Nissan Sentra Owners Manual: Warning signals
To help prevent the vehicle from moving unexpectedly by erroneous operation of the Intelligent Key or to help prevent the vehicle from being stolen, a chime or buzzer sounds from inside and outside the vehicle and a warning light comes on in the instrument panel.
When a chime or beep sounds or the warning light comes on, be sure to check the vehicle and the Intelligent Key.
Audible reminder and warning when locking the doors
When the chime or buzzer sounds from inside and outside the vehicle, check for the following:
- The ignition switch is placed in the LOCK position.
- The Intelligent Key is not left inside the vehicle.
- The shift lever is in the P (Park) position.
Audible reminder and warning when the engine stops
When the P position selecting warning light
(
) in the instrument panel
blinks in red:
- Make sure the shift lever is in the P (Park) position.
When the chime sounds intermittently:
- Make sure the shift lever is in the P (Park) position and the ignition switch is placed in the LOCK position.
If the chime sounds continuously when the driver’s door is opened, check the following:
- The shift lever is placed in the P (Park) position and the ignition switch is placed in the LOCK position.
- The warning chime may stop when one of the following is performed:
- Returning the ignition switch to the LOCK position.
- Closing the doors.
Alarm and warning when the engine starts
When the Intelligent Key system warning light
( 
) blinks red and the outside
buzzer
sounds, make sure the Intelligent Key is inside the
vehicle.
Warning for low battery power
When the Intelligent Key battery is low, the Intelligent
Key system warning light (
) will
blink
green for about 30 seconds after the ignition
switch is placed in the ON position. This warning
is to let you know that the battery of the Intelligent
Key will run down soon. Replace it with a new
one. Refer to “Battery replacement” in the “Maintenance
and do-it-yourself” section.
NISSAN recommends replacing the battery at a NISSAN dealer.
Preventing the Intelligent Key from being left in the vehicle
If you lock all doors using the power door lock switch with the Intelligent Key in the vehicle, all of the doors unlock immediately and the buzzer will warn you when the door is closed.
Warning lights and audible reminders
The Intelligent Key is equipped with a function
that is designed to minimize improper operations
and to help prevent the vehicle from being stolen.
The warning buzzer sounds and the warning light ...
Troubleshooting guide
Symptom
Possible Cause
When pushing the ignition switch to stop
the engine
The P (Park) warning light in the instrument
panel illuminates and the inside chime
...
Other materials:
Oil seal
Valve oil seal : Removal and Installation
REMOVAL
Rotate crankshaft, and set piston whose valve oil seal is to be removed
to TDC. This will prevent valve
from dropping into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid scarring front cover with
timing chain.
Re ...
Squeak and rattle trouble diagnoses
Work Flow
Customer interview
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the diagnostic
worksheet during the interview to document the facts and conditions when the
noise occurs and any
customer's comments; refer to rf-37, "d ...
Engine protection control at low engine
oil pressure
ENGINE PROTECTION CONTROL AT LOW ENGINE OIL PRESSURE : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Engine oil pressure sensor
Engine oil pressure
Engine protection control
Oil pressure warning ...
