Nissan Quest E52. Manual - part 525

EC-310

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

DTC Logic

INFOID:0000000009651143

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
1.

Turn ignition switch OFF and wait at least 10 seconds.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Always perform test at a temperature of 5

°

C (41

°

F) or more.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

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.

Turn ignition switch OFF and wait at least 10 seconds.

5.

Turn ignition switch ON.

6.

Select “DATA MONITOR” mode with CONSULT.

7.

Check that “FUEL T/TMP SE” is more than 0

°

C (32

°

F).

8.

Start engine and wait at least 20 seconds.

9.

Check 1st trip DTC.

With GST

1.

Start engine and warm it up to normal operating temperature.

2.

Set voltmeter probes to ECM harness connector terminals.

3.

Check that the voltage is less than 4.2 V.

4.

Turn ignition switch OFF and wait at least 10 seconds.

5.

Turn ignition switch ON.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0453

EVAP control system 
pressure sensor high in-
put

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

• Harness or connectors

(The sensor circuit is open or shorted.)
[CKP sensor (POS) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(Refrigerant pressure sensor circuit is 
shorted.)

• EVAP control system pressure sensor
• Crankshaft position sensor (POS)
• Accelerator pedal position sensor
• Refrigerant pressure sensor
• EVAP canister vent control valve
• EVAP canister
• Rubber hose from EVAP canister vent 

control valve to vehicle frame

ECM

Connector

+

–

Terminal

Terminal

E16

111

(Fuel tank temperature sensor signal)

120

(Sensor ground)

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-311

< DTC/CIRCUIT DIAGNOSIS >

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6.

Turn ignition switch OFF and wait at least 10 seconds.

7.

Start engine and wait at least 20 seconds.

8.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to 

EC-311, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009651144

1.

CHECK CONNECTOR

1.

Disconnect EVAP control system pressure sensor harness connector.

2.

Check that water is not inside connectors.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness connector.

2.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY

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 7.

NO

>> GO TO 3.

3.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT

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.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair open circuit.

4.

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 5.

NO

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

EVAP control system pressure sensor

Ground

Voltage (V)

Connector

Terminal

B22

3

Ground

Approx. 5

EVAP control system pressure sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B22

3

E16

107

Existed

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F8

96

Refrigerant pressure sensor

E300

1

54

CKP sensor (POS)

F20

1

E16

103

APP sensor

E110

5

107

EVAP control system pressure sensor

B22

3

EC-312

< DTC/CIRCUIT DIAGNOSIS >

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P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

5.

CHECK COMPONENTS

Check the following.
• Crankshaft position sensor (POS) (Refer to 

EC-273, "Component Inspection"

.)

• Refrigerant pressure sensor (Refer to 

EC-442, "Diagnosis Procedure"

.)

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace malfunctioning components.

6.

CHECK APP SENSOR

Check APP sensor. Refer to 

EC-405, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace accelerator pedal assembly. Refer to 

FL-16, "Exploded View"

.

7.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND 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 8.

NO

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

8.

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 9.

NO

>> Repair open circuit, 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.

Is the inspection result normal?

YES

>> GO TO 10.

NO

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

10.

CHECK EVAP CANISTER VENT CONTROL VALVE

Check EVAP canister vent control valve. Refer to 

EC-297, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Replace EVAP canister vent control valve. Refer to 

FL-16, "Exploded View"

.

EVAP control system pressure sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B22

1

E16

112

Existed

EVAP control system pressure sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B22

2

E16

102

Existed

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-313

< DTC/CIRCUIT DIAGNOSIS >

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11.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

Check EVAP control system pressure sensor. Refer to 

EC-313, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Replace EVAP control system pressure sensor. Refer to 

FL-16, "Exploded View"

.

12.

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. Refer to 

FL-16, "Exploded View"

.

2.

Check if water will drain from the EVAP canister.

Does water drain from the EVAP canister?

YES

>> GO TO 13.

NO

>> Check intermittent incident. Refer to 

GI-42, "Intermittent

Incident"

.

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).
Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> 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. Refer to 

FL-16, "Exploded View"

.

Component Inspection

INFOID:0000000009651145

1.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

1.

Turn ignition switch OFF.

2.

Remove EVAP control system pressure sensor with its harness connector. Refer to 

FL-16, "Exploded

View"

.

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 terminals under the following conditions.

CAUTION:

• Always calibrate the vacuum pump gauge when using it.

JMBIA1134GB

ECM

Applied vacuum kPa

(kg/cm

2

, psi)

Voltage

Connector

+

–

Terminal

Terminal

E16

102

(EVAP control system 

pressure sensor signal)

112

(Sensor ground)

Not applied

1.8 - 4.8 V

-26.7 (-0.272, -3.87)

2.1 to 2.5 V lower than 

above value