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![INFINITI FX35 2008 Service Manual
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-969
< SERVICE INFORMATION > [VK45DE]
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Diagnosis ProcedureINFOID:0000000001326814
1.CHECK GROUND CONNECTIONS
1. Turn ign INFINITI FX35 2008 Service Manual
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-969
< SERVICE INFORMATION > [VK45DE]
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Diagnosis ProcedureINFOID:0000000001326814
1.CHECK GROUND CONNECTIONS
1. Turn ign](/manual-img/42/57017/w960_57017-2208.png)
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-969
< SERVICE INFORMATION > [VK45DE]
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Diagnosis ProcedureINFOID:0000000001326814
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. Refer to EC-723, "
Ground Inspection".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
2.CHECK CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness connector.
3.CHECK EVAP CONTROL SYS TEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
TER- MI-
NAL
NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
32 OR EVAP control system pres-
sure sensor [Ignition switch: ON]
Approximately 1.8 - 4.8V
48 L Sensor power supply
(EVAP control system pres-
sure sensor) [Ignition switch: ON]
Approximately 5V
67 B/W Sensor ground [Engine is running]
Warm-up condition
Idle speed Approximately 0V
PBIB2195E
Water should not exist.
PBIB1522E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
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![INFINITI FX35 2008 Service Manual
EC-970
< SERVICE INFORMATION >[VK45DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CONSULT-III or tester.
OK INFINITI FX35 2008 Service Manual
EC-970
< SERVICE INFORMATION >[VK45DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CONSULT-III or tester.
OK](/manual-img/42/57017/w960_57017-2209.png)
EC-970
< SERVICE INFORMATION >[VK45DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
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 B201, M81
Harness connectors M82, F102
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 SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between EVAP control sy stem pressure sensor terminal 1 and ECM terminal
67.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors B201, M81
Harness connectors M82, F102
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 EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
1. Check harness continuity between ECM terminal 32 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 9.
NG >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors B201, M81
Harness connectors M82, F102 Voltage: Approximately 5V
PBIB0138E
Continuity should exist.
Continuity should exist.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
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![INFINITI FX35 2008 Service Manual
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-971
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Harness for open or short between EVAP c
ontrol system pressure sensor and ECM
INFINITI FX35 2008 Service Manual
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-971
< SERVICE INFORMATION > [VK45DE]
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Harness for open or short between EVAP c
ontrol system pressure sensor and ECM](/manual-img/42/57017/w960_57017-2210.png)
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-971
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Harness for open or short between EVAP c
ontrol system pressure sensor and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
9.CHECK RUBBER TUBE
1. Disconnect rubber tube connected to EV AP canister vent control valve.
2. Check the rubber tube for clogging.
OK or NG
OK >> GO TO 10.
NG >> Clean the rubber tube using an air blower, repair or replace rubber tube.
10.CHECK EVAP CANISTER VENT CONTROL VALVE
Refer to EC-949, "
Component Inspection".
OK or NG
OK >> GO TO 11.
NG >> Replace EVAP canister vent control valve.
11 .CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to EC-972, "
Component Inspection".
OK or NG
OK >> GO TO 12.
NG >> Replace EVAP control system pressure sensor.
12.CHECK IF EVAP CANISTER SATURATED WITH WATER
1. Remove EVAP canister with EVAP canister vent c ontrol valve and EVAP control system pressure sensor
attached.
2. Does water drain from the EVAP canister?
Ye s o r N o
Yes >> GO TO 13.
No >> GO TO 15.
13.CHECK EVAP CANISTER
Weigh the EVAP canister with the EV AP canister vent control valve and EVAP control system pressure sensor
attached.
The weight should be less than 2.1 kg (4.6 lb).
OK or NG
OK >> GO TO 15.
NG >> GO TO 14.
14.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.
15.CHECK INTERMITTENT INCIDENT
Refer to EC-717
.
>> INSPECTION END
PBIB1031E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
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![INFINITI FX35 2008 Service Manual
EC-972
< SERVICE INFORMATION >[VK45DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
Component Inspection
INFOID:0000000001326815
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pr INFINITI FX35 2008 Service Manual
EC-972
< SERVICE INFORMATION >[VK45DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
Component Inspection
INFOID:0000000001326815
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pr](/manual-img/42/57017/w960_57017-2211.png)
EC-972
< SERVICE INFORMATION >[VK45DE]
DTC P0453 EVAP CONTROL
SYSTEM PRESSURE SENSOR
Component Inspection
INFOID:0000000001326815
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pressure sensor wit h its harness connector 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 32 and ground under the following conditions.
CAUTION:
Always calibrate the vacuum pump gauge when using it.
Do not apply below -93.3 kPa (-0.952 kg/cm
2, -13.53 psi) or
pressure over 101.3 kPa (1.033 kg/cm
2, 14.69 psi).
4. If NG, replace EVAP control system pressure sensor.
Applied vacuum kPa
(kg/cm2, psi) Voltage V
Not applied 1.8 - 4.8
-26.7 (-0.272, -3.87) 2.1 to 2.5V lower than above value
PBIB1173E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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DTC P0455 EVAP CONTROL SYSTEMEC-973
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DTC P0455 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000001326816
This diagnosis detec INFINITI FX35 2008 Service Manual
DTC P0455 EVAP CONTROL SYSTEMEC-973
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DTC P0455 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000001326816
This diagnosis detec](/manual-img/42/57017/w960_57017-2212.png)
DTC P0455 EVAP CONTROL SYSTEMEC-973
< SERVICE INFORMATION > [VK45DE]
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DTC P0455 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000001326816
This diagnosis detects a very large leak (fuel filler cap
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 ProcedureINFOID:0000000001326817
CAUTION:
Never remove fuel filler cap duri ng the DTC Confirmation Procedure.
