Infiniti QX4 service since 1996 of release
1. Introduction
2. Maintenance instruction
3. Routine maintenance
4. Engine
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. Transmission line
9. Brake system
10. Suspension bracket and steering
11. Body
12. Electric equipment
12.1. Specifications
12.2. Search of causes of failures of electric equipment
12.3. Electric sockets - general information
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 / 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-ehlektrooborudovanie.html

12. Electric equipment

Before starting service of components of systems of onboard electric equipment familiarize with requirements of safety regulations at work with electric devices.

The car is equipped with a 12-voltny onboard power supply system with grounding on a negative pole. 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 generator of an alternating current.

The description of procedures of repair and service of the electric components which are established on the car and not having the direct connection to operation of the engine is provided in the present Chapter. Information on service of such units as the storage battery, the ignition distributor, the generator and a starter is given in the Head of System of start and a charge, devoted to systems of electric equipment of the engine.

Before starting service of components of onboard electric equipment, in order to avoid receiving 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 bindings. Watch, that isolation of wires was not wiped at contact with located in the neighbourhood with a plait components.

Models of cars considered in the real Management are equipped with system of additional safety (SRS). Before starting performance of any works near the block of a safety cushion, a steering column or the dashboard, disconnect SRS in order to avoid receiving traumas at its casual operation. Electroconducting of a chain of SRS is easy for distinguishing on yellow color of isolation.

If the stereosystem established on the car is equipped with a security code before disconnecting the battery make sure that have the 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