8.2.1. The general information
The distributing box is established behind the power unit. The engine twisting moment through transmission and a distributing box is transferred on forward and back приводные shaft/semiaxes by means of карданных shaft.
On a design and an action principle the distributing box used on models Infiniti QX4 concerns to полнорежимным (All-mode) with elektronno-hydraulic management — below-mentioned illustrations see:
As the brain centre the module of management of automatic transmission (TCM) acts. System refusals 4WD are fixed in memory of the module of management and can be считаны by means of the scanner of type CONSULT, or on signals of a control lamp. Problem diagnostics АТ and systems 4WD should be made in the conditions of a car-care centre workshop.
Composers of the present Management do not recommend to motorists to make in house conditions of attempt of independent performance of regenerative repair of the failed distributing box. Work demands presence of special toolkit and certain qualification of the executor. Nevertheless, independent performance of procedures of removal and installation of the distributing box, which description is resulted further, will allow in essential measure to cut down the expenses connected both with repair, and with replacement of the failed assemblage.
The basic scheme of functioning of control system АТ/4WD
Base principles of functioning of a distributing box
Function chart of a hydraulic contour of management of system 4WD
Control system function chart 4WD