Wiring diagram for connecting speakers of the Lada Largus audio system

There are a lot of scattered pinouts floating around on the net, but they almost never come across a detailed description of a narrow 24-pin connector and a small 8-pin one. Usually they write only about the 12-pin one, where the power and acoustics are. A kind person shared with me the pinout of all the connectors, I checked it on my restyled Duster and am sharing it with the readers of my BZ.

But you all probably already knew this. But I didn’t find complete information on the 24-pin connector

1 - plus 12V comes to this contact if the instrument lighting is turned on. Turns on the backlight of the + - and Power buttons on the Medianav. It works even if there is no power supplied to the device itself. 2 - plus 12V is supplied to this contact if the ignition is on. If there is no voltage on this contact after some time, about 20-25 minutes, MediaNav Evolution turns off 3 - +12V comes here from the gearbox, if the shift lever in position R 4- hangs in the air 5- TX service port of the sound chip - I haven’t checked this, 6- RX service port of the sound chip is not connected in the block - I have not checked this, it is not connected in the block 7- External microphone signal 8 - + power supply for external microphone 9- + 6V for powering the standard camera - power is supplied only if there is 12V on pin 3 10 - positive signal wire of the standard camera 11 - plus of the second linear input (this input is blocked by software) - I don’t have it connected 12 - turns on the second linear input if it is unlocked by software when shorted to ground - I don’t have it connected 13 - where the speed signal comes from something from the dashboard. Affects volume control depending on the speed 14 - +12V is supplied here if the ignition is present 15 - CAN bus 16 - CAN bus 17 - in the air 18 - in the air 19 - minus the external microphone 20 - in the air 21 - minus for powering the camera (without interference) 22 - minus the camera signal 23 - minus the second linear input - I don’t have it connected 24 - minus for the screen of the second linear input - I don’t have it connected

Lada Largus is largely copied from models of the French brand Renault. And this applies not only to components and assemblies, but also to the standard radio. For example, the Renault Duster, Sandero, Logan models have exactly the same audio system head units. There is nothing surprising in this, because the assembly of these cars is completely organized in Russia. On Largus, the standard radio can only be seen in the “luxury” or “standard” configuration.

How to install

Some cars come from the factory with a 1 DIN car radio with CD player. Basic versions are equipped only with audio preparation; a plastic plug is mounted instead of the head unit.

To install the radio on Largus with your own hands, you need to:

1. After removing the plug, place guide slides with locks in the instrument panel.
2. Secure the mounting assembly using the tabs located around the perimeter of the part. Bending is done with a screwdriver; the installed shaft should not vibrate or make any extraneous sounds.
3. Connect the ISO connectors located on the standard wiring to the head unit.
4. Connect the antenna plug to the socket on the radio. If the sizes and shapes of connectors and plugs do not match, appropriate adapters are used.
5. Insert the audio device into the shaft and push it until it clicks, indicating that the latches engage.
6. Install a decorative frame around the radio panel.

Some owners install 2 DIN size radios on their Lada Largus. To place the head unit, it is necessary to replace the front plastic trim on the instrument panel, since it is impossible to accurately modify the original one.

The original panel is secured with latches, which can be removed manually or with a plastic screwdriver inserted into the gap between the parts.

The front panel with an extended window requires modification - it is necessary to install control buttons for additional equipment on it, borrowed from the Renault Logan sedan; original elements from Largus cannot be placed. This is due to the fact that the panel is designed for oval-shaped keys, which were never used on Largus.

At the same time, the mounting sockets for installing mounting clips are being finalized.

In the instrument panel, it is necessary to remove the horizontal jumpers located near the socket of the standard radio and climate control controls. Dismantling is carried out with a hacksaw and wire cutters, the remaining elements are cut off with a construction knife. All manipulations are carried out with caution, since there is a risk of damage to the standard electrical wiring. Then you need to reinstall the center console to assess the contact density of the elements.

Since the original wiring has cables with colored insulation that does not comply with the ISO standard, it will be necessary to compare the assignments of each element on the car and the radio. An adapter is used for connection; wire switching is allowed by twisting the necessary cables. It is recommended to reinforce the joints with tin-lead solder or a metal connecting sleeve. The connection point is covered from above with a heat-shrinkable tube, which provides protection from moisture and short circuits.

Useful tips

Instead of a 1 DIN device, you can install 2 DIN on the Lada Largus. To accommodate it, you need to update the front trim on the dashboard. It is impossible to improve the original one. It won't look neat. In the panel, remove the jumpers located near the connector for the radio and climate control controls.

The front panel with a wide window will require some work. You need to install control keys for additional equipment. They are borrowed from Renault Logan. Elements from Largus cannot be placed. Initially, the panel was designed for oval buttons.

The original wiring has colored insulation. It is not ISO compliant, which means you will need to match the functionality of the items on the machine and on the device.

How to connect a radio

Connecting the head unit depends on the vehicle modification. When installing the radio, you need to firmly snap the ISO plugs in place, and then reinstall the antenna connector.

