2014 NISSAN TEANA ignition

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOREC-853
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P0453 EVAP CONTROL SYST
EM PRESSURE SENSOR
DTC LogicINFOID:0000000009462701
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, 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.
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. Turn ignition switch OFF and wait at least 10 seconds.
5. Turn ignition switch ON.
6. Select “DATA MONITOR” mode with CONSULT.
7. Check that “FUEL T/TM P SE” is more than 0°C (32 °F).
8. Start engine and wait at least 20 seconds.
9. 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.
3. Check that the voltage is less than 4.2 V.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Turn ignition switch ON.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0453 EVAP control system
pressure sensor high in-
put An excessively high voltage from the sensor is
sent to ECM. • Harness or connectors
(The sensor circuit is open or shorted.)
[CKP sensor (POS) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(Refrigerant pressure sensor circuit is
shorted.)
• EVAP control system pressure sensor
• Crankshaft position sensor (POS)
• Accelerator pedal position sensor
• Refrigerant pressure sensor
• EVAP canister vent control valve
• EVAP canister
• Rubber hose from EVAP canister vent
control valve to vehicle frame
• Sensor power supply 2 circuit
ECM
Connector +–
Te r m i n a l
E 3 2 111 1 2 0
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-854
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
6. Turn ignition switch OFF and wait at least 10 seconds.
7. Start engine and wait at least 20 seconds.
8. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-854, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462702
1.CHECK CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check that water is not inside connectors.
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 5.
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.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit.
4.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power supply 2 circuit. Refer to EC-981, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
5.CHECK EVAP CONTROL SYSTEM PR ESSURE SENSOR GROUND 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.
EVAP control system pressure sensor Ground Voltage (V)
Connector Terminal
B41 3 Ground Approx. 5
EVAP control system pressure sensor ECM Continuity
Connector Terminal Connector Terminal
B41 3 E32 107 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-856
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
11 .CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor
attached.
The weight should be less than 2.1 kg (4.6 lb).
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
• EVAP canister for damage
• EVAP hose between EVAP canister and vehicle frame for clogging or poor connection
>> Repair hose or replace EVAP canister. Refer to FL-14, "Removal and Installation"
.
Component InspectionINFOID:0000000009462703
1.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Turn ignition switch OFF.
2. Remove EVAP control system pressure sensor with its harness connector. Refer to FL-18, "Removal and
Installation".
Always replace O-ring with a new one.
3. Install a vacuum pump to EVAP control system pressure sensor.
4. Turn ignition switch ON and check output volt age between ECM terminals under the following conditions.
CAUTION:
• Always calibrate the vacuum pump gauge when using it.
• Never apply below -93.3 kPa (-0.952 kg/cm
2, -13.53 psi) or pressure over 101.3 kPa (1.033 kg/cm2,
14.69 psi).
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace EVAP control system pressure sensor. Refer to FL-18, "Removal and Installation"
.
ECM
Applied vacuum kPa
(kg/cm
2, psi) Voltag e
Connector +–
Te r m i n a l Te r m i n a l
E32 102 112 Not applied 1.8 - 4.8 V
-26.7 (-0.272, -3.87) 2.1 to 2.5 V lower than
above value
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0456 EVAP CONTROL SYSTEMEC-857
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P0456 EVAP CONTROL SYSTEM
DTC LogicINFOID:0000000009462704
DTC DETECTION LOGIC
This diagnosis detects leaks in the EVAP line between fuel
tank and EVAP canister purge volume control sole-
noid valve, using the negative pressure caused by decrease of fuel temperature in the fuel tank after turning
ignition switch OFF.
If ECM judges there are no leaks, the diagnosis will be OK.
CAUTION:
• Use only a genuine NISSAN fuel filler cap as a replacemen t. If an incorrect fuel filler cap is used, the
MIL may come on.
• If the fuel filler cap is not tigh tened properly, the MIL may come on.
• Use only a genuine NISSAN rubber tube as a replacement.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
PBIB1026E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0456 Evaporative emission
control system leak • EVAP system has a
leak.
• EVAP system does not operate properly. • Incorrect fuel tank vacuum relief valve
• Incorrect fuel filler cap used
• Fuel filler cap remains open or fails to close.
• Foreign matter caught in fuel filler cap.
• Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve.
• Foreign matter caught in EVAP canister vent control valve.
• EVAP canister or fuel tank leaks
• EVAP purge line (pipe and rubber tube) leaks
• EVAP purge line rubber tube bent
• Loose or disconnected rubber tube
• EVAP canister vent control valve and the circuit
• EVAP canister purge volume control solenoid valve and the circuit
• Fuel tank temperature sensor
• O-ring of EVAP canister vent control valve is missing or damaged
• EVAP canister is saturated with water
• EVAP control system pressure sensor
• Refueling EVAP vapor cut valve
• ORVR system leaks
• Fuel level sensor and the circuit
• Foreign matter caught in EVAP canister purge volume control so- lenoid valve
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-858
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0456 EVAP CONTROL SYSTEM
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 READY” in “DATA MONITOR” mode with 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 with CONSULT.
5. Check that “EVAP LE AK 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 >> Go to EC-858, "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 >> Go to EC-858, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis ProcedureINFOID:0000000009462705
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.
SEF915U
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0456 EVAP CONTROL SYSTEMEC-861
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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NO >> Replace EVAP control system pressure sensor.
