Nissan Altima 2007-2012 Service Manual: Charging system

System Diagram

System Description

The generator provides DC voltage to operate the vehicle's electrical system and to keep the battery charged.

The voltage output is controlled by the IC regulator.

Component Description

    Power generation voltage variable control system
    System Diagram System Description Power generation variable voltage control system has been adopted. By varying the voltage to the generator, engine load due to power generation of the genera ...

    Other materials:

    Communication signal circuit (sedan) satellite radio tuner
     Description Communication signals are exchanged between the audio unit and satellite radio tuner using the communication circuits.  Diagnosis Procedure 1.CHECK HARNESS - 1 1. Turn ignition switch OFF. 2. Disconnect satellite radio tuner (factory installed) connector B123 and au ...

    BCM branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...

    P0125 ECT sensor
    Description The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change i ...