P0448 EVAP CANISTER VENT CONTROL VALVEEC-307
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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P0448 EVAP CANISTER VENT CONTROL VALVE
DTC LogicINFOID:0000000012431502
DTC DETECTION LOGIC
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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON and select “DATA MONITOR” mode of “ENGINE” using CONSULT.
4. Start engine and let it idle for at least 1 minute.
5. Repeat next procedures three times.
- Increase the engine speed up to 3,000 to 3,500 rpm and keep it for 2 minutes and 50 seconds to 3 min- utes.
Never exceed 3 minutes.
- Fully released accelerator pedal and keep engine idle for about 5 seconds.
6. Repeat next procedure 20 times.
- Quickly increase the engine speed up to 4,000 to 4,500 rpm or more and keep it for 25 to 30 seconds.
- Fully released accelerator pedal and keep engine idle for at least 35 seconds.
7. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?
YES >> Proceed to EC-307, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431503
1.CHECK RUBBER TUBE
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0448 VENT CONTROL VALVE
(EVAP canister vent control
valve close) EVAP canister vent control valve
remains closed under specified
driving conditions. • EVAP canister vent control valve
• EVAP control system pressure sensor and the circuit
• Blocked rubber tube to EVAP canister vent control
valve
• EVAP canister is saturated with water
PBIB0972E
Revision: August 2015 2016 Versa Note
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P0448 EVAP CANISTER VENT CONTROL VALVEEC-309
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Component InspectionINFOID:0000000012431504
1.CHECK EVAP CANISTER VENT CONTROL VALVE-I
1. Turn ignition switch OFF.
2. Remove EVAP canister vent c ontrol valve from EVAP canister.
3. Check portion (A) of EVAP canister vent control valve for being rusted.
Is it rusted?
YES >> Replace EVAP canister vent control valve. Refer to FL-
17, "Removal and Installation".
NO >> GO TO 2.
2.CHECK EVAP CANISTER VENT CONTROL VALVE-II
With CONSULT
1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform “VENT CONTROL/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
4. Check air passage continuity and operation delay time. Make sure new O-ring is installed properly.
Operation takes less than 1 second.
Without CONSULT
Check air passage continuity and operation delay time under the fol-
lowing conditions.
Make sure new O-ring is installed properly.
Operation takes less than 1 second.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace EVAP canister vent control valve. Refer to FL-17, "
Removal and Installation".
3.CHECK EVAP CANISTER VENT CONTROL VALVE-III
With CONSULT
1. Clean the air passage [portion (A) to (B)] of EVAP canister vent control valve using an air blower.
2. Perform “VENT CONTROL/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
JMBIA0168ZZ
VENT CONT/V condition Air passage continuity between (A) and (B)
ON Not existed
OFF Existed
Condition Air passage continuity between (A) and (B)
12 V direct current supply between
terminals (1) and (2) Not existed
OFF Existed
JMBIA0169ZZ
Revision: August 2015 2016 Versa Note
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P0451 EVAP CONTROL SYSTEM PRESSURE SENSOREC-311
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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P0451 EVAP CONTROL SYST
EM PRESSURE SENSOR
DTC LogicINFOID:0000000012431505
DTC DETECTION LOGIC
NOTE:
If DTC P0451 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-356, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
NOTE:
Never remove fuel filler cap du ring 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.
With CONSULT>>GO TO 2.
Without CONSULT>>GO TO 5.
2.PERFORM DTC CONFIRMATION PROCEDURE-1
With CONSULT
1. Start engine and let it idle for least 40 seconds.
NOTE:
Do not depress accelerator pedal even slightly.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-312, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. Select “EVAP DIAG READY” in “DATA MONITOR” mode of “ENGINE”.
2. Let it idle until “OFF” of “EVAP DIAG READY” changes to “ON”.
NOTE:
It will take at most 2 hours until “OFF” of “EVAP DIAG READY ” changes to “ON”.
3. Turn ignition switch OFF and wait at least 90 minutes.
NOTE:
Never turn ignition swit ch ON during 90 minutes.
4. Turn ignition switch ON.
5. Select “EVAP LEAK DIAG” in “DATA MONITOR” mode of “ENGINE”.
6. Check that “EVAP LEAK DIAG” indication.
Which is displayed on CONSULT?
