Nissan Sentra B18 (2020-2025) Service Manual: Removal and Installation
Removal
Remove the upper core support cover. Refer to Exploded View.
Disconnect
the harness connectors from the horn. Note: 
The harness connector locations prior to removal.
Remove the horn nut and the horn.
Installation
Installation is in the reverse order of removal.
Note:
Install the harness connector in the proper locations.
Exploded View
Exploded View
1.
Horn
A.
Ha ...
Other materials:
Fuel
Fuel
MR20DD
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index) number (Research
octane number 91).
CAUTION:
Only Nissan Sentra vehicles with the E-85 filler door label can
operate on E-85. Fuel system or other dama ...
P0301 Misfire
Dtc Description
DTC Description
When a misfire occurs, engine speed will fluctuate. If the engine
speed fluctuates enough to cause the crankshaft position (CKP) sensor signal to
vary, ECM can determine that a misfire is occurring.
...
Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as
“AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along with a front seat belt, helps to reduce the risk or
severity of injury to the driver and fron ...
