Nissan Altima 2007-2012 Service Manual: Power generation voltage variable control system

System Diagram

System Description


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 generator is reduced and fuel consumption is decreased.

NOTE: When any malfunction is detected in the power generation variable voltage control system, power generation is performed according to the characteristic of the IC regulator in the generator.

Component Description

Component diagnosis


    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 re ...

    Other materials:

    Can communication circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CONNECTOR INSPECTION 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect all the unit connectors on CAN communication system. 4. Check terminals and connectors for damage, bend and loose con ...

    Fender protector
    Removal and Installation 1. Fender protector 2. Fender protector side cover A. J-clips B. Clips C. Center mudguard screw a. Sheet metal nut REMOVAL 1. Remove the engine under cover. Refer to EXT-34, "Removal and Installation". 2. Remove the screw from center mudguard. 3 ...

    Rear-facing child restraint installation using LATCH
    Refer to all Warnings and Cautions in the “Child Safety” and “Child Restraint” sections before installing a child restraint. Follow these steps to install a rear-facing child restraint using the LATCH system: 1. Position the child restraint on the seat. Always follow the child restra ...