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
 












12-5-preryvateli-cepi-obshhaya-informaciya.html

12.5. Chain breakers - the general information


Arrangement of two breakers of a chain in салонном the assembly block of safety locks / of the relay

Chain breakers are used for protection of such components of system of an onboard electric equipment, as head headlights and drive electromotors steklopodemnikov/covers of the top hatch / of door-locks, etc. (see an illustration above).

On some models after operation breakers revert to the original state automatically. If causing switching-off of the breaker the overload had not incidental character, it is necessary to check up a condition of a corresponding contour immediately. After elimination of malfunction the chain breaker enters again into a normal mode of functioning. Sometimes return of the breaker to a working condition should be made manually after elimination of the reason of an overload.

For breaker introduction in a working condition disconnect a negative wire from the battery.

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!

Take the breaker, pass a thin core in specially provided aperture in the case and push it in an aperture before click. Then it makes sense to make sure by means of an ohmmeter available conductivity between plugs of the breaker and only after that to establish it into place.


On page back
12.4. Safety locks and fusible inserts - the general information
On the following page
12.6. The relay - the general information and check of serviceability of functioning