Radio size for Nissan Almera Classic: how to choose and install correctly

Replacing the standard radio with Nissan Almera Classic (body B15, 2006–2013) is a challenge that many owners face. Standard audio equipment is becoming obsolete morally and technically: there is no support Bluetooth, USB or Apple CarPlay, and the sound quality leaves much to be desired. However, before buying a new radio, it is critical to know it exact dimensions, mounting type and compatibility with the instrument panel.

In this article we will look at:

• 📏 Standard sizes head unit Almera Classic (1DIN vs 2DIN).
• 🔧 Types of fastenings and transition frames for installing non-standard models.
• ⚠️ Common mistakes when replacing, which lead to damage to the panel or radio.
• 🎵 Recommendations for selection taking into account the acoustics of the interior and the electrical wiring of the car.

We will pay special attention unique feature of Almera Classic: not all 2DIN radios are suitable due to limited space behind the panel (the climate control unit gets in the way). This often comes as a surprise to owners who bought the device “by size” without taking into account the depth.

Standard dimensions of the Nissan Almera Classic (B15) radio

Head unit Nissan Almera Classic refers to the format 1DIN is an international standard for car audio systems. Its key parameters:

• 📐 Height: 50 mm (1 DIN).
• 📐 Width: 178 mm (standard for most cars).
• 📐 Depth: ~160 mm (may vary depending on year of manufacture).

Important: despite the fact that many owners strive to install 2DIN radio (height 100 mm), this requires panel modifications or using a transition frame. However, even in this case there are limitations:

⚠️ Attention: B Almera Classic with climate control (automatic system), the space behind the panel is occupied by control units. Deep 2DIN radios (more than 140 mm) can rest against them, which will lead to the impossibility of complete installation or damage to the wiring.

Parameter	1DIN (standard)	2DIN (non-standard)
Height, mm	50	100
Width, mm	178	178
Max. depth, mm	160–180	120–140*
Compatibility	Full	Partial (frame required)

*For 2DIN radios, the depth is limited due to the panel design.

1DIN or 2DIN: what to choose for Almera Classic?

The choice between formats depends on your goals and budget. Let's look at the pros and cons of each option:

1DIN radios

• ✅ Easy installation: does not require modification of the panel or purchase of adapters.
• ✅ Low price: even models with Bluetooth And USB are cheaper than 2DIN analogues.
• ✅ Compatibility: Fits all standard size devices (e.g. Pioneer DEH-S4200BT, Sony DSX-A415BT).
• ❌ Limited functionality: No touchscreen, navigation or video support.

2DIN radios

• ✅ Big screen: convenient for navigation (Google Maps, Yandex.Navigator) and multimedia.
• ✅ Advanced Features: Apple CarPlay, Android Auto, DVD, TV tuner.
• ✅ Best Sound: Often equipped with amplifiers and equalizers.
• ❌ Complex installation: an adapter frame is needed (for example, Metra 99-7303) and the panel can be modified.
• ❌ Price: quality models (for example, Pioneer AVH-X5800DAB) cost 2–3 times more than 1DIN.

If you choose 2DIN, be sure to check device depth. Optimal models for Almera Classic - up to 130 mm (for example, JVC KW-M750BT or Kenwood DDX4019BT). Deeper radios may not fit into place or will require sawing down the plastic console.

Mounting the radio: ISO connectors and adapters

Nissan Almera Classic equipped with standard ISO connector to connect a radio, but there are some nuances:

• 🔌 Power connector: matches ISO 10487 (black and yellow for B+, red for ACC, black for GND).
• 🔊 Acoustic outputs: 4 channels (front/rear speakers), but stock wiring may be non-standard (see diagram below).
• 📡 Antenna: connects via ISO connector or FAKRA (depending on the year of manufacture).

If you are installing a non-standard radio, you will most likely need adapter. For Almera Classic fit:

• 🔧 Metra 70-7301 — for connecting power and acoustics.
• 🔧 Connects2 CT23NI03 - universal adapter with support CAN buses (for models with on-board computer).

⚠️ Attention: In cars 2010–2013 release system can be installed Nissan Anti-Theft System (NATS). When replacing a radio without an adapter CAN buses an error will appear on the instrument panel KEY, and the audio system will not work.

Almera Classic acoustics connection diagram

Standard speaker pinout (wire colors may vary depending on configuration):

• Front left (+): white
• Front left (–): white with black stripe
• Front right (+): gray
• Front right (–): gray with black stripe
• Rear left (+): green
• Rear left (–): green with black stripe
• Rear right (+): purple
• Rear right (–): purple with black stripe

To check, use a multimeter in mode 20V DC — when the ignition is on, there should be ~12V on the power wires.

