2009 NISSAN LATIO service

EC-1362< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
1. Disconnect EVAP control system pressure sensor (1) harness connector.
- EVAP canister (2)
- EVAP canister vent control valve (3)
2. Check sensor harness connector for water.
OK or NG OK >> GO TO 3.
NG >> Repair or replace harness connector. 3.
CHECK EVAP CONTROL SYST EM PRESSURE SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch ON.
2. Check voltage between EVAP control system pressure sensor terminal 3 and ground with CONSULT-III or tester.
OK or NG OK >> GO TO 5.
NG >> GO TO 4. 4.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors. 5.
CHECK EVAP CONTROL SYST EM PRESSURE SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control sy stem pressure sensor terminal 3 and ECM terminal
76.
OK or NG OK >> GO TO 7.
NG >> GO TO 6. 6.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors. 7.
CHECK COMPONENTS POWER SUPPLY
Check harness for short to power and short to ground, between the following terminals. Water should not exist. BBIA0693E
Voltage: Approximately 5V
PBIB0138E
Continuity should exist.

EC-1364< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
1. Check harness continuity between ECM terminal 42 and EVAP control system pressure sensor terminal
2. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG OK >> GO TO 15.
NG >> GO TO 14. 14.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness connectors M69, E7
• Harness connectors B102, M13
• Harness for open or short between ECM and EV AP control system pressure sensor
>> Repair open circuit or short to ground or short to power in harness or connectors. 15.
CHECK RUBBER TUBE
1. Disconnect rubber tube connected to EV AP canister vent control valve.
2. Check the rubber tube for clogging, vent and kinked.
OK or NG OK >> GO TO 16.
NG >> Clean the rubber tube using an air blower, repair or replace rubber tube. 16.
CHECK EVAP CANISTER VENT CONTROL VALVE
Refer to EC-1340, " Component Inspection " .
OK or NG OK >> GO TO 17.
NG >> Replace EVAP canister vent control valve. 17.
CHECK EVAP CONTROL SYS TEM PRESSURE SENSOR
Refer to EC-1350, " Component Inspection " .
OK or NG OK >> GO TO 18.
NG >> Replace EVAP control system pressure sensor. 18.
CHECK DRAIN FILTER
Refer to EC-1314, " Component Inspection " .
OK or NG OK >> GO TO 19.
NG >> Replace drain filter. 19.
CHECK IF EVAP CANISTER SATURATED WITH WATER
1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor
attached.
2. Does water drain from the EVAP canister?
Yes or No Yes >> GO TO 20.
No >> GO TO 22. Continuity should exist.
PBIB1213E

DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
EC-1365
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
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M A EC
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O 20.
CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sen-
sorattached.
The weight should be less than 1.9 kg (4.2 lb).
OK or NG OK >> GO TO 22.
NG >> GO TO 21. 21.
DETECT MALFUNCTIONING PART
Check the following.
• EVAP canister for damage
• EVAP hose connected to EVAP canister for clogging or poor connection
>> Repair hose or replace EVAP canister. 22.
CHECK INTERMITTENT INCIDENT
Refer to EC-1138 .
>> INSPECTION END
Component Inspection INFOID:0000000004501198
EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Remove EVAP control system pr essure sensor with its harness connec tor connected from EVAP canister.
Always replace O-ring with a new one.
2. Install a vacuum pump to EVAP control system pressure sensor.
3. Turn ignition switch ON and check output voltage between ECM terminal 42 (EVAP control system pressure sensor signal) and
ground under the following conditions.
CAUTION:
• Always calibrate the vacuum pu mp gauge when using it.
• Do not apply below -93.3 kP a (-700 mmHg, -27.56 inHg) or
pressure over 101.3 kPa (760 mmHg, 29.92 inHg).
4. If NG, replace EVAP control system pressure sensor. Applied vacuum kPa
(mmHg, inHg) Voltage V
Not applied 1.8 - 4.8
-26.7 (-200, -7.87) 2.1 to 2.5V lower than above value PBIB3314E

EC-1366< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0455 EVAP CONTROL SYSTEM
DTC P0455 EVAP CONTROL SYSTEM
On Board Diagn osis Logic INFOID:0000000004500228
This diagnosis detects a very large leak (fuel filler c ap fell off etc.) in EVAP system between the fuel tank and
EVAP canister purge volume control solenoid valve.
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 INFOID:0000000004500229
CAUTION:
Never remove fuel filler cap during the DTC Confirmation Procedure.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0455
0455 EVAP control system
gross leak detected • EVAP control system has a very large leak
such as fuel filler cap fell off.
• EVAP control system does not operate prop- erly. • Fuel filler cap remains open or fails to
close.
• Incorrect fuel tank vacuum relief valve
• Incorrect fuel filler cap used
• 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
• Drain filter
• EVAP canister purge volume control so-
lenoid valve and the circuit
• Fuel tank temperature sensor
• O-ring of EVAP canister vent control
valve is missing or damaged.
• EVAP control system pressure sensor
• Refueling EVAP vapor cut valve
• ORVR system leaks PBIB3640E

