Nissan Sentra Service Manual: Disassembly and assembly
FUEL LEVEL SENSOR UNIT
Exploded View
Fuel Level Sensor Unit
- Fuel filter and pump assembly
- Fuel level sensor unit
- Float arm assembly
- Fuel tank temperature sensor
- Fuel level sensor unit/fuel tank temperature sensor harness connector
Disassembly and Assembly
DISASSEMBLY
- Disconnect fuel level sensor unit/fuel tank temperature sensor
harness connector (1).
NOTE:
Hold connector with your fingers, because there is no tab for
releasing stopper. Pull it out straight downward.

- Remove fuel tank temperature sensor (2) from fuel filter and fuel
pump assembly (1).

- Using a suitable tool (2), remove fuel level sensor unit (3) from
fuel filter and fuel pump assembly (1).
CAUTION:
- Be careful not to damage the fuel level sensor unit.
- Do not disassemble fuel filter and fuel pump assembly.

ASSEMBLY
- Check for damage of fuel level sensor unit installation position on the
side of fuel filter and pump assembly.
- Slide fuel level sensor unit until it aligns to installation groove,
then insert it until it stops.
- After inserting, apply force in reverse direction (removal direction) to
ensure it cannot be pulled out.
- Connect fuel level sensor unit/fuel tank temperature sensor harness
connector.
INSPECTION AFTER INSTALLATION
Use the following procedure to check for fuel leaks.
- Turn ignition switch “ON” (with engine stopped), then check connections
for leaks by applying fuel pressure
to fuel piping.
- Start engine and let it idle and check there are no fuel leaks at the
fuel system connections.
Exploded View
EVAP canister bracket
EVAP canister filter drain hose
EVAP canister filter
EVAP canister protector
EVAP hose
EVAP canister vent control valve
O-ring
EVAP canister
...
Fuel Tank
Standard and Limit
Standard and Limit
...
Other materials:
P1148 Closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible ca ...
Text messaging
WARNING
Laws in some jurisdictions may restrict
the use of some of the applications and
features, such as social networking and
texting. Check local regulations for any
requirements.
Laws in some jurisdictions may restrict
the use of “Text-to-Speech”. Check loc ...
Exterior and interior lights
* Always check with the Parts Department at a NISSAN dealer for the latest
parts information.
Map light
Interior light
Door mirror turn signal light
Headlight assembly
Fog light (if so equipped)
High-mount stop light
Trunk light
License plate light
Rear combination ligh ...
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