How to remove the stock radio: step-by-step instructions

To dismantle the old radio you will need:

• 🔧 Plastic pullers (or a flat blade screwdriver).
• 🔧 Keys for removing the radio (usually included with a new audio system).
• 🔧 Screwdriver Torx T20 (for some trim levels).

Make sure the ignition is turned off|Disconnect the battery terminal (negative)|Remove the decorative frame around the radio|Prepare pullers or keys-->

Next follow the instructions:

1. Remove the decorative trim around the radio. It is attached with latches - pry it off from the side with a screwdriver (carefully so as not to break the plastic!).

2. Insert the pullers into the grooves on the sides of the radio (usually they are located under the top edge). If there are no pullers, use the keys that came with the new radio.

3. Pull the radio towards you until it clicks - it will come out of the slide 2-3 cm. After that, you can remove it by hand.

4. Disconnect the connectors at the back: power first (ISO), then the antenna. If the wires are stuck, do not pull - treat the contacts WD-40.

⚠️ Attention: In some trim levels Almera Classic The radio tape recorder is secured with additional bolts under Torx T20 (hidden under the decorative panel). If the radio does not come out after removing the latches, check their presence!

Choosing a radio: what to look for?

When purchasing a new radio for Nissan Almera Classic consider not only the dimensions, but also:

• 🔊 Power: Standard acoustics Almera designed for 4×20–25 W. If you install a more powerful radio (for example, 4x50 W), the speakers may wheeze. The solution is to replace the speakers or install an amplifier.
• 📶 Format support: Sufficient for modern needs MP3, WMA, FLAC And Bluetooth with A2DP. If you listen to music from a flash drive, check support FAT32/exFAT.
• 🚗 Vehicle integration: Models with CAN bus (For example, Pioneer SPH-DA130DAB) can display data from the on-board computer (temperature, speed) on the screen.

For bass lovers: Almera Classic the weak point is the standard subwoofer (if there is one). Most radios have access to RCA to connect an external amplifier, but you will need to run a separate power cable from the battery.

Common mistakes when replacing a radio

Even experienced car owners make mistakes that lead to radio failure or electrical problems. Here are the most common:

• ❌ Ignoring polarity when connecting speakers. This results in the sound being "twisted" and the risk of a short circuit.
• ❌ Direct connection to battery without fuse. The radio may burn out due to a power surge.
• ❌ Using incompatible adapters. For example, an adapter for Toyota not suitable for Nissan — the pinout is different!
• ❌ Neglecting equalizer settings. Standard acoustics Almera requires adjustment of low and high frequencies.

Another typical problem is noise in speakers after installation. Reasons:

• 🔌 Poor contact in power or acoustics connectors.
• 🔌 Lack of grounding (mass) to the body.
• 🔌 Interference from other electrical appliances (for example, a generator).

FAQ: Frequently asked questions about radios for Almera Classic

Is it possible to install a 2DIN radio without an adapter frame?

No, the standard hole in the panel is designed for 1DIN. 2DIN will require a frame (eg Metra 99-7303) and, possibly, modification of the plastic (trimming the lower part of the console). Without a frame, the radio simply will not fit into place.

Which radio is better for Almera Classic: Pioneer, Sony or JVC?

The choice depends on the budget and tasks:

• Pioneer — optimal in terms of price/quality (for example, DEH-S4200BT for 1DIN or AVH-X3800DAB for 2DIN).
• Sony - better sound, but more expensive (for example, DSX-A415BT with ClearAudio+).
• JVC — reliable and easy to manage (for example, KD-X351BTS with voice control).

For navigation and multimedia, choose 2DIN models with Apple CarPlay (For example, Pioneer SPH-DA130DAB).

Do I need to change the speakers when replacing the radio?

Not required, but recommended. Standard speakers Almera Classic (usually Clarion or Nissan OEM) are of mediocre quality:

• Front: 16 cm, power 20–25 W.
• Rear: 13 cm, power 15–20 W.

If you install a powerful radio (for example, 4x50 W), the standard acoustics will wheeze. Optimal replacement - JBL GTO629 (before) and Pioneer TS-G1320F (back).

How to connect a rear view camera?

To connect a rear view camera:

1. Buy a camera with a license plate mount (for example, Parkmaster 4in1).
2. Connect it to the input RCA on the radio (usually the connector is signed as CAMERA IN).
3. Lay the wire from the trunk to the radio (you can along the standard wiring).
4. Connect the camera's power to the reversing light (plus) and the body (minus).

In the radio settings, activate the option Reverse Camera.

Why don't the buttons on the steering wheel work after installing a new radio?

This is due to the lack of an adapter CAN buses. B Almera Classic (2010–2013) steering wheel buttons controlled via CAN-protocol. Solution:

• Buy an adapter (eg Connects2 CTNI001).
• Connect it between the radio and the standard wiring.
• Configure the correspondence of buttons in the radio menu (usually the section Steering Wheel Control).