Nissan X-Trail 32. Manual - part 919

POSITIVE CRANKCASE VENTILATION

EC-805

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POSITIVE CRANKCASE VENTILATION

Inspection

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1.

CHECK PCV VALVE

With engine running at idle, remove PCV valve from rocker cover. A
properly working valve makes a hissing noise as air passes through
it. A strong vacuum should be felt immediately when a finger is
placed over valve inlet.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace PCV valve. Refer to 

EC-440,

"Component Parts Location"

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PBIB1589E

EC-806

< REMOVAL AND INSTALLATION >

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ECM

REMOVAL AND INSTALLATION

ECM

Removal and Installation

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EXPLODED VIEW

CAUTION:

Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to 

EC-550, "Work Procedure"

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REMOVAL

1.

Disconnect the battery negative terminal.

2.

Remove the resonator. Refer to 

EM-174, "Exploded View"

.

3.

Disconnect ECM harness connectors.

4.

Remove ECM mounting nuts, and then remove ECM.

INSTALLATION

Install in the reverse order of removal.

ECM bracket

ECM

: Vehicle front

ALBIA1179ZZ

SERVICE DATA AND SPECIFICATIONS (SDS)

EC-807

< SERVICE DATA AND SPECIFICATIONS (SDS) 

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Idle Speed

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*: Under the following conditions

• A/C switch: OFF

• Electric load: OFF (Lights, heater fan & rear window defogger)

• Steering wheel: Kept in straight-ahead position

Ignition Timing

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*: Under the following conditions

• A/C switch: OFF

• Electric load: OFF (Lights, heater fan & rear window defogger)

• Steering wheel: Kept in straight-ahead position

Calculated Load Value

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Mass Air Flow Sensor

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*: Engine is warmed up to normal operating temperature and running under no load.

Condition

Specification

No load* (in P or N position)

650 

±

 50 rpm

Condition

Specification

No load* (in P or N position)

10 

±

 2

°

 BTDC

Condition

Specification (Using CONSULT or GST)

At idle

10 – 35 %

At 2,500 rpm

10 – 35 %

Supply voltage

Battery voltage (11 – 14 V)

Output voltage at idle

1.3 – 1.6 V*

Mass air flow (Using CONSULT or GST)

1.0 – 4.0 g/s at idle*

4.0 – 10.0 g/s at 2,500 rpm*

EC-808

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HOW TO USE THIS SECTION

HOW TO USE THIS MANUAL

HOW TO USE THIS SECTION

Information

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Both “VDC” and “ESP” are used in this manual. These indicate the same system.