Nissan Murano Z50 (2005 year). Manual — part 100
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-355
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Revision: 2005 August
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DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
PFP:25085
Component Description
ABS004HB
The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the
ECM increases as pressure increases.
CONSULT-II Reference Value in Data Monitor Mode
ABS004HC
Specification data are reference values.
On Board Diagnosis Logic
ABS004HD
NOTE:
If DTC P0453 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to
.
PBIB1365E
PBIB1207E
MONITOR ITEM
CONDITION
SPECIFICATION
EVAP SYS PRES
●
Ignition switch: ON
Approx. 1.8 - 4.8V
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0453
0453
EVAP control system
pressure sensor high
input
An excessively high voltage from the sensor is
sent to ECM.
●
Harness or connectors
(The sensor circuit is open or shorted.)
●
EVAP control system pressure sensor
●
EVAP canister vent control valve
●
EVAP canister
●
Rubber hose from EVAP canister vent
control valve to vehicle frame
EC-356
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 August
2005 Murano
DTC Confirmation Procedure
ABS004HE
NOTE:
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:
Always perform test at a temperature of 5
°
C (41
°
F) or more.
WITH CONSULT-II
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 with CONSULT-II.
5.
Make sure that “FUEL T/TMP SE” is more than 0
°
C (32
°
F).
6.
Start engine and wait at least 10 seconds.
7.
If 1st trip DTC is detected, go to
EC-358, "Diagnostic Procedure"
.
WITH GST
1.
Start engine and warm it up to normal operating temperature.
2.
Check that voltage between ECM terminal 107 (Fuel tank tem-
perature sensor signal) and ground is less than 4.2V.
3.
Turn ignition switch OFF and wait at least 10 seconds.
4.
Start engine and wait at least 10 seconds.
5.
Select Service $07 with GST.
If 1st trip DTC is detected, go to
EC-358, "Diagnostic Procedure"
.
SEF194Y
PBIB1110E
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-357
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Wiring Diagram
ABS004HF
TBWB0276E
EC-358
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 August
2005 Murano
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
ABS004HG
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten two ground screws on the body.
Refer to
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.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
32
BR
EVAP control system pres-
sure sensor
[Ignition switch: ON]
Approximately 1.8 - 4.8V
48
G/O
Sensor power supply
(EVAP control system pres-
sure sensor)
[Ignition switch: ON]
Approximately 5V
67
B
Sensor ground
[Engine is running]
●
Warm-up condition
●
Idle speed
Approximately 0V
PBIB1835E
Water should not exist.
PBIB1365E
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-359
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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 B2, M9
●
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 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 B2, M9
●
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.
Voltage: Approximately 5V
PBIB0138E
Continuity should exist.
EC-360
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 August
2005 Murano
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 B2, M9
●
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, vent and kinked.
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-344, "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-362, "Component Inspection"
OK or NG
OK
>> GO TO 12.
NG
>> Replace EVAP control system pressure sensor.
Continuity should exist.
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-361
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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.
Yes or No
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-157, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
>> INSPECTION END
PBIB1381E
EC-362
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Revision: 2005 August
2005 Murano
Component Inspection
ABS004HH
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
DTC P0455 EVAP CONTROL SYSTEM
EC-363
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Revision: 2005 August
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DTC P0455 EVAP CONTROL SYSTEM
PFP:14950
On Board Diagnosis Logic
ABS004HI
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
EC-364
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 August
2005 Murano
●
Use only a genuine NISSAN rubber tube as a replacement.
DTC Confirmation Procedure
ABS004HJ
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 “EVP 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
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-365, "Diagnostic Procedure"
If P0442 is displayed, perform Diagnostic Procedure for DTC
P0442
EC-326, "Diagnostic Procedure"
.
PBIB0829E
SEC763C
DTC P0455 EVAP CONTROL SYSTEM
EC-365
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WITH GST
NOTE:
Be sure to read the explanation of Driving Pattern on
before driving vehicle.
1.
Start engine.
2.
