Nissan Sentra B18 (2020-2025) Service Manual: High-Pressure Pipe
Removal and Installation
REMOVAL
Discharge the refrigerant. Refer to Recycle Refrigerant.
Remove bolt
(A) and disconnect high-pressure pipe from internal heat
exchanger. 
Remove core support cover. Refer to Exploded View.
Disconnect refrigerant pressure sensor and release clips from high-pressure pipe. Refer to Exploded View.
Remove bolt
(A) and disconnect the high-pressure pipe from the
condenser.
CAUTION:
Cap or wrap the joint of the pipe with a suitable material such as vinyl tap to avoid the entry of air.
Remove the high-pressure pipe.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
-
Do not reuse O-rings.
-
Apply A/C oil to new O-rings.
-
After charging refrigerant, check for leaks. Refer to Leak Test.
High-Pressure Flexible Hose
Removal and Installation
Removal and Installation
REMOVAL
Discharge
the refrigerant. Refer to Recycle Refrigerant.
Remove
front under cover. Refer to Removal and Installation.
...
Internal Heat Exchanger
Removal and Installation
Removal and Installation
REMOVAL
Discharge
the refrigerant. Refer to Recycle Refrigerant.
Remove
front under cover. Refer to Removal and Installation.
...
Other materials:
Door Check Link
Removal and Installation
Removal and Installation
REMOVAL
Fully close
the front door window glass.
Remove
front door speaker. Refer to Removal and Installation (DISPLAY AUDIO WITH
7" COLOR DISPLAY), Removal and Installation (DISPLAY AUDIO
WITHOUT BOSE WITH 8" COLOR DISPLA ...
Interior Room Lamp Control System
System Description
System Description
SYSTEM DIAGRAM
OUTLINE
The following lamps are controlled by the interior
room lamp timer control function of the BCM:
Front room/map lamp assembly*
Rear personal lamp*
...
Connector symbols
Most of connector symbols in wiring diagrams are shown from the terminal
side.
Connector symbols shown from the terminal side are enclosed by
a single line and followed by the direction mark.
Connector symbols shown from the harness side are enclosed by
a double line and followed by the ...
