Nissan Sentra Owners Manual: Anti-freeze
In the winter when it is anticipated that the temperature will drop below 32°F (0°C), check the anti-freeze to assure proper winter protection.
For details, see “Engine cooling system” in the “Maintenance and do-it-yourself” section of this manual.
Freeing a frozen door lock
To prevent a door lock from freezing, apply deicer
through the key hole. If the lock becomes
frozen, heat the key before inserting it into the key
hole, or use the remote keyless entry keyfob or
t ...
Battery
If the battery is not fully charged during extremely
cold weather conditions, the battery fluid may
freeze and damage the battery. To maintain maximum
efficiency, the battery should be checked
reg ...
Other materials:
Power supply and ground circuit
Av control unit
Av control unit : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-234, "Wiring Diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing the affected circuit.
...
P1550 Battery current sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1550
BAT CURRENT SENSOR
(Battery current sensor)
The output voltage of the battery current
sensor remains within the specified
r ...
Symptom diagnosis
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
Symptom
Check items
Cooling system
parts
malfunction
Poor heat transfer
Water pump malfunction
Worn or loose drive belt
—
Thermostat stuck closed
Engine coolant circulation
Da ...
