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Nissan Sentra. Manual - part 447

EC-484

< PERIODIC MAINTENANCE >

[MRA8DE]

POSITIVE CRANKCASE VENTILATION

POSITIVE CRANKCASE VENTILATION

Inspection

INFOID:0000000009758737

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

>> Replace PCV valve. Refer to

EC-15, "ENGINE CON-

TROL SYSTEM : Component Parts Location"

PBIB1589E

ECM

EC-485

< REMOVAL AND INSTALLATION >

[MRA8DE]

REMOVAL AND INSTALLATION

ECM

Exploded View

INFOID:0000000009758738

Removal and Installation

INFOID:0000000009758739

CAUTION:

Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to

EC-135, "Work Procedure"

REMOVAL

1. Remove battery. Refer to

PG-50, "Removal and Installation (Battery)"

2. Disconnect ECM harness connectors. Refer to

PG-42, "Description"

3. Remove the fuse box bracket from the ECM bracket.
4. Remove the ECM bracket from the engine mounting LH, together with ECM.
5. Remove ECM mounting nuts, and then remove ECM.

INSTALLATION

Install in the reverse order of removal.

ECM bracket

ECM

Engine mounting insulator bracket

JSBIA2680ZZ

EC-486

< SERVICE DATA AND SPECIFICATIONS (SDS)

[MRA8DE]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Idle Speed

INFOID:0000000009758740

*: 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

INFOID:0000000009758741

*: 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

INFOID:0000000009758742

Mass Air Flow Sensor

INFOID:0000000009758743

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

Transmission

Condition

Specification (Approx.)

CVT

No load* (in P or N position)

700 rpm

M/T