The lighting system is a critical safety element of any vehicle, and Nissan Qashqai the first generation (J10 body) is no exception. When the warning light on your instrument panel comes on or you notice that one of your brake lights doesn't work when you press the brake pedal, it requires immediate attention. Ignoring this problem can lead to fines from traffic police inspectors and, much worse, to an accident due to the fact that the driver behind does not see the brake signal.
Many crossover owners Nissan Qashqai J10 are faced with the need to regularly replace lamps, since they have a limited service life. The replacement process seems simple, but requires an understanding of the flashlight design and the correct selection of analogues. In this article, we will look in detail at what types of lamps are used, how to replace them correctly, and what to look for when diagnosing an electrical circuit.
Types of lamps and electrical lighting circuit
To make a correct replacement, you need to know exactly the type of base and power of the lamp installed in your car. In the back Nissan Qashqai J10 standard solutions adopted by the automaker for this period are used. The rear combination lamps use incandescent lamps of a certain standard, which provide the brightness necessary for visibility at night.
The main load falls on the brake light lamp, which should operate instantly. Most configurations use a two-pin lamp P21/5W. This part combines two functions: one filament is responsible for the side light (12 Volts, 5 Watts), and the second, more powerful one, is responsible for the brake light (12 Volts, 21 Watts). If you are looking for a replacement, make sure you buy the two-pin version.
Sometimes owners try to install more modern analogues, such as LED modules. Although they last longer and use less power, it may cause errors in the on-board computer or the brake light to flash when the engine is running due to differences in circuit resistance. Original incandescent lamp remains the most reliable and recommended choice for standard electrics.
- Original type of base: P21/5W (double filament)
- System supply voltage: 12 Volt (standard for passenger cars)
- Recommended brands: Osram, Philips, Narva (guaranteed stable operation)
Causes of premature burnout
If your Nissan Qashqai requires replacing the brake light more often than once every 2-3 years, it is worth thinking about the reasons for this situation. Frequent replacement is not always the fault of the lamp manufacturer. In the vast majority of cases, the problem lies in overheating or improper installation. Contact with the skin of your hands during installation can leave a greasy coating on the bulb, which, when heated, leads to local overheating of the glass and rapid failure.
It is also worth checking the condition of the cartridge and contacts. Oxidation of the contacts in the connector can cause voltage surges that are detrimental to the thin filament. Moisture entering the lamp due to a broken seal is also a common cause of short circuit and burnout of the fuse or the lamp itself.
Often the problem lies in the brake switch itself, located under the pedal. If the switch contacts become burnt or stuck, it can create current surges. In this case, replacing the bulb will not provide long-term results and you will need to replace the brake light switch itself.
β οΈ Attention: Never touch the glass bulb of an incandescent lamp with your fingers. Fat from the skin leaves micro-scale, which, when heated to 300 degrees, destroys the glass from the inside. If you accidentally touch the lamp, wipe it with alcohol before installing it.
- Original incandescent
- Light-emitting diode (LED)
- Halogen
- I don't know for sure
Step-by-step instructions for replacing the lamp
Replacement process Nissan Qashqai J10 It is quite simple and does not require specialized tools. All you need are new bulbs and perhaps a flat head screwdriver to remove the retaining clips if they are stuck. The main thing is to act carefully so as not to damage the fragile plastic of the flashlight or wiring.
First, open the trunk and look for the plastic trim on the side of the faulty light. You will need to remove two or three plastic fasteners (clips) holding the trim in place. Use a screwdriver or your fingers to pry them open and carefully move the trim away to get to the back of the headlight. Next you will see three or four nuts securing the light to the body.
Unscrew the nuts, but do not remove the light completely, as it may be connected to the wiring. It is enough to pull it back a little to gain access to the lamp socket. The brake light socket is usually red or black and is rotated counterclockwise 90 degrees for removal.
βοΈ Tools and preparation
Remove the socket, press the latch and remove the old lamp. Insert the new one, making sure it fits snugly. Insert the socket back into the flashlight and turn it clockwise until it clicks. Reassemble everything in reverse order.
- Check the operation of the brake light by pressing the brake pedal with an assistant
- Make sure that the trunk trim is in place without distortion
- Check if the wiring is pinched when closing the trunk lid
Diagnostics of electrical circuit and fuses
If the brake light still doesn't come on after replacing the bulb, the problem is most likely deeper. The first step is to check the fuse box. B Nissan Qashqai J10 the unit is located in the engine compartment and, in some trim levels, in the passenger compartment on the driverβs side. You need to find the fuse that controls the brake light circuit.
This is usually a fuse marked STOP or amperage designation 10A-15A. Visually checking the integrity of the thin thread inside the fuse can be difficult, so it's best to use a multimeter or test light. If the fuse is good, the problem may be in the relay or wiring.
It is also worth paying attention to the brake light switch (pedal limit). It is located directly above the brake pedal. Over time, its plastic pusher can break or jam, causing the contact to not close. A simple test: try lightly pressing the pushrod or pressing it with your finger while an assistant watches the brake lights.
β οΈ Attention: Do not try to βbendβ the contacts in the fuse or use jumpers. This could result in a fire in the wiring and serious damage to the vehicle. If the fuse is blown, find the cause of the short circuit before installing a new one.