If the product is equipped with a wired remote control, it is located on the steering column or the front of the instrument panel. The wire is laid inside the panel along the standard lines of the electrical harnesses.

With 2 speakers

The 2-speaker circuit is used only on cargo vans; the loudspeakers are located in the doors under the plastic panels.

The radio is ready for use immediately after connecting to the standard connectors. The car owner can install additional speakers in the cabin by laying separate speaker wires to them.

With 4 speakers

On passenger versions, 4 speakers are used, which improves the sound quality in the cabin. The wiring has a separate harness leading to the speakers in the rear doors.

The connection does not require any additional modifications to the vehicle wiring.

No speakers

The layout without speakers is found on the basic configuration. The car has connectors for connecting the radio and front speakers, as well as an antenna output. After switching the radio, you need to disassemble the door trims, which will allow you to mount the speakers in their standard places.

Loudspeakers are attached to factory mounting points, and wooden adapter rings may be used. After installing the elements, it is necessary to return the removed parts to their place.

Lada Largus is largely copied from models of the French brand Renault. And this applies not only to components and assemblies, but also to the standard radio. For example, the Renault Duster, Sandero, Logan models have exactly the same audio system head units. There is nothing surprising in this, because the assembly of these cars is completely organized in Russia. On Largus, the standard radio can only be seen in the “luxury” or “standard” configuration.

Connection diagram

The procedure for connecting the car radio may differ slightly due to the modification of the car. The audio device sometimes comes with a remote control. It is installed on the steering column or the front of the dashboard. The cable is laid along the length of the electrical harness lines.

The exact wiring diagram may vary due to the number of speakers. Therefore, it is advisable to remember the following information:

1. With 2 columns. Two loudspeakers are used exclusively on trucks. Speakers are most often placed in doors under plastic panels. After installation, the radio can be used immediately for its intended purpose. You just need to connect it to the sockets. You can install other speakers in the cabin. Then you will need to lay a separate speaker cable.
2. With 4 speakers. In passenger versions, a device with two pairs of speakers is more common. The electrical wiring contains a special harness connected to the rear door speakers. Connection does not require any modifications to the vehicle wiring.
3. There are no speakers. The scheme is typical for the basic configuration. The car has connectors for connecting the device and front speakers. Additionally there is an antenna output. When the car radio is connected, you need to disassemble the door trim. This step will help you get the speakers in place.

The speakers need to be fixed to the factory points. You can use wooden adapter rings. After installing the parts, the removed elements must be returned to their original place.

Device characteristics

It can't be called complicated. In addition, the instructions and user manual supplied with the system will help you understand the structure, functionality and characteristics of the device. Structurally, a car can be equipped with either a conventional 1 Din or 2 Din radio. The differences between them are minimal and lie in the location of the buttons and inscriptions.

To reproduce high-quality sound, the audio system provides four speakers:

One of the main features and at the same time advantages of this device is the ability to connect to a smartphone via Bluetooth wireless channel. In addition to comfort and convenience, this function provides passive safety, since the Hands free system allows you to talk on the phone while driving without using your hands. The quality of communication is decent, communication with the interlocutor is not associated with difficulties, the driver does not need to raise his voice, and passengers hear him well.

Instructions

Usually a user manual is included with the radio. There are detailed characteristics of how it is used, what to press and when, and most importantly, why.

According to the diagram in the instructions, two versions of the radio are indicated:

There is nothing complicated about the first category, it’s just the name that is incomprehensible. These two versions differ only in different buttons and what is written on them. The most useful and practical feature is the ability to pair with some wireless devices via Bluetooth, such as connecting to a mobile phone. In this case, the standard radio on the Lada Largus will provide you with the opportunity to talk on the phone even without using your hands, thereby not violating traffic rules. If you think that you will have to talk very loudly or shout so that the interlocutor can hear clearly, then nothing like that. A normal tone of voice will be sufficient.

Radio malfunctions and methods for diagnosing them

As you know, the Lada Largus is equipped with an audio system with a set of speakers already from the factory (depending on the configuration). The amplifiers are located in the front and rear door panels. To connect non-original speakers, several wiring harnesses are provided (including for increasing power using an amplifier when connecting a subwoofer). Since the connector plugs do not comply with the current standard, to connect another head unit you will need to additionally purchase adapters.

A standard car radio sometimes brings not only the pleasure of listening to music, but also some problems. The device may not work or function incorrectly for various reasons. In general, the list of faults includes only those that an ordinary driver (without special knowledge of electrical engineering) can fix with his own hands, without the need to contact a specialized center.

When it comes to repairs, it can often be cheaper to replace the device. Especially considering the availability of alternative options in different price categories and with different capabilities. At a cost of no more than 6,000 rubles, repairs can cost half this amount.

