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:

    Cooling fan
    Removal and Installation 1. Fan blade 2. Fan shroud and motor assembly REMOVAL 1. Drain engine coolant from the radiator. Refer to CO-12, "Changing Engine Coolant". CAUTION: Perform when engine is cold. 2. Remove air cleaner duct assembly. Refer to EM-25, "Removal and In ...

    Moving Object Detection (MOD) (if so equipped)
    The Moving Object Detection (MOD) system can inform the driver of moving objects behind the vehicle when backing out of garages, maneuvering in parking lots and in other such instances. The MOD system detects moving objects by using image processing technology on the image shown in the displ ...

    P0132 A/F Sensor 1
    Description The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sensor. The sensor element of the A/F sensor 1 is composed an electrode layer, which transports ions. It has a heater in the element. The sensor is capable of precise measurement = 1, but also in the lean and ...