Daytime running lights (Eurolight or DRL) on Nissan X-Trail T31 (2007–2013) often become a headache for owners. The reasons are varied: from a discharged battery due to constant lamp operation to the desire to install alternative lighting (for example, LED strips or xenon). However, the standard system automatically turns on DRL when starting the engine, and there are no standard settings for disabling them in the menu.

In this article we will analyze three working methods for deactivating Eurolight - from software shutdown via the diagnostic connector to physical removal of the fuse. Each method is tested on X-Trail T31 with petrol (MR20DE, QR25DE) and diesel (M9R) engines. Important: some manipulations require basic skills in working with electronics - if you have never held a multimeter in your hands, it is better to contact an auto electrician.

Why do owners want to disable DRLs on the X-Trail T31

European safety standards (ECE R87) oblige car manufacturers to install daytime running lights on all cars sold in the EU. However, for Russian conditions this function is not always justified. Here are the main reasons why drivers are looking for ways to turn off the Eurolight:

  • 🔋 Low battery: DRL consumed up to 20–30 W energy, which is critical for short trips or in cold weather.
  • 💡 Lamp burnout: Standard halogen lights H8 (or H11 depending on the configuration) serve no more than 1–1.5 years with constant work.
  • 🚨 Conflict with PTS: In some regions, traffic police inspectors require that DRLs be turned off if they are not certified for Russia.
  • 🔧 Lighting modding: When installing LED optics or angel eyes, standard DRLs interfere with the implementation of a unified lighting concept.

In addition, on X-Trail T31 with automatic climate control DRLs can create additional load on the generator, which leads to floating speed at idle speed. This is especially noticeable on diesel versions (M9R).

⚠️ Attention: Disabling DRLs may affect vehicle inspection. In 2026, in Russia there is a rule according to which daytime running lights mandatory for vehicles of categories M1 and N1 (passenger cars and trucks up to 3.5 tons). Before deactivation, check the current requirements with your local MREO.

Method 1: Disconnection via fuse (simplest method)

If you need temporary shutdown of DRL (for example, for diagnostics or replacement of lamps), it is enough to remove the corresponding fuse. On Nissan X-Trail T31 The fuse controls the daytime running lights F37 (10A), located in salon block (under the steering wheel, to the left of the pedals).

Step by step instructions:

  1. Open the fuse box cover (pull the latch at the bottom of the panel).
  2. Find the fuse F37 (there is a diagram on the block cover).
  3. Remove it with tweezers or pliers.
  4. Check the operation of the DRLs - they should go out.

Advantages of the method:

  • ⚡ Fast (takes no more than 2 minutes).
  • 🔄 Reversible (just insert the fuse back).
  • 💰 Free.

Disadvantages:

  • 🚫 DRLs will be completely disabled, even if you want to turn them on.
  • ⚠️ Risk of forgetting to return the fuse, which can lead to errors on the dashboard (Check DRL).

Do the DRLs light up when starting the engine?

Are there any errors on the dashboard|

Do the headlights and low beams work?

Battery condition (voltage not lower than 12.4V) -->

Method 2: Software shutdown via diagnostic connector (OBD-II)

For those who don't want to bother with fuses or are afraid of the consequences, there is a more elegant way - disabling DRL via diagnostics. You will need:

  • Adapter ELM327 (or equivalent) with protocol support CAN.
  • Laptop/smartphone with program Nissan Consult III+ or Nissan DataScan.
  • Basic knowledge of working with diagnostic software.

Algorithm of actions:

  1. Connect the adapter to the connector OBD-II (located under the steering wheel, to the left of the column).
  2. Launch the program and select a model X-Trail T31.
  3. Go to section BCM (Body Control Module) → Configuration.
  4. Find the parameter Daytime Running Lights (DRL) and set the value Disabled.
  5. Save the settings and restart the on-board computer (turn off/on the ignition).

This method does not reset after removing battery terminal, as opposed to removing the fuse. However, there are nuances:

  • 🔧 Requires licensed software (pirated versions may damage the firmware BCM).
  • 📱 On smartphones the process is less stable - it is better to use a laptop.
  • ⚠️ Error while writing settings may cause the central locking or alarm system to malfunction.
What should I do if the Check Engine light comes on after turning off the DRL?

If after a software shutdown an error appears on the dashboard P0500 (DRL circuit malfunction), follow these steps:

1. Connect to OBD-II again and reset errors through the menu DTC → Clear Codes.

2. If the error returns, return the DRL settings to Enabled and contact an auto electrician - there may be a problem in the wiring or the BCM.

3. As a last resort, you can turn off the fuse F37 physically, but then an error Check DRL will light up constantly (not critical for the operation of the car).

For those who do not want to take risks, there is an alternative - DRL emulator. This is a small device that is connected instead of standard lamps and “deceives” the on-board computer, simulating their operation. The cost of the emulator is from 800 to 1500 rubles.

Method 3: Flashing the BCM (for advanced users)

The most radical, but also the most reliable method is body control module (BCM) firmware modification. This allows you not only to turn off the DRLs, but also to configure other lighting parameters (for example, make the headlights light up along with the low beam).

For flashing you will need:

  • Cable Nissan Consult III (original or high-quality clone).
  • Program Nissan EcuEdit or WinKFP.
  • Firmware file with disabled DRLs (can be found on specialized forums, for example, x-trail.su or drive2.ru).
  • Backup copy of current firmware (required!).

