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Nissan Maxima QXsince 1993 releaseRepair and operation of the car |
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Nissan Maxima QX + Cars of the Nissan Maxima brand + Maintenance instruction + Settings and routine maintenance + Engine + Cooling systems, heating + Power supply system and release + Engine electric equipment + Control systems of the engine + Transmission + Coupling and power shafts + Brake system + Suspension bracket and steering + Body - Onboard electric equipment General information and precautionary measures Search of causes of failures of electric equipment Safety locks and fusible inserts - the general information Chain breakers - the general information The relay - the general information and check of serviceability of functioning Check of serviceability of functioning and replacement of the breaker of indexes of turns / alarm system Check of serviceability of functioning and replacement of understeering switches Check of serviceability of functioning and replacement of the switch of ignition and lock of blocking of a steering column Check of serviceability of functioning and replacement of switches of the dashboard Check of serviceability of functioning of measuring instruments of temperature of the engine and fuel consumption Removal and installation of a combination of devices Removal and installation of the radio receiver and loudspeakers Removal and installation of the antenna of the radio receiver Replacement of lamps of head headlights Adjustment of the direction of optical axes of head headlights Removal and installation of block headlights Replacement of lamps Check of serviceability of functioning, removal and installation of an electric motor of the drive of screen wipers Check of serviceability of functioning and replacement of horns of a horn Running fires of daylight (DRL) Check of serviceability of functioning and recovery repair of a heater of back glass Control system of speed (темпостат) - general information and check of serviceability of functioning The electric drive of window regulators - general information and check of serviceability of functioning The uniform lock - general information and check of serviceability of functioning The electric drive of external rear-view mirrors - general information and check of serviceability of functioning The electric drive of the top hatch - general information and check of serviceability of functioning The electric drive of front seats - general information and check of serviceability of functioning Transfer of management of functioning of onboard consumers of the electric power on dial-up lines Safety cushions - the general information + Schemes of electric connections |
The uniform lock - general information and check of serviceability of functioning Operation of individual activators of locks of each of car doors is the basis for functioning of system. The system consists of switches of management, door activators and a connecting electrical wiring. Failure diagnostics of system is limited to checks of a condition of contact connections of an electric chain and serviceability of operation of door activators. Performance of deeper checks should be charged to specialists of car service.Functioning of the uniform lock happens due to operation of the bidirectional electromagnets located in the doorway of the car. The switch of management has two provisions: It is LOCKED and is OPENED. When squeezing the switch provides giving of food on the relay of control of activators of door locks therefore there is the corresponding switching of the last. Depending on a starting position of the relay gives tension of the corresponding polarity on electromagnets of activators. On some models the system of the uniform lock is equipped with the remote control and is combined with anticreeping system. Functioning of such system is controlled by the special electronic module of management. If it is not possible to establish a system cause of failure during the checks described below, address for consultations specialists of company car repair shops of the Nissan company. First of all always check a condition of the protection of a contour provided with a combination of safety locks and breakers of a chain. Popereklyuchayte switches of management in both directions at the killed engine. Listen to the clicks accompanying operation of electromagnets of door activators. In the absence of clicks check serviceability of giving of tension for switches. If giving of food is broken, check a condition of an electrical wiring on the site of a chain between the corresponding switch and the assembly block of safety locks. If food moves regularly, check serviceability of a condition of the switch (conductivity distribution). Replace faulty components. If the switch is serviceable, however clicks of the relay are not heard, check a condition of an electrical wiring between the corresponding switch and the relay. Make necessary recovery repair. If the relay is powered regularly, however does not give food on the door activator, check serviceability of grounding of its case. If grounding as it should be, replace the relay.
At correct giving of tension replace an electromagnet. If violation of giving of food takes place, check for break and short circuit an electrical wiring on the site of a chain between an electromagnet and the relay.
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