Shopping Cart

Sub Total: $0
Total: $0

Search Products

The Definitive Guide to the JDM Subaru BRZ RZ tS Harman Navigation System: The Ultimate OEM+ Upgrade

The Definitive Guide to the JDM Subaru BRZ RZ tS Harman Navigation System: The Ultimate OEM+ Upgrade

For BRZ and Toyota 86 owners, the factory head unit is often the single greatest disappointment in an otherwise brilliant driver's car. The standard display is outdated, the audio quality is lackluster, and the lack of modern smartphone integration feels like a relic from a bygone era. While the aftermarket is flooded with universal touchscreen options, they often look out of place, sacrificing the car's clean, driver-focused aesthetic. There is, however, a legendary solution straight from the heart of Japan's domestic market (JDM). The BRZ RZ tS Harman navigation head unit is not just an upgrade; it's a transformation, seamlessly integrating modern technology with flawless OEM fit and finish. This guide will show you why this specific unit is the holy grail for enthusiasts and how you can install it in your own car.

Table of Contents

What Is the JDM Subaru BRZ RZ tS Harman Head Unit?

The Subaru BRZ Harman head unit is a factory-fitted infotainment system developed for the high-performance "tS" (tuned by STI) trim of the Subaru BRZ, sold exclusively in Japan. Produced by the audio giants at Harman International, this unit was designed to be a premium offering, a cut above the standard units found in base model cars. It represents the pinnacle of factory-infotainment for the ZN6 chassis (BRZ/86), combining robust hardware with sophisticated software. For the JDM enthusiast, it's a piece of authentic Japanese engineering; for the practical upgrader, it's the most integrated solution available.

Its development was a collaboration between Subaru's performance division, STI, and Harman, aiming to deliver an audio and connectivity experience that matched the car's sporting intentions. This heritage is palpable the moment you power it on. Unlike an aftermarket unit that feels "added on," the BRZ RZ tS Harman navigation head unit feels like it was always meant to be there, because, for the top-tier Japanese models, it was.

Why Choose This Over Other Head Unit Upgrades?

You have three main paths for upgrading your BRZ/86 stereo: a cheap universal Android unit, a well-known aftermarket brand like Pioneer or Kenwood, or this JDM navigation upgrade for the BRZ. Here is why the Harman unit is the superior choice for the discerning owner.

First is the OEM+ look. The design, button feel, and user interface are all crafted specifically for your car's dashboard. The lighting matches the factory red illumination perfectly. There are no unsightly gaps, no ill-fitting fascia panels, and no clunky, generic user interfaces. It looks and feels factory because it is.

Second is the retention of all factory functions. Many aftermarket units require complex wiring harnesses and modules to retain steering wheel controls and the multi-information display (MID) in the instrument cluster. The BRZ RZ tS Harman navigation head unit plugs directly into the car's CAN bus network, meaning it communicates natively with your car's computers. Your steering wheel controls work perfectly, and the MID continues to display audio and navigation information without any extra hardware.

Third is the audio quality. Harman is the parent company of brands like JBL, Mark Levinson, and Revel. Their expertise is baked into the digital signal processing (DSP) and amplifier section of this unit. It delivers a cleaner, more powerful, and more detailed sound than the base head unit or many entry-level aftermarket options, making it a true Harman Kardon BRZ audio experience.

Key Features and Benefits of the Harman Unit

This isn't just a screen; it's a comprehensive multimedia hub. Let's break down the features that make it so sought after.

Built-In Navigation with Offline Capability

The unit features built-in Garmin navigation with detailed Japanese maps. While the Japanese maps are of limited use internationally, the underlying hardware is a fully functional GPS receiver. When you connect your smartphone via Apple CarPlay or Android Auto, you can use Waze, Google Maps, or Apple Maps directly on the unit's screen, leveraging its GPS antenna for excellent signal reception. This effectively makes the built-in nav a bonus, while your preferred apps become the primary navigation tool.

Apple CarPlay and Android Auto Integration

This is the killer feature for most buyers. The BRZ Apple CarPlay retrofit (and Android Auto) is seamless. It allows you to project your phone's interface onto the 7-inch touchscreen, giving you access to music, messaging, and navigation apps in a safe, car-optimized format. The integration is stable and fast, a significant upgrade over trying to use a phone mount.

High-Quality Audio Processing

Beyond just power, the unit includes advanced audio settings like a 13-band graphic equalizer, time alignment, and crossover settings. This level of control allows you to fine-tune the soundstage to your specific liking and the car's interior acoustics, something rarely found in factory head units. For audiophiles, this is a game-changer for the BRZ head unit upgrade.

OEM Fit and Finish

The unit slides perfectly into the dashboard. All the climate control buttons and hazard switch remain in their original, ergonomically perfect locations. It’s a completely reversible modification that doesn't require cutting or modifying your dashboard, preserving the car's value and originality.

What You Need for a Plug-and-Play Installation

The term "plug-and-play" is often misused, but for this OEM navigation BRZ upgrade, it's accurate, provided you have all the correct components. You cannot simply plug a JDM unit into a USDM car and expect everything to work. Here is the complete list of parts you will need.

