Often owners Nissan Almera Classic They are faced with an unpleasant situation when the windshield wipers stop working in rainy weather. In most cases, the reason lies not in a serious breakdown of the electric motor, but in a banal burnout of a protective element. Wiper fuse - This is the first thing that needs to be checked when diagnosing a malfunction of the windshield cleaning system.
Ignoring this simple procedure can result in you wasting time and money replacing a working mechanism, although the problem can be solved in five minutes. Correct diagnosis begins with understanding the power supply circuit and the location of protective units in the vehicle.
Location of fuse boxes on Nissan Almera Classic
To get to the desired element, you need to know where exactly the protection blocks are located. B Nissan Almera Classic There are two main places for their installation. The first is located in the engine compartment, and the second is located directly inside the car, on the driver’s side.
In the engine compartment there is the main power unit, where fuses for powerful consumers, such as a cooling fan or headlights, are located. However, the windshield wiper system most often requires looking into the interior unit. It is hidden behind a decorative panel on the dashboard, to the left of the steering column.
To access the interior unit, you need to open the cover. It is usually secured with latches that give in easily when pressed. Be careful not to damage the plastic when dismantling. If the cover does not budge, check for hidden screws, although most Almera Classic Only clip fastening is used.
Wiper fuse identification
Once the cover is removed you will see a row of fuses and relays. For an accurate search, use the diagram, which is usually pasted on the inside of the lid or duplicated in the operating instructions. You need to find the element designated as WIPER or FR WIPER.
Pay attention to the color coding and denomination. The standard fuse for the wipers in this model has a current strength of 15A or 20A, which corresponds to the blue or yellow color of the case. By confusing them with neighboring elements, you can disable the turn signals or cigarette lighter.
It is important to check the relay if the fuse itself is intact. The block often contains a relay responsible for the cyclic operation of the wipers. Its absence or malfunction may simulate a blown fuse. Use a multimeter or test light to check continuity.
- Completely do not work
- Only work in one mode
- Work intermittently
- Glass is poorly cleaned
Step-by-step replacement instructions
The replacement process does not require special skills or complex tools. All you need is tweezers, which are often built into the fuse box itself, or a regular thin screwdriver. The main thing is to act carefully so as not to close the contacts.
First, make sure the ignition is turned off and the keys are out of the lock. Remove the blown fuse by pulling it up. Visually inspect the metal jumper inside the plastic housing: if it is torn or blackened, the element must be replaced.
Install a new fuse with the same rating. Under no circumstances should you try to temporarily replace it with wire or foil. This may cause the wiring to catch fire the next time it is loaded. Insert the new element until you hear a characteristic click, making sure it fits tightly.
☑️ Preparing to replace the fuse
⚠️ Caution: If the new fuse blows immediately after installation, this indicates a short circuit or faulty windshield wiper motor. In this case, further independent replacement is pointless; it is necessary to look for the cause in the wiring or mechanism.
Causes of burnout and circuit diagnosis
Why does it burn wiper fuse? Most often this happens due to an overload of the electric motor. If the mechanism is frozen in winter or clogged with dirt, it experiences increased resistance, which leads to a surge in current and a break in the protective jumper.
Another reason may be a violation of the wire insulation. In the engine compartment, wiring is exposed to moisture, reagents and temperature changes. Over time, the braid may fray and the wire will short to ground. Check the wiring harness going to the wiper motor.
It is also worth paying attention to the condition of the wiper gearbox. If the gears are worn out or the plastic bushing is broken, the motor will run rough. This creates impulse overloads that eventually destroy the fuse even without an obvious short circuit.
What to do if the fuse does not blow and the wipers do not work?
If the fuse is good, the problem may be in the relay. Try replacing the relay with a known good one, for example, from a signal or headlights. Also check the contacts on the connector of the windshield wiper motor itself - they could have oxidized or burned out. In rare cases, the body control module (BCM) fails, but this requires computer diagnostics.
Table of denominations and designations
For convenience, we have collected basic data on fuses associated with the glass cleaning system in Nissan Almera Classic. Use this table as a reference when reviewing.
| Purpose | Marking | Denomination (A) | Color |
|---|---|---|---|
| Windshield wipers (windshield wipers) | WIPER | 15 | Blue |
| Washer motor | WASHER | 10 | Red |
| Wiper control unit | BCM | 7.5 | Brown |
| Rear wiper (if equipped) | R WIPER | 10 | Red |
⚠️ Attention: Use only original fuses or high-quality analogues of well-known brands. Cheap Chinese copies may have a lower real value, which will lead to constant burnouts, or an overestimated value, which will not protect the wiring.
Before installing a new fuse, always clean the contacts in the socket from oxidation or dust using a dry cotton pad. This will ensure reliable contact and prevent heating.
Features of winter operation
In winter, the load on the windshield wiper system increases many times over. Ice and accumulated snow create enormous resistance for the brushes. Owners often try to turn on the wipers when they are frozen to the glass, which is almost guaranteed to blow the fuse.
Always clear the windshield of ice before turning on the system. If your windshield wipers are frozen, use hot water or special washer antifreeze, but do not try to force them to work. The electric motor is not designed for such torque.
Check the condition of the windshield wiper blades. Old, oak rubber bands not only do not clean the glass well, but also increase friction, causing the motor to idle. Replacing brushes is a cheap way to extend the life of your electrical system.
Relay and wiring diagnostics
If replacing the fuse does not help, the next step is to check the relay. In the block Nissan Almera Classic The wiper relay is often located next to the fuse itself. Try swapping it with an identical relay from another node, for example, from an audio signal.
The wiring to the wiper motor runs through a rubber corrugation in the doorway or under the hood. Insulation often cracks where it bends. Visually inspect the harness and test it with a multimeter for a break or short to the housing.
Sometimes the problem lies in the motor itself. If the motor shaft is soured or the brushes are worn out, the current consumption increases. In this case, only replacing or repairing the electric motor will help. Before replacing the motor, be sure to check the resistance of its windings to avoid false diagnostics.
Regular cleaning of the blades and checking their condition is the best prevention of blown wiper fuses in winter.
Frequently asked questions and answers
What should I do if the wipers work but do not return to their original position?
This is a problem with the return mechanism, which is built into the wiper motor gearbox. Inside there is a contact group that turns off the motor at the desired point. If the contacts are burnt or the spring is weakened, the wipers will stop anywhere. The gearbox needs to be repaired or replaced.
Can I use a lower rated fuse?
No, this will result in permanent system shutdowns during normal operation. If you use an element with a lower operating current, it will not be able to withstand the starting currents of the electric motor.
Where is the wiper relay located on Almera Classic?
The relay is located in the interior fuse box, usually in the top row. The exact location is indicated in the diagram on the block cover. On some modifications, the relay can be placed in a separate block under the hood.
Why does the fuse blow if the wipers don't turn on?
This may indicate a short circuit in the wiring that occurred even without turning on the system (for example, due to damage to the harness insulation). It is also possible that there is a short inside the motor itself, even if it does not start.
Do I need to remove the battery terminal when replacing?
This is not necessary to replace the fuse, since the circuit is broken by the element itself. However, for safety and to prevent accidental shorting of the tool to the body, it is better to remove the negative terminal before starting work.