Jeep Grand Cherokee

1993-1999 of release

Repair and car operation

Diagnostics of malfunctions

In the given Section the most simple scheme of finding-out of the reasons of malfunctions and the refusals occurring in knots and systems of a vehicle is offered. Refusals and their possible reasons are broken into groups on the basis of the relation to certain components or car systems, as for example the Engine, cooling System, etc., besides, in the text references to Chapters and Sections concerning the given problems are given.

Remember that successful end of search of causes of defect at all does not grow out of the black magic accessible to only skilled professional mechanics, and is defined by a combination of certain knowledge and the patient, regular approach to problem research. To move always follows from simple to difficult, to lead up each check to the logic end and to try not to pass the obvious facts - any can forget to fill fuel in a fuel tank or to leave for the night included lighting devices.

And at last, always it is necessary to make an accurate picture of development of malfunction and to undertake corresponding steps on relapse prevention. If refusal of an electric equipment was the result of infringement of quality of contact, check up at the same time a condition of all other contacts and electric sockets of system. If the same safety lock some times continues to fuse successively, there is no sense to continue to replace simply it is it is necessary to try to find out a cause of a failure. Remember that failure of an insignificant component can be a sign of infringement of functioning of more important knot or the whole system.