Diagnostic Test

1. Turn ignition switch OFF.
2. Check EVAP canister for cracks.

Is the inspection result normal?

YES-1 

With CONSULT: GO TO STEP 2  .

YES-2 

Without CONSULT: GO TO STEP 3  .

NO 

Replace EVAP canister. Refer to REMOVAL AND INSTALLATION .

WITH CONSULT

1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP service port.
2. Start engine and let it idle.
3. Select "PURG VOL CONT/V" in "ACTIVE TEST" mode with CONSULT.
4. Touch "Qd" and "Qu" on CONSULT screen to adjust "PURG VOL CONT/V" opening and check vacuum existence.

   PURG VOL CONT/V	Vacuum
   100%	Existed
   0%	Not existed

Is the inspection result normal?

YES 

GO TO STEP  7.

NO 

GO TO STEP 4  .

WITHOUT CONSULT

1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP service port and install vacuum gauge. For the location of EVAP service port, refer to SYSTEM DESCRIPTION .
4. Start engine and let it idle.

   Never depress accelerator pedal even slightly. 

5. Check vacuum gauge indication before 60 seconds pass after starting engine.

   Vacuum should not exist.

6. Rev engine up to 2, 000 rpm after 100 seconds pass after starting engine.

   Vacuum should exist.

Is the inspection result normal?

YES 

GO TO STEP  7.

NO 

GO TO STEP 4  .

1. Turn ignition switch OFF.
2. Check EVAP purge line for improper connection or disconnection.

   Refer to HYDRAULIC LAYOUT .

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

Repair EVAP purge line.

1. Disconnect purge hoses connected to EVAP service port (A  ) and EVAP canister purge volume control solenoid valve (B  ).

   Courtesy of NISSAN NORTH AMERICA, INC.

2. Blow air into each hose and EVAP purge port (C  ).
3. Check that air flows freely.

   Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES-1 

With CONSULT: GO TO STEP 6  .

YES-2 

Without CONSULT: GO TO STEP 7  .

NO 

Repair or clean hoses and/or purge port.

WITH CONSULT

1. Start engine.
2. Perform "PURG VOL CONT/V" in "ACTIVE TEST" mode with CONSULT. Check that engine speed varies according to the valve opening.

Does engine speed vary according to the valve opening?

YES 

GO TO STEP 8  .

NO 

GO TO STEP 7  .

Refer to COMPONENT INSPECTION (EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE) .

Is the inspection result normal?

YES 

GO TO STEP 8  .

NO 

Replace EVAP canister purge volume control solenoid valve. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

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 STEP 9  .

NO 

Replace EVAP control system pressure sensor. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

Refer to DTC LOGIC  for DTC P0452, DTC LOGIC  for DTC P0453.

Is the inspection result normal?

YES 

GO TO STEP 10  .

NO 

Replace EVAP control system pressure sensor.

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 STEP 11  .

NO 

Clean the rubber tube using an air blower.

Refer to COMPONENT INSPECTION (EVAP CANISTER VENT CONTROL VALVE) .

Is the inspection result normal?

YES 

GO TO STEP 12  .

NO 

Replace EVAP canister vent control valve.

Inspect EVAP purge line (pipe and rubber tube). Check for evidence of leaks.

Refer to HYDRAULIC LAYOUT .

Is the inspection result normal?

YES 

GO TO STEP 13  .

NO 

Repair or replace malfunctioning part.

Clean EVAP purge line (pipe and rubber tube) using air blower.

GO TO STEP 14  .

Refer to INTERMITTENT INCIDENT .

INSPECTION END