Nissan Sentra Service Manual: Removal and installation
Ecm
Exploded View
- ECM bracket
- ECM
- Engine mounting insulator bracket
Removal and Installation
CAUTION:
Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-135, "Work Procedure".
REMOVAL
- Remove battery. Refer to PG-50, "Removal and Installation (Battery)".
- Disconnect ECM harness connectors. Refer to PG-42, "Description".
- Remove the fuse box bracket from the ECM bracket.
- Remove the ECM bracket from the engine mounting LH, together with ECM.
- Remove ECM mounting nuts, and then remove ECM.
INSTALLATION
Install in the reverse order of removal.
Positive crankcase ventilation
Inspection
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 fel ...
Service data and specifications (SDS)
Idle speed
*: 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 ...
Other materials:
Normal operating condition
Compass
Compass : description
Compass
The electronic compass is highly protected from changes in most magnetic
fields. However, some large
changes in magnetic fields can affect it. Some examples are (but not limited
to): high tension power lines,
large steel buildings, subways, steel ...
Optical sensor
Description
The optical sensor measures ambient light and transmits the optical sensor
signal to the bcm.
Component function check
1.Check optical sensor signal by consult
Consult
Turn the ignition switch ON.
Select opti sen of bcm (head lamp) data monitor item.
Turn the lighting swit ...
Pedal vibration or abs operation
sound occurs
Diagnosis Procedure
CAUTION:
Under the following conditions, ABS is activated and
vibration is felt when brake pedal is lightly
depressed (just place a foot on it). However, this is normal.
When shifting gears
When driving on slippery road
During cornering at high spee ...
