The 2022+ BRZ/GR86 does not have CAN bus connected to the OBD2 port. For those that want to run data acquisition software for track use, using the old OBD2 protocol is slow and lacking some critical telemetry inputs that are only in the CAN stream.
This wiring harness adapter tees into the CAN network through a module in the passenger side behind the glovebox. This adapter adds a second OBD2 connector in the glovebox specifically for data acquisition. This gives very fast response for vehicle telemetry like engine RPM, Speed, Steering Angle, Brake Pressure, Throttle Position, Coolant Temperature, etc.
This gives you vital insights to maximize your on track performance. Install is simple and will not impact any other systems in the car. Mounting the plug in the glove box is done with one OEM screw + another self tapping screw into the inside of the glovebox for a stealth install. This harness connector ONLY supports CAN bus. For regular OBD2 (such as pulling/clearing codes) use the standard one under the steering column. Recommended to be used with something like OBXLink MX+, RaceCapture, or similar CAN enabled devices.
If you are looking to keep the engine sound generator (Active Sound Control), please choose the "ASC Bypass (Active)" option. If you're looking to get rid of the engine sound generator, you may choose the lower cost option, "ASC Delete".
OBXLink MX+ shown in photos is not included.
Here is a video using RaceChrono app paired with OBXLink MX+ and a Racebox Mini.