DTC P0455 EVAP CONTROL SYSTEM
EC-1367
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
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M A EC
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NOTE:
• Make sure that EVAP hose are connected to EVAP canister purge volume control solenoid valve
properly.
• If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
• Perform “DTC WORK SUPPORT” when the fuel level is between 1/4 and 3/4 full, and vehicle is placed
on flat level surface.
• Open engine hood before conducting the following procedure.
WITH CONSULT-III
1. Tighten fuel filler cap securely until reteaching sound is heard.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
5. Make sure that the following conditions are met. COOLAN TEMP/S: 0 - 70 °C (32 - 158 °F)
INT/A TEMP SE: 0 - 60 °C (32 - 140 °F)
6. Select “EVAP SML LEAK P0442/P1442” of “EVAPORA TIVE SYSTEM” in “DTC WORK SUPPORT” mode
with CONSULT-III.
Follow the instruction displayed.
NOTE:
If the engine speed cannot be maintained within the range displayed on the CONSULT-III screen, go to
EC-1078, " Basic Inspection " .
7. Make sure that “OK” is displayed. If “NG” is displayed, select “SELF-DIAG RESULT S” mode with CONSULT-III and make sure that “EVAP
GROSS LEAK [P0455]” is displayed. If it is displayed, refer to EC-1367, " Diagnosis Procedure " .
If P0442 is displayed, perform Diagnostic Procedure for DTC P0442, EC-1316, " Diagnosis Procedure " .
WITH GST
NOTE:
Be sure to read the explanation of Driving Pattern on EC-1052, " Emission-related Diagnostic Information "
before driving vehicle.
1. Start engine.
2. Drive vehicle according to Driving Pattern, EC-1052, " Emission-related Diagnostic Information " .
3. Stop vehicle.
4. Turn ignition switch OFF, wait at least 10 seconds and then turn ignition switch ON.
5. Select Service $07 with GST.
• If P0441 is displayed on the screen, go to EC-1311, " Diagnosis Procedure " for DTC P0441.
• If P0442 is displayed on the screen, go to EC-1316, " Diagnosis Procedure " for DTC P0442.
• If P0455 is displayed on the screen, go to EC-1367, " Diagnosis Procedure " .
Diagnosis Procedure INFOID:00000000045002301.
CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel filler cap design.
OK or NG OK >> GO TO 2.
NG >> Replace with genuine NISSAN fuel filler cap. 2.
CHECK FUEL FILLER CAP INSTALLATION SEF915U

DTC P0455 EVAP CONTROL SYSTEM
EC-1369
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
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J
K L
M A EC
NP
O
• : Vehicle front
NOTE:
Improper installation of the EV AP service port adapter to the
EVAP service port may cause leaking.
With CONSULT-III>>GO TO 10.
Without CONSULT-III>>GO TO 11. 10.
CHECK FOR EVAP LEAK
With CONSULT-III
1. Turn ignition switch ON.
2. Select “EVAP SYSTEM CLOSE” of “WORK SUPPORT” mode with CONSULT-III.
3. Touch “START” and apply pressure into the EVAP li ne until the pressure indicator reaches the middle of
the bar graph.
CAUTION:
• Never use compressed air or a high pressure pump.
• Do not exceed 4.12 kPa (0.042 kg/cm 2
, 0.6 psi) of pressure in the system.
4. Using EVAP leak detector, locate the EVAP leak. For the leak detector, refer to the instruction manual for more details.
Refer to EC-1036, " Description " .
OK or NG OK >> GO TO 12.
NG >> Repair or replace. 11.
CHECK FOR EVAP LEAK
Without CONSULT-III
1. Turn ignition switch OFF. BBIA0703E
SEF916U
SEF200U

EC-1370< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0455 EVAP CONTROL SYSTEM
2. Apply 12 volts DC to EVAP canister vent control valve (3). The valve will close. (Continue to appl y 12 volts until the end of test.)
- EVAP control system pressure sensor (1)
- EVAP canister (2)
3. Pressurize the EVAP line using pressure pump with 1.3 to 2.7 kPa (10 to 20 mmHg, 0.39 to 0.79 inHg),
then remove pump and EVAP service port adapter.
CAUTION:
• Never use compressed air or a high pressure pump.
• Do not exceed 4.12 kPa (0.042 kg/cm 2
, 0.6 psi) of pressure in the system.
4. Using EVAP leak detector, locate the EVAP leak. For the leak detector, refer to the instruction manual for more details.
Refer to EC-1036, " Description " .
OK or NG OK >> GO TO 13.
NG >> Repair or replace. 12.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT-III
1. Disconnect vacuum hose to EVAP canister purge volu me 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-III screen to increase “PURG VOL CONT/V” opening to 100%.
5. Check vacuum hose for vacuum.
OK or NG OK >> GO TO 15.
NG >> GO TO 14. 13.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONSULT-III
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.
OK or NG OK >> GO TO 16.
NG >> GO TO 14. 14.
CHECK VACUUM HOSE BBIA0693E
SEF200U
Vacuum should exist.
Vacuum should exist.

EC-1372< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0455 EVAP CONTROL SYSTEM
>> INSPECTION END
Component Inspection INFOID:0000000004535234
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 t hat 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. PBIB3641E