Nissan Cube. Manual - part 350

EC-286

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

1.

Start engine and warm it up to normal operating temperature.

2.

Set voltmeter probes to ECM harness connector and ground as per the following.

3.

Make sure that the voltage is less than 4.2 V.

4.

Turn ignition switch OFF and wait at least 10 seconds.

5.

Start engine and wait at least 20 seconds.

6.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to 

EC-286, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009947399

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection E38. Refer to 

GI-43, "Circuit Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace ground connection.

2.

CHECK CONNECTOR

1.

Disconnect EVAP control system pressure sensor harness connector.

2.

Check sensor harness connector for water.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness connector.

3.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check the voltage between EVAP control system pressure sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> GO TO 4.

4.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-II

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between EVAP control system pressure sensor harness connector and ECM har-
ness connector.

ECM

Ground

Connector

Terminal

F8

43

(Fuel tank temperature sensor signal)

Ground

Water should not exist.

EVAP control system pressure sen-

sor

Ground

Voltage

Connector

Terminal

B21

3

Ground

Approx. 5 V

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-287

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

C

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E

F

G

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EC

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Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

DETECT MALFUNCTIONING PART

Check the following.
• Harness connectors B4, M79
• Harness connectors M77, E105
• Harness connectors E8, F1
• 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.

6.

CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES

>> GO TO 7.

NO

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

7.

CHECK COMPONENTS

Check the following.
• Battery current sensor (Refer to 

EC-337, "Component Inspection"

.)

• Crankshaft position sensor (POS) (Refer to 

EC-244, "Component Inspection"

.)

• Refrigerant pressure sensor (Refer to 

EC-425, "Diagnosis Procedure"

.)

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace malfunctioning component.

8.

CHECK APP SENSOR

Refer to 

EC-385, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> GO TO 9.

9.

REPLACE ACCELERATOR PEDAL ASSEMBLY

1.

Replace accelerator pedal assembly

2.

Perform 

EC-385, "Special Repair Requirement"

.

>> INSPECTION END

10.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND

EVAP control system pressure sen-

sor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B21

3

F8

76

Existed

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F8

74

Refrigerant pressure sensor

E49

3

75

CKP sensor (POS)

F20

1

76

EVAP control system pressure sen-
sor

B21

3

77

Battery current sensor

F53

1

E16

102

APP sensor

E110

5

EC-288

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

SHORT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between EVAP control system pressure sensor harness connector and ECM har-
ness connector.

4.

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> GO TO 11.

11.

DETECT MALFUNCTIONING PART

Check the following.
• Harness connectors B4, M79
• Harness connectors M77, E105
• Harness connectors E8, F1
• 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.

12.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND

SHORT

1.

Check the continuity between EVAP control system pressure sensor harness connector and ECM har-
ness connector.

2.

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

>> GO TO 14.

NO

>> GO TO 13.

13.

DETECT MALFUNCTIONING PART

Check the following.
• Harness connectors B4, M79
• Harness connectors M77, E105
• Harness connectors E8, F1
• 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.

14.

CHECK RUBBER TUBE

1.

Disconnect rubber tube connected to EVAP canister vent control valve.

2.

Check the rubber tube for clogging.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> Clean the rubber tube using an air blower, repair or replace rubber tube.

15.

CHECK EVAP CANISTER VENT CONTROL VALVE

EVAP control system pressure sen-

sor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B21

1

F8

51

Existed

EVAP control system pressure sen-

sor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B21

2

F8

42

Existed

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-289

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Refer to 

EC-270, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 16.

NO

>> Replace EVAP canister vent control valve.

16.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

Refer to 

EC-289, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 17.

NO

>> Replace EVAP control system pressure sensor.

17.

CHECK IF EVAP CANISTER IS 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.

Does water drain from EVAP canister?

YES

>> GO TO 18.

NO

>> GO TO 20.

18.

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 1.9 kg (4.2 lb).

Is the inspection result normal?

YES

>> GO TO 20.

NO

>> GO TO 19.

19.

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. Refer to 

FL-14, "Exploded View"

.

20.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000009947400

1.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

1.

Turn ignition switch OFF.

2.

Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.
Always replace O-ring with a new one.

3.

Install a vacuum pump to EVAP control system pressure sensor.

4.

Turn ignition switch ON and check output voltage between ECM harness connector and ground under the
following conditions.

PBIB1213E