Page 2489 of 4731
EC-1096
[VK45DE]
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 July 2005 FX
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 SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between EVAP control system pressure sensor terminal 3 and ground with CONSULT-II 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.
Water should not exist.
PBIB1522E
Voltage: Approximately 5V
PBIB0138E
Page 2490 of 4731
![INFINITI FX35 2005 Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-1097
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN INFINITI FX35 2005 Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-1097
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN](/manual-img/42/57020/w960_57020-2489.png)
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-1097
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
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 system 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
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.
9. CHECK RUBBER TUBE
1. Disconnect rubber tube connected to EVAP 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. Continuity should exist.
Continuity should exist.
Page 2491 of 4731
![INFINITI FX35 2005 Service Manual EC-1098
[VK45DE]
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 July 2005 FX
10. CHECK EVAP CANISTER VENT CONTROL VALVE
Refer to EC-1081, "
Component Inspection" .
OK or NG
OK >> GO INFINITI FX35 2005 Service Manual EC-1098
[VK45DE]
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 July 2005 FX
10. CHECK EVAP CANISTER VENT CONTROL VALVE
Refer to EC-1081, "
Component Inspection" .
OK or NG
OK >> GO](/manual-img/42/57020/w960_57020-2490.png)
EC-1098
[VK45DE]
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 July 2005 FX
10. CHECK EVAP CANISTER VENT CONTROL VALVE
Refer to EC-1081, "
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-1099, "
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 control valve and EVAP control system pressure sensor attached.
2. Check if water will 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 EVAP 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 vehicle frame for clogging or poor connection
>> Repair hose or replace EVAP canister.
15. CHECK INTERMITTENT INCIDENT
Refer to EC-854, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
PBIB1031E
Page 2492 of 4731
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-1099
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Component InspectionABS007OW
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pressure sensor with 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 (-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
PBIB1173E
Page 2493 of 4731
![INFINITI FX35 2005 Service Manual EC-1100
[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
DTC P0455 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicABS007OX
This diagnosis detects a very large leak (fuel filler INFINITI FX35 2005 Service Manual EC-1100
[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
DTC P0455 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicABS007OX
This diagnosis detects a very large leak (fuel filler](/manual-img/42/57020/w960_57020-2492.png)
EC-1100
[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
DTC P0455 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicABS007OX
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 replacement. If an incorrect fuel filler cap is used,
the MIL may come on.
If the fuel filler cap is not tightened properly, the MIL may come on.
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 sys-
tem 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
solenoid 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
Page 2494 of 4731
![INFINITI FX35 2005 Service Manual DTC P0455 EVAP CONTROL SYSTEM EC-1101
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Use only a genuine NISSAN rubber tube as a replacement.
DTC Confirmation ProcedureAB INFINITI FX35 2005 Service Manual DTC P0455 EVAP CONTROL SYSTEM EC-1101
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Use only a genuine NISSAN rubber tube as a replacement.
DTC Confirmation ProcedureAB](/manual-img/42/57020/w960_57020-2493.png)
DTC P0455 EVAP CONTROL SYSTEM EC-1101
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
Use only a genuine NISSAN rubber tube as a replacement.
DTC Confirmation ProcedureABS007OY
CAUTION:
Never remove fuel filler cap during the DTC Confirmation Procedure.
NOTE:
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.
If DTC Confirmation Procedure has been previously conducted, 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-II
1. Tighten fuel filler cap securely 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-II.
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 “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode with CONSULT-II.
Follow the instruction displayed.
NOTE:
If the engine speed cannot be maintained within the range displayed on the CONSULT-II screen, go to
EC-769, "
Basic Inspection" .
7. Make sure that “OK” is displayed. If “NG” is displayed, select “SELF-DIAG RESULTS” mode and
make sure that “EVAP GROSS LEAK [P0455]” is displayed. If it
is displayed, refer to EC-1102, "
Diagnostic Procedure" .
If P0442 is displayed, perform Diagnostic Procedure for DTC
P0442 EC-1063, "
Diagnostic Procedure" .
PBIB0829E
SEC763C
Page 2495 of 4731
![INFINITI FX35 2005 Service Manual EC-1102
[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
WITH GST
NOTE:
Be sure to read the explanation of EC-756, "
Driving Pattern" before driving vehicle.
1. Start engine.
2 INFINITI FX35 2005 Service Manual EC-1102
[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
WITH GST
NOTE:
Be sure to read the explanation of EC-756, "
Driving Pattern" before driving vehicle.
1. Start engine.
2](/manual-img/42/57020/w960_57020-2494.png)
EC-1102
[VK45DE]
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
WITH GST
NOTE:
Be sure to read the explanation of EC-756, "
Driving Pattern" before driving vehicle.
1. Start engine.
2. Drive vehicle according to EC-756, "
Driving Pattern" .
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-1102, "Diagnostic Procedure" .
If P0442 is displayed on the screen, go to EC-1063, "Diagnostic Procedure" .
If P0441 is displayed on the screen, go to EC-1058, "Diagnostic Procedure" .
Diagnostic ProcedureABS007OZ
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 properly by rotating the cap clockwise.
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-733, "
FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FULLER CAP)" .
OK or NG
OK >> GO TO 5.
NG >> Replace fuel filler cap with a genuine one.
SEF915U
Page 2496 of 4731
![INFINITI FX35 2005 Service Manual DTC P0455 EVAP CONTROL SYSTEM EC-1103
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVA INFINITI FX35 2005 Service Manual DTC P0455 EVAP CONTROL SYSTEM EC-1103
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
5. CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVA](/manual-img/42/57020/w960_57020-2495.png)
DTC P0455 EVAP CONTROL SYSTEM EC-1103
[VK45DE]
C
D E
F
G H
I
J
K L
M A
EC
Revision: 2005 July 2005 FX
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-731, "
EVAPORATIVE EMISSION LINE DRAWING" .
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-734, "
Removal and Installation" .
EVAP canister vent control valve.
Refer to EC-1081, "
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 securely.
NOTE:
Improper installation of the EVAP service port adapter to the
EVAP service port may cause leaking.
With CONSULT-II>>GO TO 9.
Without CONSULT-II>>GO TO 10.
PBIB1479E
SEF916U