SU3-RR2-DS-(RR-SU3)-EN
maestro.idatalink.com
Subaru WrX With amplifier 2019-2021
Automotive Data Solutions Inc. © 2023
3
STEP 1
• Unbox the aftermarket radio and locate its main harness.
• Connect the wires from aftermarket radio main harness to
the SU3 T-harness and match the wire functions.
• Remove the factory radio.
Note:
only connect purple/white wire to radio reverse input or
module damage will occur.
STEP 2
• Assemble the SU3 T-harness and connect it to the factory
radio harness.
• Locate the 28 pin connector on the SU3 T-harness. Cut the
Brown/Red wire (pin 9), extend and connect it to the Red
wire (pin1) of the 40 pin climate control connector. Cut the
Brown/Yellow wire (pin 10), extend and connect it to the
Blue wire (pin2) of the 40 pin climate control connector.
STEP 3
• Plug the OBDII connector into the OBDII of the vehicle,
under driver dash.
STEP 4
• Plug the aftermarket radio harnesses into the aftermarket
radio.
• Plug the RCA connectors to the aftermarket radio.
• Plug the AUX cable to the aftermarket radio.
• Plug the Backup camera cable to the aftermarket radio.
• Plug the Data cable to the data port of the aftermarket
radio.
Note: On Pioneer radio, ensure that there is nothing plugged
into the W/R port.
STEP 5
• Connect all the harnesses to the Maestro RR2 module then
test your installation.
Reverse Automatic Braking (RAB)
When in reverse, RAB and Parking Sensor buttons are
controlled by:
RAB ON/OFF -
Tap left side of radio screen or SEEK DOWN
on the steering wheel.
Parking Sensor ON/OFF -
Tap right side of radio screen or
SEEK UP on the steering wheel.
Note:
On-screen controls require a radio that supports touch
screen control of the camera, but the steering wheel controls
will work regardless of radio
.
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INSTALLATION INSTRUCTIONS
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