  • The Head Unit Itself: The main screen and computer unit, part number 86401CA340 or similar.
  • JDM Bracket and Faceplate: The JDM dashboard bracket is slightly different from the USDM one. You must use the JDM bracket for the unit to mount correctly.
  • GPS Antenna: The unit uses an active GPS antenna. A generic one will work, but an OEM-style antenna ensures a clean installation.
  • FM Radio Adapter: Japanese and US FM radio frequencies are different. You will need a frequency converter adapter to receive US radio stations clearly.
  • Wiring Harnesses (The Most Critical Part): The connectors on the back of the JDM unit are different from your USDM car's harness. You have two options:
    • Option A (Solder/DIY): Purchase the JDM-side connectors and a USDM-side harness and build your own adapter, mapping each pin correctly.
    • Option B (Pre-Made): Source a pre-assembled plug-and-play adapter harness. This is highly recommended for a hassle-free RZ tS head unit installation.

Step-by-Step Installation Guide

This how to install Harman head unit guide will walk you through the process. Set aside 2-4 hours for a careful, methodical installation.

Step 1: Preparation and Dash Disassembly

Disconnect the negative terminal of your car's battery. This is a crucial safety step to prevent short circuits or airbag deployment. Start by carefully prying off the silver trim piece that surrounds the shifter. Next, remove the climate control panel by pulling it straight out. It is held in by clips. You will now see the screws that secure the factory head unit.

Step 2: Removing the Factory Head Unit

Remove the two screws at the top of the head unit cavity. Gently pull the factory unit forward. Disconnect all the wiring harnesses and antenna connections from the back. Set the old unit aside.

Step 3: Swapping the Bracket and Installing the GPS Antenna

Unbolt the factory head unit from its metal bracket and transfer the JDM bracket to the BRZ RZ tS Harman navigation head unit. Run the GPS antenna cable from the head unit cavity up to the top of the dashboard, placing the antenna on the defroster vent area under the windshield for a clear view of the sky.

Step 4: The Wiring Harness

This is the core of the JDM BRZ stereo swap. Connect your pre-made adapter harness to the car's original wiring plugs. Then, connect the other end of the adapter harness to the corresponding plugs on the back of the Harman unit. Plug in the GPS antenna and the FM adapter. Do not force any connections; they are keyed to fit only one way.

Step 5: Reassembly and Testing

Before you put everything back, reconnect the car battery and power on the unit. Test all critical functions:

  • Steering wheel audio and phone controls
  • Apple CarPlay/Android Auto connection
  • FM radio (with the adapter)
  • Audio playback from all speakers

If everything works, power down, disconnect the battery again, and carefully tuck all the wiring and connectors into the dashboard. Slide the new unit into the JDM bracket, secure it with screws, and reinstall the climate control and trim panels. Reconnect the battery, and your Toyota 86 Harman navigation upgrade is complete.

 

Sourcing Your Unit and Final Considerations

Finding a genuine BRZ RZ tS Harman navigation head unit requires patience. Your best bets are Japanese auction sites (like Yahoo! Japan Auctions) using a proxy buying service, or specialized JDM parts importers. Be prepared to spend between $800 and $1500 for a complete kit with all necessary parts. When evaluating a listing, ask the seller for the part number and confirm it includes the screen, the main body, and any associated brackets.

Remember that while this is the most integrated solution, it is not the cheapest. You are paying for OEM quality, perfect fitment, and a seamless look. For the enthusiast who values authenticity and a factory appearance, it is worth every penny. It is the definitive JDM navigation upgrade BRZ owners dream of.

Frequently Asked Questions

Will the JDM Harman head unit work in my Toyota 86?

Yes, absolutely. The Toyota 86 and Subaru BRZ share the same dashboard and wiring architecture. The installation process and parts required are identical for both cars, making this a perfect Toyota 86 Harman navigation upgrade.

Do I lose any features from my original US-spec head unit?

The only feature you may lose is HD Radio, as it is not a standard in Japan. However, you gain far more, including Apple CarPlay, Android Auto, and superior built-in audio processing. Most users consider this a massive net gain.

Is the navigation in English?

The built-in Garmin navigation interface will remain in Japanese and feature Japanese maps. However, when you use Apple CarPlay or Android Auto, your navigation apps (Google Maps, Waze) will be in your phone's language and function perfectly.

Can I install this myself without professional help?

If you are comfortable with basic car interior disassembly and can follow a wiring guide, yes. The key is sourcing a pre-made plug-and-play harness. This turns a complex wiring job into a simple connection task, making the RZ tS head unit installation very achievable for a DIYer.

Where is the best place to buy the plug-and-play harness?

Several enthusiasts and small businesses specialize in creating these harnesses. The most reliable sources are found within the BRZ/86 owner forums and communities. Look for vendors with positive feedback and a proven track record.

Disclaimer: This article is for informational purposes only. Modifying your vehicle's electronics can pose risks. Consult a professional installer if you are unsure about any step of the process. Always ensure safe driving practices and avoid interacting with the head unit while the vehicle is in motion.

Ready to transform your driving experience? Explore our curated selection of JDM parts and find the perfect BRZ RZ tS Harman navigation head unit for your build. Click here to check availability and pricing.

Recent Comment

Be the first to comment

Leave A Comment