Nissan Altima 2007-2012 Service Manual: On-vehicle repair
On-vehicle maintenance
FUEL SYSTEM
Inspection
Inspect fuel lines, fuel filler cap and fuel tank for improper attachment,
leaks, cracks, damage, loose connections, chafing or deterioration.
If necessary, repair or rep ...
Fuel level sensor unit, fuel filter
and fuel pump assembly
Exploded View
1. Lock ring
2. Fuel level sensor unit, fuel filter and
fuel pump assembly
3. O-ring
4. Fuel Tank
Removal and Installation
REMOVAL
WARNING:
Read “General Precautions” bef ...
Other materials:
ECU diagnosis
BCM (BODY CONTROL MODULE)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
Terminal Layout
Physical Values
1: Sedan only
2: With LH front window anti-pinch
3: With LH and RH front window anti-pinch
4: With Intelligent Key
5: Without Intelligent K ...
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Using “FUEL M ...
Sunload sensor
Description
COMPONENT DESCRIPTION
The sunload sensor (1) is located on the LH tweeter grille. It detects
sunload entering through windshield by means of a photo diode. The
sensor converts the sunload into a current value which is then input
into the front air control.
SUNLOAD INPUT PROCESS
...
