Nissan Altima 2007-2012 Service Manual: Function diagnosis

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:

Normal operating condition
Description AUDIO SYSTEM The majority of the audio troubles are the result of outside causes (bad CD, electromagnetic interference, etc.). Noise The following noise results from variations in field strength, such as fading noise and multi-path noise, or external noise from trains and oth ...

Center speaker
Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the center speaker using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B121 and center ...

Key slot
Diagnosis Procedure 1.CHECK KEY SLOT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect key slot connector. 3. Check voltage between slot connector and ground. Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace key slot power supply circu ...