Drive vehicle according to Driving Pattern,
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 Diagnostic Procedure for DTC P0441,
●
If P0442 is displayed on the screen, go to Diagnostic Procedure for DTC P0442,
●
If P0455 is displayed on the screen, go to Diagnostic Procedure for DTC P0455,
Diagnostic Procedure
ABS004HK
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-34, "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
EC-366
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 August
2005 Murano
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-32, "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-35, "Removal and Installation"
●
EVAP canister vent control valve.
Refer to
EC-344, "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.
PBIB2090E
SEF916U
DTC P0455 EVAP CONTROL SYSTEM
EC-367
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9.
CHECK FOR EVAP LEAK
With CONSULT-II
1.
Turn ignition switch ON.
2.
Select “EVAP SYSTEM CLOSE” of “WORK SUPPORT” mode
with CONSULT-II.
3.
Touch “START” and apply pressure into the EVAP line 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 pres-
sure 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-32, "EVAPORATIVE EMISSION LINE DRAWING"
OK or NG
OK
>> GO TO 11.
NG
>> Repair or replace.
PEF917U
SEF200U
EC-368
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 August
2005 Murano
10.
CHECK FOR EVAP LEAK
Without CONSULT-II
1.
Turn ignition switch OFF.
2.
Apply 12 volts DC to EVAP canister vent control valve. 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 (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-32, "EVAPORATIVE EMISSION LINE DRAWING"
OK or NG
OK
>> GO TO 12.
NG
>> Repair or replace.
11.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT-II
1.
Disconnect vacuum hose to EVAP canister purge volume 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-II screen to increase “PURG VOL
CONT/V” opening to 100%.
5.
Check vacuum hose for vacuum when revving engine up to
2,000 rpm.
OK or NG
OK
>> GO TO 14.
NG
>> GO TO 13.
PBIB1365E
SEF200U
PBIB1678E
DTC P0455 EVAP CONTROL SYSTEM
EC-369
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12.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONSULT-II
1.
Start engine and warm it up to normal operating temperature.
2.
Stop engine.
3.
Disconnect vacuum hose to EVAP canister purge volume 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 15.
NG
>> GO TO 13.
13.
CHECK VACUUM HOSE
Check vacuum hoses for clogging or disconnection. Refer to
OK or NG
OK (With CONSULT-II)>>GO TO 14.
OK (Without CONSULT-II)>>GO TO 15.
NG
>> Repair or reconnect the hose.
14.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT-II
1.
Start engine.
2.
Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with
CONSULT-II. Check that engine speed varies according to the
valve opening.
OK or NG
OK
>> GO TO 16.
NG
>> GO TO 15.
15.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to
EC-338, "Component Inspection"
OK or NG
OK
>> GO TO 16.
NG
>> Replace EVAP canister purge volume control solenoid valve.
16.
CHECK FUEL TANK TEMPERATURE SENSOR
Refer to
EC-270, "Component Inspection"
OK or NG
OK
>> GO TO 17.
NG
>> Replace fuel level sensor unit.
Vacuum should exist.
PBIB1678E
EC-370
DTC P0455 EVAP CONTROL SYSTEM
Revision: 2005 August
2005 Murano
17.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to
EC-354, "Component Inspection"
OK or NG
OK
>> GO TO 18.
NG
>> Replace EVAP control system pressure sensor.
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-38, "ON BOARD REFUELING VAPOR RECOVERY (ORVR)"
OK or NG
OK
>> GO TO 19.
NG
>> Repair or replace hoses and tubes.
19.
CHECK RECIRCULATION LINE
Check recirculation line between filler neck tube and fuel tank for clogging, kink, cracks, looseness and
improper connection.
OK or NG
OK
>> GO TO 20.
NG
>> Repair or replace hose, tube or filler neck tube.
20.
CHECK REFUELING EVAP VAPOR CUT VALVE
Refer to
EC-41, "REFUELING EVAP VAPOR CUT VALVE"
OK or NG
OK
>> GO TO 21.
NG
>> Replace refueling EVAP vapor cut valve with fuel tank.
21.
CHECK INTERMITTENT INCIDENT
Refer to
EC-157, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
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