Nissan Altima 2007-2012 Service Manual: Function diagnosis
- Intelligent key system/engine start function
- NVIS (Nissan vehicle immobilizer system-nats)
- Vehicle security system
- Diagnosis system (BCM)
Inspection and adjustment
ECM RE-COMMUNICATING FUNCTION
Description
Performing following procedure can automatically perform re-communication of
ECM and BCM, but only when
the ECM has been replaced with a new one (*1).
...
Intelligent key system/engine start function
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
• The engine start function of Intelligent Key system is a system that makes
it possible to start and stop ...
Other materials:
Spark plug
Removal and Installation
1. Ignition coil
2. Spark plug
3. Rocker cover RH
4. Rocker cover LH
REMOVAL
1. Remove the ignition coil. Refer to EM-145, "Removal and Installation LH"
and EM-145, "Removal and
Installation RH".
2. Remove the spark plug with a suitable spa ...
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 replace damaged parts.
Quick Connector
CAUTION:
• After connecting fuel tube quick connectors, m ...
Fuel pump
Description
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
The ECM activates the fuel pump for several seconds after the ignition switch is
turned ON to improve engine
start ability. If the ECM receives a engine speed signal from the camshaft ...