Nissan Altima HL32 Hybrid. Manual - part 320

EC-264

< COMPONENT DIAGNOSIS >

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P0441 EVAP CONTROL SYSTEM

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE-I

With CONSULT-III

1. Activate “INSPECTION MODE 1” (

HBC-104

) to start engine, and warm up engine 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. Turn ignition switch ON (READY).

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

SULT-III.

7. Touch “START”.

8. Depress the accelerator pedal to start engine, then keep engine running until “TESTING” changes to

“COMPLETED”. (It will take at most 10 seconds.)

9. Touch “SELF-DIAG RESULT”.
Which is displayed on CONSULT-III screen?

OK

>> INSPECTION END

NG

>> Go to 

EC-265, "Diagnosis Procedure"

.

4.

PERFORM COMPONENT FUNCTION CHECK

Perform component function check. Refer to 

EC-264, "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

>> Go to 

EC-265, "Diagnosis Procedure"

.

Component Function Check

INFOID:0000000004211499

1.

PERFORM COMPONENT FUNCTION CHECK

Without CONSULT-III

1. Lift up the vehicle.

2. Activate “INSPECTION MODE 1” (

HBC-104

) to start engine, and warm up engine to normal operating

temperature.

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

4. Turn ignition switch ON.

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

6. Activate “INSPECTION MODE 1” (

HBC-104

) to start engine,

and wait at least 150 seconds.

7. Set voltmeter probes to ECM harness connector and ground.

8. Check EVAP control system pressure sensor value when vehi-

cle is stopped and note it.

9. Establish and maintain the following conditions for at least 1

minute.

ECM

Ground

Connector

Terminal

E10

86

(EVAP control system pressure sensor signal)

Ground

Vehicle speed 70 km/h (43 MPH) or more

Shift lever

D position

JMBIA1594ZZ

P0441 EVAP CONTROL SYSTEM

EC-265

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10. Verify that EVAP control system pressure sensor value stays 0.1V less than the value when vehicle is

stopped (measured at step 8) for at least 1 second.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

EC-265, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004211500

1.

CHECK EVAP CANISTER

1. Turn ignition switch OFF.

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

YES-1 >> With CONSULT-III: GO TO 2.

YES-2 >> Without CONSULT-III: GO TO 3.

NO

>> Replace EVAP canister.

2.

CHECK PURGE FLOW

With CONSULT-III

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

vice port and install vacuum gauge. For the location of EVAP service port, refer to 

EC-63, "System Dia-

gram"

.

2. Turn ignition switch ON (READY).

3. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT-III.

4. Rev engine up to 2,000 rpm.

5. Touch “Qd” and “Qu” on CONSULT-III 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-III

1. Activate “INSPECTION MODE 1” (

HBC-104

) to start engine, and warm up engine to normal operating

temperature.

2. Turn ignition switch OFF.

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

vice port and install vacuum gauge. For the location of EVAP service port, refer to 

EC-63, "System Dia-

gram"

.

4. Lift up the vehicle.

5. Activate “INSPECTION MODE 1” (

HBC-104

) to start engine, and let engine idle.

6. Wait at least 150 seconds.

7. Vehicle speed is 0 km/h (0 MPH).

8. Check vacuum hose for vacuum.

9. Drive vehicle at a speed of 70 km/h (43 MPH) or more.

10. Check vacuum hose for vacuum.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 4.

PURG VOL CONT/V

Vacuum

100%

Existed

0%

Not existed

Vacuum should not exist.

Vacuum should exist.

EC-266

< COMPONENT DIAGNOSIS >

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P0441 EVAP CONTROL SYSTEM

4.

CHECK EVAP PURGE LINE

1. Turn ignition switch OFF.

2. Check EVAP purge line for improper connection or disconnection.

Refer to 

EC-63, "System Diagram"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair it.

5.

CHECK EVAP PURGE HOSE AND PURGE PORT

1. Disconnect purge hoses connected to EVAP service port A and

EVAP canister purge volume control solenoid valve B.

2. Blow air into each hose and EVAP purge port C.

3. Check that air flows freely.
Is the inspection result normal?

YES-1 >> With CONSULT-III: GO TO 6.

YES-2 >> Without CONSULT-III: GO TO 7.

NO

>> Repair or clean hoses and/or purge port.

6.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

With CONSULT-III

1. Turn ignition switch ON (READY).

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

ies according to the valve opening.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 7.

7.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

Refer to 

EC-271, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace EVAP canister purge volume control solenoid valve.

8.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR

1. Disconnect EVAP control system pressure sensor harness connector.

2. Check connectors for water.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace EVAP control system pressure sensor.

SEF367U

SEF368U

Water should not exist.

P0441 EVAP CONTROL SYSTEM

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9.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR FUNCTION

Refer to 

EC-288, "DTC Logic"

 for DTC P0452, 

EC-293, "DTC Logic"

 for DTC P0453.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace EVAP control system pressure sensor.

10.

CHECK RUBBER TUBE FOR CLOGGING

1. Disconnect rubber tube connected to EVAP canister vent control valve.

2. Check the rubber tube for clogging.
Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Clean the rubber tube using an air blower.

11.

CHECK EVAP CANISTER VENT CONTROL VALVE

Refer to 

EC-278, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Replace EVAP canister vent control valve.

12.

CHECK EVAP PURGE LINE

Inspect EVAP purge line (pipe and rubber tube). Check for evidence of leaks.

Refer to 

EC-63, "System Diagram"

.

Is the inspection result normal?

YES

>> GO TO 13.

NO

>> Replace it.

13.

CLEAN EVAP PURGE LINE

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

>> GO TO 14.

14.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END