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:
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
• Ignition relay-1 (inside IPDM E/R)
• Ignition relay-2 (inside fuse block)
• Blower fan motor relay
BCM checks any ignition relay ON request for consistency wit ...
Audio system (coupe)
System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
• Audio unit
• Window antenna
• Steering wheel audio control switches
• Door speakers
• Front tweeters
• Rear speakers
When the audio system is on, radio signals are receive ...
Steering wheel
Removal and Installation
REMOVAL
NOTE:
When reconnecting spiral cable, fix cable with a tape so that fixing case and
rotating part keep aligned. This
will omit neutral position alignment procedure during spiral cable installation.
1. Set vehicle to the straight-ahead position.
2. Remove ...