NOTE:
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 properly. 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
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
PBIB1026E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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EC-974
< SERVICE INFORMATION >[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.
If DTC Confirmation Pr INFINITI FX35 2008 Service Manual
EC-974
< SERVICE INFORMATION >[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.
If DTC Confirmation Pr](/manual-img/42/57017/w960_57017-2213.png)
EC-974
< SERVICE INFORMATION >[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Make sure that EVAP hoses 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 procedures.
WITH CONSULT-III
1. Tighten fuel filler cap secure ly until ratcheting 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 “EV APORATIVE SYSTEM” in “DTC WORK SUPPORT” mode
with CONSULT-III.
Follow the instruction displayed.
NOTE:
If the engine speed cannot be maintained within t he range displayed on the CONSULT-III screen, go to
EC-658, "
Basic Inspection".
7. Make sure that “OK” is displayed. If “NG” is displayed, select “SELF-DIAG RE SULTS” mode and make sure that “EVAP GROSS LEAK
[P0455]” is displayed. If it is displayed, refer to EC-974, "
Diagnosis Procedure".
If P0442 is displayed, perform Diagnostic Procedure for DTC P0442 EC-927, "
Diagnosis Procedure".
WITH GST
NOTE:
Be sure to read the explanation of EC-633, "
Emission-related Diagnostic Information" before driving vehicle.
1. Start engine.
2. Drive vehicle according to EC-633, "
Emission-related Diagnostic Information".
3. Stop vehicle.
4. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
5. Select “Service $07” with GST. If P0455 is displayed on the screen, go to EC-974, "
Diagnosis Procedure".
If P0442 is displayed on the screen, go to EC-927, "
Diagnosis Procedure".
If P0441 is displayed on the screen, go to EC-922, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001326818
1.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
Check that the cap is tightened proper ly by rotating the cap clockwise.
SEF915U
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DTC P0455 EVAP CONTROL SYSTEMEC-975
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OK or NG
OK >> GO TO 3.
NG >> 1. Open fuel filler cap, then clean cap and fuel filler neck threads INFINITI FX35 2008 Service Manual
DTC P0455 EVAP CONTROL SYSTEMEC-975
< SERVICE INFORMATION > [VK45DE]
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OK or NG
OK >> GO TO 3.
NG >> 1. Open fuel filler cap, then clean cap and fuel filler neck threads](/manual-img/42/57017/w960_57017-2214.png)
DTC P0455 EVAP CONTROL SYSTEMEC-975
< SERVICE INFORMATION > [VK45DE]
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OK or NG
OK >> GO TO 3.
NG >> 1. Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.
2. Retighten until ratcheting sound is heard.
3.CHECK FUEL FILLER CAP FUNCTION
Check for air releasing sound while opening the fuel filler cap.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.CHECK FUEL TANK VACUUM RELIEF VALVE
Refer to EC-620, "
Component Inspection".
OK or NG
OK >> GO TO 5.
NG >> 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-618, "
Description".
OK or NG
OK >> GO TO 6.
NG >> 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 EVAP CANISTER VENT CONTROL VALVE
Check the following.
EVAP canister vent control valve is installed properly. Refer to EC-622, "
Removal and Installation".
EVAP canister vent control valve.
Refer to EC-949, "
Component Inspection".
OK or NG
OK >> GO TO 8.
NG >> Repair or replace EVAP canister vent control valve and O-ring.
8.INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and pres-
sure pump to EVAP service port (2) securely.
EVAP canister purge volume control solenoid valve (1)
NOTE:
Improper installation of the EV AP service port adapter to the
EVAP service port may cause leaking.
PBIB3238E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
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![INFINITI FX35 2008 Service Manual
EC-976
< SERVICE INFORMATION >[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
With CONSULT-III>>GO TO 9.
Without CONSULT-III>>GO TO 10.
9.CHECK FOR EVAP LEAK
With CONSULT-III
1. Turn ignition switch ON.
2. INFINITI FX35 2008 Service Manual
EC-976
< SERVICE INFORMATION >[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
With CONSULT-III>>GO TO 9.
Without CONSULT-III>>GO TO 10.
9.CHECK FOR EVAP LEAK
With CONSULT-III
1. Turn ignition switch ON.
2.](/manual-img/42/57017/w960_57017-2215.png)
EC-976
< SERVICE INFORMATION >[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
With CONSULT-III>>GO TO 9.
Without CONSULT-III>>GO TO 10.
9.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 line until the pressure indicator reaches the middle of
the bar graph.
CAUTION:
Do not 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-618, "
Description".
OK or NG
OK >> GO TO 11.
NG >> Repair or replace.
10.CHECK FOR EVAP LEAK
Without CONSULT-III
1. Turn ignition switch OFF.
2. Apply 12 volts DC to EVAP canister vent control va lve. The valve will close. (Continue to apply 12 volts
until the end of test.)
3. Pressurize the EVAP line using pressure pump with 1.3 to 2.7 kPa (0.0133 to 0.028 kg/cm
2, 0.019 to
0.039 psi), then remove pump and EVAP service port adapter.
CAUTION:
Do not 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.
SEF916U
SEF200U
PBIB1522E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C