Nissan Sentra Service Manual: Control Units and Electrical Parts
PRECAUTIONS
- Never reverse polarity of battery terminals.
- Install only parts specified for a vehicle.
- Before replacing the control unit, check the input and output and
functions of the component parts.
- Do not apply excessive force when disconnecting a connector.

- Do not apply excessive shock to the control unit by dropping or hitting
it.
- Be careful to prevent condensation in the control unit due to rapid
temperature changes and do not let water or rain get on it. If water
is found in the control unit, dry it fully and then install it in the
vehicle.
- Be careful not to let oil to get on the control unit connector.
- Avoid cleaning the control unit with volatile oil.
- Do not disassemble the control unit, and do not remove the upper
and lower covers.

- When using a DMM, be careful not to let test probes get close to
each other to prevent the power transistor in the control unit from
damaging battery voltage because of short circuiting.
- When checking input and output signals of the control unit, use the
specified check adapter.
STEP
DESCRIPTION
STEP 1
Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information requi ...
CONNECTOR AND TERMINAL PIN KIT
Use the connector and terminal pin kits listed below when replacing
connectors or terminals.
The connector and terminal pin kits contain some of the most common ...
Other materials:
AM radio reception
AM signals, because of their low frequency, can
bend around objects and skip along the ground.
In addition, the signals can be bounced off the
ionosphere and bent back to earth. Because of
these characteristics, AM signals are also subject
to interference as they travel from transmitter
to r ...
Front passenger side power window does not operate
When both power window main switch and front power window switch are
operated
WHEN BOTH POWER WINDOW MAIN SWITCH AND FRONT POWER WINDOW SWITCH ARE OPERATED
: Diagnosis Procedure
1.CHECK FRONT POWER WINDOW SWITCH (PASSENGER SIDE)
Check front power window switch (passenger side).
Refer to PW ...
Automatic door locks
All doors lock automatically when the vehicle
speed reaches 15 MPH (24 km/h).
All doors unlock automatically when the ignition
is placed in the OFF position (models
with Intelligent Key system) or when the key
is removed from the ignition switch (models
without Intelligent Key system) ...
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