The part of the electric equipment established on the car, demands a constant food for maintenance of their working capacity or memory preservation, for example, the block of engine management which can be lost at a detachment of plugs from the storage battery.
Therefore at a detachment of plugs from the storage battery for an exception of unforeseen consequences the following is necessary to remember each time:
– The engine management block will lose the information brought in memory, such as engine work on frequency of idling and various operational modes, and also all found out codes of malfunctions. After a detachment and connection of plugs of the storage battery some time for restoration of all lost parametres is required to the management block;
– On models with electric blocking of locks necessarily take a key from the lock of ignition and keep it around that it was possible to open the car after connection of the storage battery and casual operation of blocking of locks.
– Use the devices known as «keepers of memory». They will help to avoid some of aforementioned problems. As a rule, this device representing the battery with small capacity, joins in the socket instead of cigarette Lighter for the period of a detachment from the storage battery. «Keepers of memory» provide a food of the block of management of the engine for preservation of the information and codes of the malfunctions brought in memory of the block, and also ensure functioning of hours and keep the frequencies of radio stations brought in memory of a radio receiver.
At use «the keeper of memory» keep in mind that pressure moves to the electric equipment of the car, therefore before work disconnect a corresponding electric chain or a component.
– Cars are equipped by safety systems (SRS), including pillows of safety and натяжители seat belts. Before work about gauges of blow, the panel of devices and a steering column disconnect at first negative, and then positive the plug from the storage battery and wait 2 minutes It will exclude unapproved disclosing of pillows of safety and operation натяжителей seat belts which can put physical injuries.