Nissan Murano Z50 (2004 year). Manual - part 87

DTC P0447 EVAP CANISTER VENT CONTROL VALVE

EC-303

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Wiring Diagram

ABS004H1

TBWA0705E

EC-304

DTC P0447 EVAP CANISTER VENT CONTROL VALVE

Revision: 2004 November

2004 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

ABS004H2

1. 

INSPECTION START

Do you have CONSULT-II?

Yes or No

Yes

>> GO TO 2.

No

>> GO TO 3.

2. 

CHECK EVAP CANISTER VENT CONTROL VALVE CIRCUIT

 With CONSULT-II

1.

Turn ignition switch OFF and then turn ON.

2.

Select “VENT CONTROL/V” in “ACTIVE TEST” mode with CONSULT-II.

3.

Touch “ON/OFF” on CONSULT-II screen.

4.

Check for operating sound of the valve.
Clicking noise should be heard.

OK or NG

OK

>> GO TO 7.

NG

>> GO TO 3.

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

111

W/B

ECM relay
(Self shut-off)

[Engine is running]
[Ignition switch: OFF]

●

For a few seconds after turning ignition 
switch OFF

0 - 1.5V

[Ignition switch: OFF]

●

A few seconds passed after turning ignition 
switch OFF

BATTERY VOLTAGE
(11 - 14V)

117

R

EVAP canister vent control 
valve

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

119

120

R/B
R/B

Power supply for ECM

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

PBIB1679E

DTC P0447 EVAP CANISTER VENT CONTROL VALVE

EC-305

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3. 

CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect EVAP canister vent control valve harness connector.

3.

Turn ignition switch ON.

4.

Check voltage between EVAP canister vent control valve termi-
nal 1 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 E110, M7

●

Harness connectors M10, B3

●

IPDM E/R harness connector E7

●

Harness for open or short between EVAP canister vent control valve and IPDM E/R

●

Harness for open or short between EVAP canister vent control valve and ECM

>> Repair open circuit or short to ground or short to power in harness or connectors.

5. 

CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND 

SHORT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check harness continuity between ECM terminal 117 and EVAP canister vent control valve terminal 2.
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.

Voltage: Battery voltage

PBIB1365E

PBIB0152E

Continuity should exist.

EC-306

DTC P0447 EVAP CANISTER VENT CONTROL VALVE

Revision: 2004 November

2004 Murano

6. 

DETECT MALFUNCTIONING PART

Check the following.

●

Harness connectors B3, M10

●

Harness for open or short between EVAP canister vent control valve and ECM

>> Repair open circuit or short to ground or short to power in harness or connectors.

7. 

CHECK RUBBER TUBE FOR CLOGGING

1.

Disconnect rubber tube connected to EVAP canister vent control valve.

2.

Check the rubber tube for clogging.

OK or NG

OK

>> GO TO 8.

NG

>> Clean the rubber tube using an air blower.

8. 

CHECK EVAP CANISTER VENT CONTROL VALVE

Refer to 

EC-306, "Component Inspection"

 .

OK or NG

OK

>> GO TO 9.

NG

>> Replace EVAP canister vent control valve.

9. 

CHECK INTERMITTENT INCIDENT

Refer to 

EC-130, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

 .

>> INSPECTION END

Component Inspection

ABS004H3

EVAP CANISTER VENT CONTROL VALVE

 With CONSULT-II

1.

Remove EVAP canister vent control valve from EVAP canister.

2.

Check portion B   of EVAP canister vent control valve for being
rusted.
If NG, replace EVAP canister vent control valve.
If OK, go to next step.

3.

Reconnect harness connectors disconnected.

4.

Turn ignition switch ON.

5.

Perform “VENT CONTROL/V” in “ACTIVE TEST” mode.

6.

Check air passage continuity and operation delay time.
Make sure new O-ring is installed properly.

Operation takes less than 1 second.

If NG, replace EVAP canister vent control valve.
If OK, go to next step.

7.

Clean the air passage (Portion A   to B ) of EVAP canister vent control valve using an air blower.

PBIB1033E

Condition VENT CONTROL/V

Air passage continuity between A and B

ON

No

OFF

Yes

PBIB1679E

DTC P0447 EVAP CANISTER VENT CONTROL VALVE

EC-307

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8.

Perform step 6 again.

 Without CONSULT-II

1.

Remove EVAP canister vent control valve from EVAP canister.

2.

Check portion B   of EVAP canister vent control valve for being
rusted.

3.

Check air passage continuity and operation delay time under the
following conditions.
Make sure new O-ring is installed properly.