Other unlock options

There is an alternative way to unlock the Lada Largus radio. You will need to contact an authorized dealer. Specialists send the car's VIN number to the manufacturer. The dealership receives a password from the factory for the installed car radio. The method will not work if the device was replaced with a similar one under a warranty card or personally by the driver. Most often, the official representative removes the radio. The dealer reads the information on the label. He determines the code using a calculator.

The first Largus models had a device that broadcast a preliminary password. To see the code, you need to immediately press keys 1 and 6. Hold the buttons for 5 seconds. An explanation will appear on the screen, followed by a four-digit password. It must be entered into the calculator as described above.

Nowadays such equipment is rare. There are no other ways to unlock the radio. Some car owners reflash the software. But this will not help decode the stereo device.

Firmware for audio device on Lada Largus

The standard head unit on cars of this model does not look very presentable, but at the same time the functionality is complemented by a large number of possibilities. Unfortunately, despite the decent quality of the technical part, the manufacturers did not pay enough attention to the software. It's no secret that modern audio systems have a full-fledged electronic control unit, which is a kind of computer. There is a processor, devices for reading removable media, various connectors and other functionality. In addition, the standard radio is combined with the on-board computer.

On the other hand, the more complex the audio system, the greater the likelihood of failures and malfunctions. The radio installed on the Lada Largus is no exception to the rule. The software has not been properly tested, so malfunctions are not uncommon. The most common problems are the inability to recognize the file format, reproduce high-quality sound, or identify the removable storage device. Also on Largus, incorrect display of Russian fonts on the display is often encountered. As a result, instead of the usual Cyrillic alphabet, the driver sees incomprehensible symbols. It is in these cases that updating the device firmware will help solve the problem.

Where to download and how to install

You can find out the firmware version directly on the device case, on the back side. The manufacturer regularly releases updated, i.e. improved firmware. You can find them either on the official website of the developer or on specialized thematic forums. If necessary, please contact your authorized dealer.

The firmware for the Largus radio is identical to the software from Duster or Sandero. At the factory, these cars are equipped with T2024 firmware (starting from 2014).

Preparation for the procedure

A firmware update may not be necessary if you try to reset the current settings to factory settings. The procedure is simple, but in most cases ineffective. If you update the firmware to a new version, you can expect a significant improvement in device performance. Typically, an official update is released rarely and always turns out better as testing is done and bugs are fixed.

The updated version V2030 was released in 2015. To install, you will need a flash drive or adapter with other removable media. Before you begin the procedure, you should prepare the media and find the appropriate firmware. You can download the firmware on the official AvtoVAZ website or on thematic official forums for Renault cars.

The file with the firmware is in the archive, so you need to first unpack it into a separate folder on your PC. The unpacked firmware provides a special archive that does not need to be unpacked further. The flash drive must be clean and formatted in FAT format. The unpacked CAB firmware archive is placed on it.

Update process

Now you can connect the media to the radio in your car.

1. Before starting the procedure, be sure to turn on the ignition. Otherwise, the radio will automatically turn off and the firmware process will be interrupted, which may lead to device failure.
2. When reading information on the media, the radio will determine that the contents on the drive are material for flashing. After analyzing the information, the device will offer to update the software. You should select "Yes" to refuse to click "No".
3. Confirm the information by clicking the “OK” button.

Exterior of standard car radio

To paraphrase a well-known saying, it should immediately be noted that in terms of taste and color characteristics you will not find two identical people. This also applies to the radio in the Lada Largus. Some owners will zealously prove its superiority, elevating it to the rank of ingenious devices, while others, on the contrary, will sarcastically criticize it, wanting to find more shortcomings. In general terms, we will say that the device harmoniously combines with the design of the panel and does not cause a feeling of rejection. Its functionality is convenient, and all elements (buttons) are located in optimal places, which allows you to make switches and other manipulations on an intuitive level. There are no backlashes, squeaks or other negative factors here. The fit is excellent.

Sound via Bluetooth

A standard car radio in combination with dynamic speakers “reads” music programs equally well, “digesting” any genre without much difficulty. The manufacturer has addressed radio lovers with a powerful antenna device that allows them to pick up a signal of even minimal power. The radio allows you to memorize 6 stations in each frequency range.

Listening to music is available via CD drives or flash devices. Also for the same purposes, switching using Bluetooth is possible.

With a wireless connection, it is possible to rewind not only between music programs, but also directly within a track.

The display clearly displays the charge level indication (if “Bluetooth”), as well as the “RDS” line. There is a Russified font in “IDTag”.

Other methods of connecting to this device are the “Jack” and “USB” sockets.

Some owners are not satisfied with the lack of a removable decorative panel for the radio. We consider this point to be unimportant, since it is not able to protect against fraudsters.

Let's sum it up

In our opinion, the standard car radio present in the practical Lada Largus station wagon is very worthy in terms of its functionality and sound. This can be confirmed by many owners of this practical car, because there are a lot of positive reviews on this topic on the Internet. In addition, a convenient manual is included, through which “making friends” with the radio will not be difficult and will not require much time.