC-286

< DTC/CIRCUIT DIAGNOSIS >

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P0420 THREE WAY CATALYST FUNCTION

Check the initial spark plug for fouling, etc.
Is the inspection result normal?

YES

>> Replace spark plug(s) with standard type one(s). For

spark plug type, refer to 

EM-116, "Spark Plug"

.

NO

>> Repair or clean spark plug. Then GO TO 9

9.

CHECK FUNCTION OF IGNITION COIL-III

1. Reconnect the initial spark plugs.

2. Crank engine for about 3 seconds, and recheck whether spark is generated between the spark plug and

the grounded portion.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace spark plug(s) with standard type one(s). For spark plug type, refer to 

EM-116, "Spark

Plug"

.

10.

CHECK FUEL INJECTOR

1. Turn ignition switch OFF.

2. Remove fuel injector assembly.

Refer to 

EM-40, "Removal and Installation"

.

Keep fuel hose and all fuel injectors connected to fuel tube.

3. Disconnect all ignition coil harness connectors.

4. Reconnect all fuel injector harness connectors disconnected.

5. Turn ignition switch ON.
Does fuel drip from fuel injector?

YES

>> GO TO 11.

NO

>> Replace the fuel injector(s) from which fuel is dripping. Refer to 

EM-40, "Removal and Installa-

tion"

.

11.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

Is the trouble fixed?

YES

>> INSPECTION END

NO

>> Replace three way catalyst assembly. Refer to 

EX-5, "Exploded View"

.

SEF156I

Spark should be generated.

P0441 EVAP CONTROL SYSTEM

EC-287

< DTC/CIRCUIT DIAGNOSIS >

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P0441 EVAP CONTROL SYSTEM

DTC Logic

INFOID:0000000009020784

DTC DETECTION LOGIC

NOTE:

If DTC P0441 is displayed with other DTC such as P2122, P2123, P2127, P2128 or P2138, first perform

trouble diagnosis for other DTC.

In this evaporative emission (EVAP) control system, purge flow occurs during non-closed throttle conditions.

Purge volume is related to air intake volume. Under normal purge conditions (non-closed throttle), the EVAP

canister purge volume control solenoid valve is open to admit purge flow. Purge flow exposes the EVAP con-

trol system pressure sensor to intake manifold vacuum.

Under normal conditions (non-closed throttle), sensor output voltage indicates if pressure drop and purge flow

are adequate. If not, a malfunction is determined.

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 at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.
Will CONSULT be used?

YES

>> GO TO 2.

NO

>> GO TO 5.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0441

EVAP PURG FLOW/MON
(EVAP control system incorrect 
purge flow)

EVAP control system does 
not operate properly, EVAP 
control system has a leak 
between intake manifold 
and EVAP control system 
pressure sensor.

• EVAP canister purge volume control solenoid valve 

stuck closed

• EVAP control system pressure sensor and the circuit
• Loose, disconnected or improper connection of rubber 

tube

• Blocked rubber tube
• Cracked EVAP canister
• EVAP canister purge volume control solenoid valve 

circuit

• Accelerator pedal position sensor
• Blocked purge port
• EVAP canister vent control valve

JSBIA0416GB

EC-288

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P0441 EVAP CONTROL SYSTEM

2.

PERFORM DTC CONFIRMATION PROCEDURE-I

WITH CONSULT

TESTING CONDITION:

Always perform test at a temperature of 5

°C (41°F) or more.

1. Start engine and warm it up to normal operating temperature.

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

3. Turn ignition switch ON.

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

5. Start engine and let it idle for at least 70 seconds.

6. Select “PURG FLOW P0441” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode of

“ENGINE” using CONSULT.

7. Touch “START”.
Is “COMPLETED” displayed on CONSULT screen?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE-II

When the following conditions are met, “TESTING” will be displayed on the CONSULT screen. Maintain the

conditions continuously until “TESTING” changes to “COMPLETED”. (It will take at least 35 seconds.)

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If “TESTING” does not change for a long time, retry from step 2.
Is “COMPLETED” displayed on CONSULT screen?

YES

>> GO TO 4.

NO

>> Perform DTC CONFIRMATION PROCEDURE again. GO TO 2.

4.

PERFORM DTC CONFIRMATION PROCEDURE-III

Touch “SELF-DIAG RESULTS”.
Which is displayed on CONSULT screen?

OK

>> INSPECTION END

NG

>> Proceed to 

EC-289, "Diagnosis Procedure"

.

5.

PERFORM COMPONENT FUNCTION CHECK

WITH GST

Perform component function check. Refer to 

EC-288, "Component Function Check"

.

NOTE:

Use component function check to check the overall monitoring function of the EVAP control system purge flow

monitoring. During this check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-289, "Diagnosis Procedure"

.

Component Function Check

INFOID:0000000009020785

1.

PERFORM COMPONENT FUNCTION CHECK

1. Lift up drive wheels.

2. Start engine (VDC switch OFF) and warm it up to normal operating temperature.

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

Selector lever

Suitable position

VHCL SPEED SE

32 - 120 km/h (20 - 75 MPH)

ENG SPEED

500 - 3,800 rpm

B/FUEL SCHDL

1.0 - 10 msec

COOLAN TEMP/S

More than 0

°C (32°F)

P0441 EVAP CONTROL SYSTEM

EC-289

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4. Start engine and wait at least 70 seconds.

5. Set voltmeter probes to ECM harness connector terminals as per the following.

6. Check EVAP control system pressure sensor value at idle speed and note it.

7. Establish and maintain the following conditions for at least 1 minute.

8. Verify that EVAP control system pressure sensor value stays 0.1 V less than the value at idle speed (mea-

sured at step 6) for at least 1 second.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-289, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009020786

1.

CHECK EVAP CANISTER

1. Turn ignition switch OFF.

2. Check EVAP canister for cracks.
Is the inspection result normal?

YES-1 >> With CONSULT: GO TO 2.

YES-2 >> Without CONSULT: GO TO 3.

NO

>> Replace EVAP canister. Refer to 

FL-14, "Removal and Installation"

.

2.

CHECK PURGE FLOW

WITH CONSULT

1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP ser-

vice port.

2. Start engine and let it idle.

3. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.

4. Touch “Qd” and “Qu” on CONSULT screen to adjust “PURG VOL CONT/V” opening and check vacuum

existence.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 4.

3.

CHECK PURGE FLOW

WITHOUT CONSULT

1. Start engine and warm it up to normal operating temperature.

2. Stop engine.

ECM

Connector

+

–

Terminal

F11

43

68

Air conditioner switch

ON

Headlamp switch

ON

Rear window defogger switch

ON

Engine speed

Approx. 3,000 rpm

Gear position

Any position other than P, N or R

PURG VOL CONT/V

Vacuum

100%

Existed

0%

Not existed