Operation takes less than 1 second.

If NG, replace EVAP canister vent control valve.
If OK, go to next step.

4.

Clean the air passage (Portion A   to B ) of EVAP canister vent control valve using an air blower.

5.

Perform step 3 again.

PBIB1033E

Condition

Air passage continuity between A and B

12V direct current supply between
 terminals 1 and 2

No

OFF

Yes

PBIB1034E

EC-308

DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR

Revision: 2004 November

2004 Murano

DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR

PFP:22365

Component Description

ABS005GL

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

ABS005GM

Specification data are reference values.

On Board Diagnosis Logic

ABS005GN

NOTE:
If DTC P0451 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to

EC-444

 .

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

P0451
0451

EVAP control system 
pressure sensor perfor-
mance

ECM detects a sloshing signal from the EVAP 
control system pressure sensor

●

Harness or connectors

●

EVAP control system pressure sensor

DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-309

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DTC Confirmation Procedure

ABS005GO

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.

 WITH CONSULT-II

1.

Turn ignition switch OFF and wait at least 10 seconds.

2.

Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.

3.

Start engine and wait at least 40 seconds.

NOTE:
Do not depress accelerator pedal even slightly.
If 1st trip DTC is detected, go to 

EC-309, "Diagnostic Procedure"

.

 WITH GST

Follow the procedure “WITH CONSULT-II” above.

Diagnostic Procedure

ABS005GP

1. 

CHECK GROUND CONNECTIONS

1.

Turn ignition switch OFF.

2.

Loosen and retighten two ground screws on the body.
Refer to 

EC-139, "Ground Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace ground connections.

SEF194Y

PBIB1835E

EC-310

DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR

Revision: 2004 November

2004 Murano

2. 

CHECK EVPA CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER

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

Refer to 

EC-310, "Component Inspection"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Replace EVAP control system pressure sensor.

4. 

CHECK INTERMITTENT INCIDENT

Refer to 

EC-130, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

 .

For wiring diagram, refer to 

EC-313

 .

>> INSPECTION END

Component Inspection

ABS005GQ

EVAP CONTROL SYSTEM PRESSURE SENSOR

1.

Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.
Do not reuse the O-ring, replace it 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.

Water should not exist.

PBIB1365E

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 P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-311

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Revision: 2004 November

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DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

PFP:25085

Component Description

ABS004H4

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

ABS004H5

Specification data are reference values.

On Board Diagnosis Logic

ABS004H6

NOTE:
If DTC P0452 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to

EC-444

 .

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

P0452
0452

EVAP control system 
pressure sensor low 
input

An excessively low voltage from the sensor is 
sent to ECM.

●

Harness or connectors
(The sensor circuit is open or shorted.)

●

EVAP control system pressure sensor

EC-312

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

Revision: 2004 November

2004 Murano

DTC Confirmation Procedure

ABS004H7

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 20 seconds.
If 1st trip DTC is detected, go to 

EC-314, "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 20 seconds.

5.

Select MODE 7 with GST.
If 1st trip DTC is detected, go to 

EC-314, "Diagnostic Procedure"

.

SEF194Y

PBIB1110E

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-313

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Wiring Diagram

ABS004H8

TBWA0706E

EC-314

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

Revision: 2004 November

2004 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

ABS004H9

1. 

CHECK GROUND CONNECTIONS

1.

Turn ignition switch OFF.

2.

Loosen and retighten two ground screws on the body.
Refer to 

EC-139, "Ground Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace ground connections.

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
(MAF sensor / IAT sensor / 
PSP sensor / EVAP control 
system pressure sensor / 
ASCD steering switch / 
Refrigerant pressure sen-
sor)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 0V

PBIB1835E

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-315

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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 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.

Water should not exist.

PBIB1365E

Voltage: Approximately 5V

PBIB0138E

EC-316

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

Revision: 2004 November

2004 Murano

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.

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 EVAP CONTROL SYSTEM PRESSURE SENSOR

Refer to 

EC-317, "Component Inspection"

 .

OK or NG

OK

>> GO TO 10.

NG

>> Replace EVAP control system pressure sensor.

Continuity should exist.

Continuity should exist.

DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-317

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10. 

CHECK INTERMITTENT INCIDENT

Refer to 

EC-130, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

 .

>> INSPECTION END

Component Inspection

ABS004HA

EVAP CONTROL SYSTEM PRESSURE SENSOR

1.

Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.
Do not reuse the O-ring, replace it 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

EC-318

DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

Revision: 2004 November

2004 Murano

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

EC-444

 .

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