16.CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks or improper connection.
Refer to EC-580, "EVAPORATIVE EMISSION SYSTEM : System Description"
.
Is the inspection result normal?
YES >> GO TO 17.
NO >> Repair or reconnect the hose.
17.CLEAN EVAP PURGE LINE
Clean EVAP purge line (pipe and rubber tube) using air blower.
>> GO TO 18.
18.CHECK EVAP/ORVR LINE
Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kink, looseness and improper con-
nection. For location, refer to EC-564, "On Board Refueling Vapor Recovery (ORVR)"
.
Is the inspection result normal?
YES >> GO TO 19.
NO >> Repair or replace hoses and tubes.
19.CHECK RECIRCULATION LINE
Check recirculation line between fuel filler tube and fuel tank for clogging, kink, cracks, looseness and
improper connection.
Is the inspection result normal?
YES >> GO TO 20.
NO >> Repair or replace hose, tube or fuel filler tube.
20.CHECK REFUELING EVAP VAPOR CUT VALVE
Refer to EC-976, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 21.
NO >> Replace refueling EVAP vapor cut valve with fuel tank.
21.CHECK FUEL LEVEL SENSOR
Refer to MWI-62, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 22.
NO >> Replace fuel level sensor unit.
22.CHECK INTERMITTENT INCIDENT
Refer to GI-43, "Intermittent Incident"
.
>> INSPECTION END
Component InspectionINFOID:0000000009462706
1.CHECK FUEL FILLER CAP
1. Turn ignition switch OFF.
2. Remove fuel filler cap. Refer to FL-10, "Exploded View"
.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0460 FUEL LEVEL SENSOREC-863
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P0460 FUEL LEVEL SENSOR
DTC LogicINFOID:0000000009462707
DTC DETECTION LOGIC
NOTE:
• If DTC P0460 is displayed with DTC UXXXX, first perform the tr ouble diagnosis for DTC UXXXX.
• If DTC P0460 is displayed with DT C P0607, first perform the trouble diagnosis for DTC P0607. Refer
to EC-884, "DTC Logic"
.
When the vehicle is parked, the fuel level in the fuel tank is naturally stable. It means that output signal of the
fuel level sensor does not change. If ECM senses sloshi ng signal from the sensor, fuel level sensor malfunc-
tion is detected.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, 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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and wait maximum of 2 consecutive minutes.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-863, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462708
1.CHECK COMBINATION METER FUNCTION
Check combination meter function. Refer to MWI-18, "CONSULT Function (METER/M&A)"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Proceed to MWI-61, "Diagnosis Procedure"
.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0460 Fuel level sensor circuit
noise Even though the vehicle is parked, a signal be-
ing varied is sent from the fuel level sensor to
ECM. • Harness or connectors
(The CAN communication line is open or
shorted)
• Harness or connectors (The sensor circuit is open or shorted)
• Combination meter
• Fuel level sensor
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-864
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0461 FUEL LEVEL SENSOR
P0461 FUEL LEVEL SENSOR
DTC LogicINFOID:0000000009462709
DTC DETECTION LOGIC
NOTE:
• If DTC P0461 is displayed with DTC UXXXX, first perform the tr ouble diagnosis for DTC UXXXX.
• If DTC P0461 is displayed with DTC P0607, first pe rform the trouble diagnosis for DTC P0607. Refer
to EC-884, "DTC Logic"
.
Driving long distances naturally affect fuel gauge level.
This diagnosis detects the fuel gauge malfunction of the gauge not moving even after a long distance has
been driven.
DTC CONFIRMATION PROCEDURE
1.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to EC-864, "Component Function Check"
.
Use component function check to check th e overall function of the fuel level sensor. During this check, a 1st
trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-865, "Diagnosis Procedure"
.
Component Function CheckINFOID:0000000009462710
1.PRECONDITIONING
WARNING:
When performing the following procedure, always observe the hand ling of the fuel. Refer to FL-6,
"Exploded View".
TESTING CONDITION:
Before starting component function check, preparation of draining fuel and refilling fuel is required.
Will CONSULT be used?
YES >> GO TO 2.
NO >> GO TO 3.
2.PERFORM COMPONENT FUNCTION CHECK
With CONSULT
NOTE:
Start from step 10, if it is possibl e to confirm that the fuel cannot be drained by 30 (7-7/8 US gal, 6-5/
8 Imp gal) in advance.
1. Prepare a fuel container and a spare hose.
2. Release fuel pressure from fuel line, refer to EC-994, "Work Procedure"
.
3. Remove the fuel feed hose on the fuel level sensor unit.
4. Connect a spare fuel hose where the fuel feed hose was removed.
5. Turn ignition switch OFF and wait at least 10 seconds then turn ON.
6. Select “FUEL LEVEL SE” in “D ATA MONITOR” mode with CONSULT.
7. Check “FUEL LEVEL SE” output voltage and note it.
8. Select “FUEL PUMP RELAY” in “ACTIVE TEST” mode with CONSULT.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0461 Fuel level sensor circuit
range/performance The output signal of the fuel level sensor does
not change within the specified range even
though the vehicle has been driven a long dis-
tance. • Harness or connectors
(The CAN communication line is open or
shorted)
• Harness or connectors (The sensor circuit is open or shorted)
• Combination meter
• Fuel level sensor
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM