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:
P0075, P0081 IVT control solenoid
valve
Description
Intake valve timing control solenoid valve is activated by ON/OFF
pulse duty (ratio) signals from the ECM.
The intake valve timing control solenoid valve changes the oil
amount and direction of flow via the intake valve timing control unit
or stops oil flow.
The longer pulse w ...
Electric ignition system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM through CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
Firing order: 1 - 3 - 4 - 2
The ignition tim ...
BCM
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuse or fusible link are blown.
Is the fuse or fusible link blown?
YES >> Replace the blown fuse or fusible link after repairing the affected
circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. ...