CMPLT >> GO TO 4.
YET >> 1. Perform DTC CONF IRMATION PROCEDURE again.
2. GO TO 1.
4.PERFORM DTC CONFIRMATION PROCEDURE-3
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0451 EVAP SYS PRES SEN
(EVAP control system pressure
sensor performance) ECM detects a sloshing signal from
the EVAP control system pressure
sensor • Harness or connectors
(EVAP control system pressure sensor circuit is
shorted.)
• EVAP control system pressure sensor
Revision: August 2015 2016 Versa Note
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EC-312
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR
With CONSULT
Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-312, "Diagnosis Procedure".
NO >> INSPECTION END
5.PERFORM DTC CONFIRMATION PROCEDURE-4
With GST
1. Start engine and let it idle for least 40 seconds.
NOTE:
Do not depress accelerator pedal even slightly.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-312, "Diagnosis Procedure".
NO >> GO TO 6.
6.PERFORM DTC CONFIRMATION PROCEDURE-5
With GST
1. Let it idle for at least 2 hours.
2. Turn ignition switch OFF and wait at least 90 minutes. NOTE:
Never turn ignition switch ON during 90 minutes.
3. Turn ignition switch ON.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-312, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431506
1.CHECK EVAP CONTROL SYSTEM PRESS URE SENSOR CONNECTOR FOR WATER
1. Turn ignition switch OFF.
2. Disconnect EVAP control system pressure sensor harness connector.
3. Check sensor harness connector for water.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness connector.
2.CHECK EVAP CONTROL SYSTEM PR ESSURE SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check the voltage between EVAP control syst em pressure sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK EVAP CONTROL SY STEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP control system pressure sensor harness connector and ECM har- ness connector.
Water should not exist.
EVAP control system pressure sensor GroundVo l ta g e
(Approx.)
Connector Terminal
B3 3Ground 5 V
Revision: August 2015 2016 Versa Note
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P0452 EVAP CONTROL SYSTEM PRESSURE SENSOREC-315
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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P0452 EVAP CONTROL SYST
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DTC LogicINFOID:0000000012431508
DTC DETECTION LOGIC
NOTE:
If DTC P0451 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-356, "
DTC Logic".
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.
TESTING CONDITION:
Always perform test at a temperature of 5 °C (41° F) or more.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
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. Select “DATA MONITOR” mode of “ENGINE” using CONSULT.
5. Make sure that “FUEL T/TMP SE” indication is more than 0 °C (32 °F).
6. Start engine and wait at least 20 seconds.
7. Check 1st trip DTC.
With GST
1. Start engine and warm it up to normal operating temperature.
2. Set voltmeter probes to ECM harness connector terminals as per the following.
3. Make sure that the voltage is less than 4.2 V.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and wait at least 20 seconds.
6. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-315, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431509
1.CHECK EVAP CONTROL SYS TEM PRESSURE SENSOR CONNECTOR FOR WATER
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0452 EVAP SYS PRES SEN
(EVAP control system pressure
sensor low input) An excessively low voltage from the sensor
is sent to ECM. • Harness or connectors
(EVAP control system pressure sensor
circuit is shorted.)
• EVAP control system pressure sensor
ECM
Vo l ta g e
Connector +
−
Te r m i n a l
F11 4368 Less than 4.2 V
Revision: August 2015 2016 Versa Note
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EC-318
< DTC/CIRCUIT DIAGNOSIS >[HR16DE]
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
DTC LogicINFOID:0000000012431511
DTC DETECTION LOGIC
NOTE:
If DTC P0451 is displayed with DTC P0643, first pe
rform the trouble diagnosis for DTC P0643. Refer to
EC-356, "
DTC Logic".
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.
TESTING CONDITION:
Always perform test at a temperature of 5 °C (41 °F) or more.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
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. Select “DATA MONITOR” mode of “ENGINE” using CONSULT.
5. Make sure that “FUEL T/TMP SE” indication is more than 0 °C (32° F).
6. Start engine and wait at least 20 seconds.
7. Check 1st trip DTC.
With GST
1. Start engine and warm it up to normal operating temperature.
2. Set voltmeter probes to ECM harness connector terminals as per the following.
3. Make sure that the voltage is less than 4.2 V.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and wait at least 20 seconds.
6. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-318, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431512
1.CHECK EVAP CONTROL SYSTEM PRESS URE SENSOR CONNECTOR FOR WATER
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
Possible cause
P0453 EVAP SYS PRES SEN
(EVAP control system pressure
sensor high input) An excessively high voltage from the sensor
is sent to ECM. • Harness or connectors
(EVAP control system pressure sensor
circuit is shorted.)
• EVAP control system pressure sensor
ECM
Vo l ta g e
Connector +
−
Terminal
F11 43 68Less than 4.2 V
Revision: August 2015 2016 Versa Note
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P0456 EVAP CONTROL SYSTEMEC-323
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.
Do you have CONSULT?
YES >> GO TO 2.
NO >> GO TO 4.
2.PERFORM DTC CONFIRMATION PROCEDURE-I
WITH CONSULT
1. Turn ignition switch ON and select “EVAP DIAG RE ADY” in “DATA MONITOR” mode of “ENGINE” using
CONSULT.
2. Start engine and wait at idle until “OFF” of “EVAP DIAG READY” changes to “ON”. NOTE:
It will take at most 2 hours until “OFF” of “EVAP DIAG READY ” changes to “ON”.
3. Turn ignition switch OFF and wait at least 90 minutes. NOTE:
Never turn ignition swit ch ON during 90 minutes.
4. Turn ignition switch ON and select “EVAP LEAK DIAG” in “DATA MONITOR” mode of “ENGINE” using CONSULT.
5. Check that “EVAP LEAK DIAG” indication.
Which is displayed on CONSULT?
CMPLT >> GO TO 3.
YET >> Perform DTC CONFIRMATION PROCEDURE again. GO TO 1.
3.PERFORM DTC CONFIRMATION PROCEDURE-II
Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-323, "Diagnosis Procedure".
NO >> INSPECTION END.
4.PERFORM DTC CONFIRMATION PROCEDURE
WITH GST
1. Start engine and wait engine idle for at least 2 hours.
2. Turn ignition switch OFF and wait at least 90 minutes. NOTE:
Never turn ignition swit ch ON during 90 minutes.
3. Turn ignition switch ON.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-323, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000012431515
1.CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
Revision: August 2015 2016 Versa Note
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P0456 EVAP CONTROL SYSTEMEC-325
< DTC/CIRCUIT DIAGNOSIS > [HR16DE]
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1. Remove EVAP canister (1) wit
h EVAP canister vent control
valve (2) and EVAP control syst em pressure sensor attached.
2. Check if water will drain from the EVAP canister.
Does water drain from EVAP canister?
YES >> GO TO 8.
NO-1 >> With CONSULT: GO TO 10.
NO-2 >> Without CONSULT: GO TO 11.
8.CHECK EVAP CANISTER
Weigh the EVAP canister assembly with the EVAP canist er vent control valve and EVAP control system pres-
sure sensor attached. Refer to FL-17, "
Removal and Installation".
The weight should be less than 1.6 kg (3.5 lb).
Is the inspection result normal?
YES-1 >> With CONSULT: GO TO 10.
YES-2 >> Without CONSULT: GO TO 11.
NO >> GO TO 9.
9.DETECT MALFUNCTIONING PART
Check the following.
• EVAP canister for damage
• EVAP hose between EVAP canister and vehi cle frame for clogging or poor connection
>> Repair hose or replace EVAP canister. Refer to FL-14, "
Removal and Installation".
10.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT
1. Disconnect vacuum hose to EVAP canister purge volu me control solenoid valve at EVAP service port.
2. Start engine and let it idle.
3. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
4. Touch “Qu” on CONSULT screen to in crease “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 to EVAP canister purge volu me 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 13.
NO >> GO TO 12.
12.CHECK VACUUM HOSE
Check vacuum hoses for clogging or disconnection. Refer to FL-14, "
Exploded View".
Is the inspection result normal?
PBIB2731E
Vacuum should exist.
Vacuum should exist.
Revision: August 2015 2016 Versa Note
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