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The uniform lock - the general data and check of serviceability of functioning
The basis of the system laid triggering individual activators of locks each of the vehicle doors. The system consists of a control circuit, door actuators and connecting wiring. Diagnosis of failures of the system is limited to checking the status of contact connections of the circuit and the serviceability of operation of door activators. Perform deeper checks should be entrusted to specialists Car.
The functioning of a single castle is due to the operation located in the doors of the vehicle bidirectional electromagnets. Control switch has two positions: locked and the OPEN. When squeezing the switch provides power to the control relay activators of door-locks, resulting in a corresponding switching of the past. Depending on the starting position of the relay outputs to corresponding electromagnets activators voltage polarity.
On some models, a single lock system is equipped with remote control and combined with anti-theft system. The functioning of such a system is controlled by a special electronic control module. If you identify the cause of failure of the system during inspections described below fails, please consult a specialist branded service stations company Nissan.
First of all, always check the status of the protection circuit, provides a combination of fuses and circuit breakers.
Popereklyuchayte control switches in both directions, with the engine. Listen for the click, accompanying the operation of electromagnets door activators.
In the absence of clicks Check the voltage supply to the circuit breakers. If the power supply is broken, check the wiring on the circuit between the respective switch and fuse box mounting.
If power is supplied correctly, check the condition of the circuit breaker (conductivity distribution). Replace defective components.
If the switch is OK, but not audible clicks of the relay, check the wiring between the respective switch and relay. Make necessary regenerative repair.
If the relay is energized properly, but does not give power to the door actuator, check the grounding of its body. If the grounding is OK, replace the relay.
 | When a failure of one of the activators remove interior trim panel with the corresponding car door (see chap. Body) and check that the power supply to the executive electromagnetic switching control switch. One of the wires must be supplied in one of the switch position, the second - in the other. |
At a working voltage is applied, replace the solenoid.
If there is a power failure, check for open and short circuit wiring on the circuit between the solenoid and relay.
 | In most cases, wire breakage occurs in the area between the door and the body panel. |
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