Features

Toyota Harness (HRN-RR-TO3): The iDatalink Maestro HRN-RR-TO3 installation harness greatly simplifies the installation of the Maestro RR or RR2 Car Radio Replacement Interface module (sold separately) in select Toyota vehicles when replacing your factory radio with an iDatalink Serial Port compatible head unit from Kenwood, JVC, Alpine, Sony, or Pioneer; or other aftermarket head unit.

• Vehicle Compatiblity: Click here for a list of compatible 2018 and up Toyota vehicles.
• Radio Compatibility: Click here for a list of fully compatible aftermarket head units with an iDatalink Serial Port

Flashing Module via Weblink Desktop: The iDatalink Maestro RR or RR2 will need to be loaded with correct firmware before installation. The included USB cable plugs into your computer and allows you to "flash" the Maestro RR or RR2 with the appropriate firmware to prepare it for installation. Simply download Weblink Desktop (for Windows and Mac) onto your computer to access the appropriate firmware. System requirements include -

• Windows PC (10/8.1/8/7/Vista/XP/2000) or Mac OS X (Mojave [10.14], HighSierra [10.13], Sierra [10.12], El-Capitan [10.11])
• Available USB port (version 2.0 or 3.0)
• 4GB RAM or more
• 200MB available space on HDD
• Internet connection

Retained Features: The following factory features (if applicable) are retained when replacing your factory radio with a compatible iDatalink Serial Port head unit from Kenwood, JVC, Alpine, Sony, or Pioneer using the Maestro RR or RR2 Car Radio Replacement Interface module and HRN-RR-TO3 installation harness.

• Factory Amplifier: Retains analog or digital factory amplifier with turn-on, fader, and gain adjustment.
• Steering Wheel Controls: Retains factory steering wheel control with two functions on each button (standard and expanded radio functions).
• Vehicle Settings: Retains access to and modification of vehicle settings.
• Reverse Camera: Retains factory backup camera with dynamic parking guideline overlay. Also, supports factory front and side camera control.
• Aux Input: Retains factory Aux input and features a male 3.5mm minijack connector.

Extra Features: The following Extra features are added when replacing your aftermarket head unit with a compatible iDatalink Serial Port head unit from Kenwood, JVC, Pioneer, Sony, or Alpine using the Maestro RR or RR2 Car Radio Replacement Interface module and HRN-RR-TO3 installation harness.

• Gauges: Selectable performance gauges and "Track Pack" gauges
• Vehicle Info: Tire Pressure & Battery Voltage Display, Door Open Status and Warning, plus Read/Reset Check Enging

Navigation Outputs: Navigation outputs include Parking, Reverse, and Vehicle Speed Pulse.

Connections: The iDatalink Maestro HRN-RR-TO3 installation harness contains three Molex connectors which plug into your factory radio harness. On the other end of the harness are four multi-pin connectors which plug into the Maestro RR or RR2 Car Radio Replacement Interface module. In addition, you will need to hardwire the power/ground, illumination, speaker, and navigation output leads of the HRN-RR-TO3 harness to your aftermarket head unit's wiring harness. There is also a composite video RCA connector which plugs into your aftermarket head unit's backup camera input, plus a stereo 3.5mm minijack connector that plugs into your aftermarket receiver's Aux input. In addition, RCA connectors connect to your aftermarket head unit's front-channel pre-outs.