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How to Install and Configure Car Air Freshener Spray System | Easy Step-by-Step Guide

Jun 13, 2025

Enhancing your driving experience with a fresh, pleasant scent is easy with a modern car air freshener spray system. Whether you're upgrading your vehicle's interior or replacing an old system, this step-by-step guide covers everything you need to know about installing, connecting, and configuring your car perfume spray system.

PERFUME SPRAYER

The action of the perfume sprayer is based on the interaction of 4 elements

BSI

NAC

Rear air conditioning

module sprayer

Electrical and communication connections occur directly between

BSI-rear air conditioning module-perfume sprayer

Radio NAC-full control functions without additional connection (siec CAN )

Shopping:

Below perfume sprayer set

If you make purchases separately, pay attention to the atomizer module the module is twin to the air conditioning module with the difference that it has a brown 6 – pin connector while the nominal air conditioning driver this connector has black.

In newer models, this solution was abandoned in favor of a module that has an additional third connector for perfume control.

Air conditioning module without perfume Perfume air conditioning module

We have two ways of working

Or use one module, that is, replace the existing module with the air conditioner itself with one that supports perfumes.

Here there will be no big problems because the connection will come down to turning on the plugs and performing the coding.

Or attach a second rear air conditioning module and encode it for perfume handling.

Here, too, there should be no problems – most cars have a plug in the installation to

control this module – and if not, the connection looks like this:

Air conditioning main module

Rear air conditioning module-perfume sprayer

Most often, however, it consists in such a way that the brown 6 – pin plug is located in the installation at the air conditioning combine-you just need to look for it and you do not need to break additional cables.

To the module with a white socket or to the additional module with a blue socket,

just insert the plug of the perfume sprayer and all electrical connections are taken

care of.

- when I get to the beams I will try to break it down into pins of the outputs-but I

recommend working on factory beams – they are achievable besides, and so we need to stock up on the original plugs.

The perfume dispenser is mounted in the cockpit structure on the passenger side of the glove compartment.

In order to be able to allow a trouble-free installation, it is necessary to remove the storage compartment. The device has a removable removable drawer with 3 types of odors-depending on the selection in the radio menu, the airflow is directed by the appropriate smell.

For this, it is also possible to select the intensity of the smell (via automatic dosing frequency)

It is best to buy a set as below – it will save us a lot of work

This is due to the fact that the intermediate plug is used to connect the beam with a blue plug or a white plug, depending on the air conditioning module used.

Coding comes down to coding the air conditioning module

And NAC Radionavigation coding

And calling the control button – here I will add that regardless of whether there is a

physical button or not after using this encoding, both the on-screen menu and the button, if it also works

It may also be necessary to supplement the encoding with other mood functions, depending on the equipment.

E. G.

When properly connected and encoded, we should be able to call up the fragrance menu:

my set on the table does not have a physical button so I use the on-screen menu after

selecting the menu window with the key we can go to the vehicle application:

In my case, the module itself was connected – as shown in the second photo and information about the smell cartridge

If you do not encode the atomizer in the air conditioning module, the fragrance menu

cannot be called up and when you return to the vehicle application, the zapene perfume

atomizer icon disappears.

Therefore, if everything is done well, even without the smell itself, you can assess

whether the susystem is configured correctly.

Configuring and Coding the Car Spray System with Alicar act v2

Once physically installed, the next essential step is to correctly code the system to ensure functionality and integration with your vehicle's controls. This process is performed using the Alicar act v2 coding tool, a specialized device designed for automotive system programming.

Step 1: Connect the Alicar act v2 tool to your vehicle's OBD-II port.
Step 2: Launch the coding software and select the Car Air Freshener Spray System option.
Step 3: Follow on-screen instructions to perform the coding procedure. The tool communicates with your vehicle's ECU, enabling the fragrance system.
Step 4: Confirm successful programming by testing the system through your vehicle's interface.
Step 5: Adjust fragrance and spray settings via the system menu, now fully integrated thanks to the Alicar act v2 coding.

Installing a car air freshener spray system enhances your vehicle's interior environment significantly. Utilizing the Alicar act v2 coding tool ensures the system is properly programmed and integrated with your vehicle's electronics. By following this comprehensive guide, you can easily connect, install, and code your fragrance system for a personalized driving experience. Regular maintenance and correct coding guarantee smooth operation and a refreshing atmosphere on every journey.

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