Service Infiniti QX4 since 1996 of release
1. Introduction
2. The maintenance instruction
3. Routine maintenance
4. The engine
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. A transmissionnaja line
9. Brake system
10. A suspension bracket and a steering
11. A body
12. An electric equipment
12.1. Specifications
12.2. Search of causes of failures of an electric equipment
12.3. Electric sockets - the general data
12.4. Safety locks and fusible inserts - the general information
12.5. Chain breakers - the general information
12.6. The relay - the general information and check of serviceability of functioning
12.7. Check of serviceability of functioning and replacement of the breaker of indexes of turns / the alarm system
12.8. Replacement of lamps of lighting devices
12.9. Check of serviceability of functioning and regenerative repair of a heater of back glass
12.10. System of additional safety (SRS)
12.11. Schemes of electric connections


12. An electric equipment

Before to start service of components of systems of an onboard electric equipment familiarise with requirements of safety precautions regulations at work with electric devices.

The car is equipped 12-voltnoj by onboard system of power supplies with grounding on a negative pole. The supply of electricity to lighting devices and other consumers is carried out from the storage battery of the lead-acid type which additional charge is made from the alternating current generator.

In the present Chapter the description of procedures of repair and service of the electric components which are established on the car and not having the direct relation to work of the engine is resulted. The information on service of such units as the storage battery, the ignition distributor, the generator and a starter is resulted in the Head of System of start and a charge, devoted to systems of an electric equipment of the engine.

Before to start service of components of an onboard electric equipment, in order to avoid reception of an electric shock, or ignition as a result of casual short circuit, it is necessary to disconnect a negative wire from the battery. Regularly check a condition of plaits of electroconducting and reliability of their fastening in intermediate clamps, collars and обвязках. Watch, that isolation of wires was not wiped at contact with located on the neighbourhood with a plait components.

Models of cars considered in the present Management are equipped by system of additional safety (SRS). Before to start performance of any works near to the block of a pillow of safety, a steering column or the instrument panel, disconnect SRS in order to avoid reception of traumas at its casual operation. Electroconducting of chain SRS is easy for distinguishing on yellow colour of isolation.

If the stereosystem established on the car is equipped by a security code before to disconnect the battery make sure that have a correct combination for audiosystem input in action!

On page back
11.9. Service of loops and car locks
On the following page
12.1. Specifications