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



12.3. Electric sockets - general information

The majority of contact sockets of chains of onboard electric equipment are made of plastic and are multicontact. Reliability of a joint of half of such sockets is provided with a zashchelkivaniye of lock uvulas of the clamps built in in tips. Large sockets, such as some from located under the car dashboard, are fastened passed through the central part of tips by through bolts more often.

For a rassoyedineniye of the sockets equipped with plastic clamps the small screw-driver to which should wring out accurately lock uvulas (previously attentively usually is used study a design of the joined socket — often to measure a way of fixing of its half by eye not so simply; some sockets are equipped with several lock knots). Pull only for the tip, and at all for an electroconducting plait, in order to avoid casual damage of the contact plugs built in in the socket.

Sockets always consist of two half plugs of one of which enter in plugs another. When studying schematic images of sockets try to define first of all what of its half it is presented on an illustration — connected to a plait, or fixed on a component. Remember that plugs of one half of the socket always are placed specularly in relation to plugs another.

Often at problem diagnostics of electric chains there is a need of check of tension on plugs of the joined socket.

At such checks щуп a measuring instrument it is entered into the corresponding plug from the back party of the tip.

Be careful, try not to bend and not to deform plugs. If nests of plugs are too small, use in quality щупа the unbent metal writing paper clip to which then it is possible to connect a measuring instrument wire by means of a type clip a crocodile.

«on page back
12.2. Search of causes of failures of electric equipment
on the following page»
12.4. Safety locks and fusible inserts - the general information