Nissan Maxima. Manual - part 467

EC-352

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

Description

INFOID:0000000010095032

The EVAP control system pressure sensor detects pressure in the

purge line. The sensor output voltage to the ECM increases as pres-

sure increases.

DTC Logic

INFOID:0000000010095033

DTC DETECTION LOGIC

Regarding Wiring Diagram information, refer to 

EC-554, "Wiring Diagram"

.

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.

PBIB3370E

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

(EVAP control system pressure sensor 
circuit is open or shorted.)
[Crankshaft position (CKP) sensor (POS) 
circuit is shorted.]
[Accelerator pedal position (APP) sensor 
2 circuit is shorted.]
(Refrigerant pressure sensor circuit is 
shorted.)

• EVAP control system pressure sensor
• CKP sensor (POS)
• APP sensor
• Refrigerant pressure sensor
• EVAP canister vent control valve
• EVAP canister
• Drain filter
• Rubber hose from EVAP canister vent 

control valve to drain filter

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-353

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

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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.

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

>> Go to 

EC-353, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010095034

Regarding Wiring Diagram information, refer to 

EC-554, "Wiring Diagram"

.

1.

CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connection E9. Refer to Ground Inspection in 

GI-44, "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 that water is not inside connectors.
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 sen-

sor 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.

ECM

Connector

+

–

Terminal

Terminal

E10

95

(Fuel tank temperature sensor signal)

104

(Sensor ground)

JMBIA1872ZZ

EVAP control system pressure sensor

Ground

Voltage (V)

Connector

Terminal

B41

3

Ground

Approx. 5

PBIB0138E

EC-354

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

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 6.

NO

>> GO TO 5.

5.

DETECT MALFUNCTIONING PART

Check the following.

• Harness connectors B10, E29

• Harness for open or short between EVAP control system pressure sensor and ECM

>> Repair open circuit.

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.

• Crankshaft position sensor (POS) (Refer to 

EC-299, "Component Inspection"

.)

• Refrigerant pressure sensor (Refer to 

EC-515, "Diagnosis Procedure"

.)

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace malfunctioning components.

8.

CHECK APP SENSOR

Refer to 

EC-469, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> GO TO 9.

9.

REPLACE ACCELERATOR PEDAL ASSEMBLY

1. Replace accelerator pedal assembly. Refer to 

ACC-3, "Removal and Installation"

.

2. Refer to 

EC-469, "Special Repair Requirement"

.

>> INSPECTION END

10.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND

SHORT
1. Turn ignition switch OFF.

EVAP control system pressure sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B41

3

E10

91

Existed

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F13

72

Refrigerant pressure sensor

E219

1

76

CKP sensor (POS)

F30

1

E10

87

APP sensor

E40

6

91

EVAP control system pressure sensor

B41

3

P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR

EC-355

< DTC/CIRCUIT DIAGNOSIS >

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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 B10, E29

• Harness for open or short between EVAP control system pressure sensor and ECM

>> Repair open circuit, 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 B10, E29

• Harness for open or short between EVAP control system pressure sensor and ECM

>> Repair open circuit, 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

Refer to 

EC-335, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 16.

NO

>> Replace EVAP canister vent control valve. Refer to 

FL-16, "Removal and Installation"

.

16.

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

Refer to 

EC-356, "Component Inspection"

.

Is the inspection result normal?

EVAP control system pressure sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B41

1

E10

96

Existed

EVAP control system pressure sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

B41

2

E10

86

Existed