Step by step instructions:

  1. Remove the negative terminal from the battery for 10 minutes (error reset).
  2. Connect the cable to OBD-II and laptop.
  3. Read current firmware BCM (the file usually has the extension .bin).
  4. Open the file in HxD Hex Editor and find the bytes responsible for DRL (for X-Trail T31 these are the addresses 0x1F4A–0x1F4D).
  5. Replace the values with 01 on 00 (disable) and save the file.
  6. Upload the modified firmware back to BCM.
⚠️ Attention: Incorrect firmware BCM may lead to complete inoperability of the car (the doors will not open, the engine will not start). If you are not confident in your skills, entrust this procedure to professionals. The cost of flashing the service is from 3000 to 5000 rubles.

Advantages of the method:

  • 🔧 Full control over lighting settings.
  • 🔄 Possibility to return everything back (if the original firmware is saved).
  • 🚗 There is no physical interference with the wiring.

Disadvantages:

  • 💻 Requires deep technical knowledge.
  • ⚡ Risk of bricking the block BCM.
  • 🕒 Takes a lot of time (2-3 hours for a beginner).

Removing the fuse|

Software shutdown via OBD-II|

Flashing BCM|

Installing the DRL emulator|

I haven't decided yet-->

Common mistakes and how to avoid them

Even when following instructions, owners Nissan X-Trail T31 often encounter problems. Here are the most common mistakes and ways to solve them:

Error Reason Solution
After turning off the DRLs, the headlights do not work fuse F37 is also responsible for the dimensions in some trim levels Check the fuse F38 (15A) — it duplicates the chain of dimensions
Lights up on the dash Check DRL The on-board computer detected a break in the DRL circuit Disable the error via diagnostics or install an emulator
DRLs came on again after removing battery terminal Settings reset BCM Repeat the software shutdown or reflash the unit
When flashing BCM the car won't start Incorrect firmware or interrupted writing process Restore the original firmware via Nissan Consult or contact service

Another typical problem is DRL flickering after switching off. This happens because the block BCM continues to pulse the lamps. Solution:

  • Install capacitor parallel to the DRL circuit (capacitance 1000 µF).
  • Or replace the halogens with LED lamps with built-in stabilizer (For example, Osram LEDriving).
💡

Before any manipulation with electronics Nissan X-Trail T31 disconnect the negative terminal of the battery for 5–10 minutes. This will release the residual charge in the capacitors and protect the control units from voltage surges.

Alternative solutions: what to do instead of turning off the DRLs

If you don't care exactly turn off Eurolight, and it is important to solve the problem (for example, a low battery or burnt out lamps), consider alternative options:

  • 🔋 Install the AGM battery: It can withstand frequent discharge/charge cycles better. For X-Trail T31 will do Bosch S5 A05 (74Ah) or Varta Silver Dynamic (77Ah).
  • 💡 Replace halogens with LEDs: LED lamps H8/H11 consume 3–4 times less energy. Recommended models: Philips X-tremeUltinon or Cree LED.
  • ⚡ Add a delay relay: It will turn off the DRL 30 seconds after the engine stops, preventing the battery from draining.
  • 🔧 Reset BCM to European mode: Some firmwares have an option DRL with position lights, in which DRLs work only together with the dimensions.

If your goal is improve appearance, pay attention to angel eyes or LED strips in the bumper. They consume minimal energy and look more modern than standard DRLs. The main thing is to connect them via a relay so as not to load the standard wiring.

💡

Disabling DRL on Nissan X-Trail T31 does not affect the operation of the low beam or dimensions if done correctly. However, before making changes, check the current requirements of the traffic police - in some regions, the absence of daytime running lights may result in a fine (1000 rubles under Article 12.5 of the Administrative Code).

FAQ: Answers to frequently asked questions

Is it possible to disable DRLs on the X-Trail T31 without consequences for the electronics?

Yes, if you use one of the described methods (fuse, software shutdown or emulator). However, in rare cases, after a physical shutdown (F37) an error may appear Check DRL, which does not affect the operation of the car, but is annoying on the dashboard. To remove it, you will need diagnostic equipment.

Will there be an error light on the dash after removing the DRL fuse?

Depends on the year of manufacture and configuration. On X-Trail T31 before 2010 the error usually does not appear. On newer versions (2011–2013) it may light up Check DRL, but this is not critical - the car will drive normally. If the error is annoying, install an emulator or disable DRL programmatically.

Is it possible to turn off the DRL on only one headlight?

Technically yes, but it will break the symmetry and may attract the attention of traffic police inspectors. To disable the DRL on the right or left side only, locate the power connector on the back of the headlight and disconnect the wire +12V (usually red or yellow). However, it is better not to do this - uneven lighting impairs the visibility of the car for other road users.

What is the most reliable method for turning off DRLs?

The most reliable way is BCM unit flashing, since it does not reset after removing the battery terminal and does not require physical intervention. However, this is also the most difficult method. For most owners, the best option would be software shutdown via OBD-II (if you have an adapter) or installing the emulator (if you want to avoid errors on the tidy).

Is it possible to disable the DRLs on the X-Trail T31 using the mobile app?

No, standard mobile applications (for example, Torque Pro or OBD Car Doctor) do not allow you to turn off the DRL. To do this you need specialized software like Nissan Consult III+ or Nissan DataScan, which only works with a full-fledged diagnostic cable, and not with cheap Bluetooth adapters.