Nissan Maxima. Manual - part 469

EC-360

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P0455 EVAP CONTROL SYSTEM

Diagnosis Procedure

INFOID:0000000010095037

1.

CHECK FUEL FILLER CAP DESIGN

1. Turn ignition switch OFF.

2. Check for genuine NISSAN fuel filler cap design.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace with genuine NISSAN fuel filler cap.

2.

CHECK FUEL FILLER CAP INSTALLATION

Check that the cap is tightened properly by rotating the cap clockwise.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Open fuel filler cap, then clean cap and fuel filler neck threads using air blower. Retighten until

ratcheting sound is heard.

3.

CHECK FUEL FILLER CAP FUNCTION

Check for air releasing sound while opening the fuel filler cap.
Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK FUEL TANK VACUUM RELIEF VALVE

Refer to 

EC-362, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace fuel filler cap with a genuine one.

5.

CHECK EVAP PURGE LINE

Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks, improper connection or

disconnection.

Refer to 

EC-94, "System Diagram"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or reconnect the hose.

6.

CLEAN EVAP PURGE LINE

Clean EVAP purge line (pipe and rubber tube) using air blower.

>> GO TO 7.

7.

CHECK DRAIN FILTER

Refer to 

EC-511, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace drain filter.

8.

CHECK EVAP CANISTER VENT CONTROL VALVE

Check the following.

• EVAP canister vent control valve is installed properly.

SEF915U

P0455 EVAP CONTROL SYSTEM

EC-361

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Refer to 

FL-16, "Removal and Installation"

.

• EVAP canister vent control valve.

Refer to 

EC-335, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair or replace EVAP canister vent control valve and O-ring.

9.

CHECK FOR EVAP LEAKAGE

Refer to 

EC-594, "Inspection"

.

Is there any leakage in EVAP line?

YES

>> Repair or replace.

NO-1 >> With CONSULT: GO TO 10.

NO-2 >> Without CONSULT: GO TO 11.

10.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

With CONSULT

1. Disconnect vacuum hose from EVAP canister purge volume control solenoid valve at EVAP service port.

2. Start engine.

3. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode.

4. Touch “Qu” on CONSULT screen to increase “PURG VOL CONT/V” opening to 100%.

5. Check vacuum hose for vacuum.

Is the inspection result normal?

YES

>> GO TO 13.

NO

>> GO TO 12.

11.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

Without CONSULT

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

2. Stop engine.

3. Disconnect vacuum hose from EVAP canister purge volume control solenoid valve at EVAP service port.

4. Start engine and let it idle for at least 80 seconds.

5. Check vacuum hose for vacuum when revving engine up to 2,000 rpm.

Is the inspection result normal?

YES

>> GO TO 14.

NO

>> GO TO 12.

12.

CHECK VACUUM HOSE

Check vacuum hoses for clogging or disconnection. Refer to 

EC-94, "System Diagram"

.

Is the inspection result normal?

YES-1 >> With CONSULT: GO TO 13.

YES-2 >> Without CONSULT: GO TO 14.

NO

>> Repair or reconnect the hose.

13.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

With CONSULT

1. Start engine.

2. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT. Check that engine speed varies

according to the valve opening.

Does engine speed vary according to the valve opening?

YES

>> GO TO 15.

NO

>> GO TO 14.

14.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

Vacuum should exist.

Vacuum should exist.

EC-362

< DTC/CIRCUIT DIAGNOSIS >

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P0455 EVAP CONTROL SYSTEM

Refer to 

EC-327, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> Replace EVAP canister purge volume control solenoid valve.

15.

CHECK FUEL TANK TEMPERATURE SENSOR

Refer to 

EC-272, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 16.

NO

>> Replace fuel level sensor unit. Refer to 

FL-6, "Removal and Installation"

.

16.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

Refer to 

EC-346, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 17.

NO

>> Replace EVAP control system pressure sensor. Refer to 

FL-17, "Removal and Installation"

.

17.

CHECK EVAP/ORVR LINE

Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kinks, looseness and improper

connection. For location, refer to 

EC-508, "Description"

.

Is the inspection result normal?

YES

>> GO TO 18.

NO

>> Repair or replace hoses and tubes.

18.

CHECK RECIRCULATION LINE

Check recirculation line between filler neck tube and fuel tank for clogging, kinks, cracks, looseness and

improper connection.
Is the inspection result normal?

YES

>> GO TO 19.

NO

>> Repair or replace hose, tube or filler neck tube.

19.

CHECK REFUELING EVAP VAPOR CUT VALVE

Refer to 

EC-511, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 20.

NO

>> Replace refueling EVAP vapor cut valve with fuel tank. Refer to 

FL-10, "Exploded View"

. 

20.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000010095038

FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)

1.

CHECK FUEL FILLER CAP

1. Turn ignition switch OFF.

2. Remove fuel filler cap. Refer to 

FL-10, "Exploded View"

.

P0455 EVAP CONTROL SYSTEM

EC-363

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3. Wipe clean valve housing.

4. Install fuel filler cap adapter (commercial service tool) to fuel filler cap.

5. Check valve opening pressure and vacuum.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE FUEL FILLER CAP

Replace fuel filler cap. Refer to 

FL-10, "Exploded View"

.

CAUTION:

Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may

illuminate.

>> INSPECTION END

DRAIN FILTER

1. Check visually for insect nests in the drain filter air inlet.
2. Check visually for cracks or flaws in the appearance.
3. Check visually for cracks or flaws in the hose.
4. Blow air into port A and check that it flows freely out of port B.
5. Block port B.
6. Blow air into port A and check that there is no leakage.
7. If NG, replace drain filter.

SEF445Y

Pressure: 15.3 - 20.0 kPa (0.156 - 0.204 kg/cm

2

, 2.22 - 

2.90 psi)

Vacuum:

−6.0 to −3.3 kPa (−0.061 to −0.034 kg/cm

2

, 

−0.87 to −0.48 psi)

SEF943S

PBIB3641E