Tip:
Highlight text to annotate it
X
[FRS BRZ music]
[sound system music]
Section one, Vehicle Preparation.
Prepare a protective surface to place all vehicle compenents on.
Apply the parking brake.
Open the trunk and hood of the vehicle.
Disconnect the negative (-) battery cable.
Section Two
Tweeter Installation
Remove dash speaker grills
Very carefully disengage the speaker grill on the dashboard using a plastic panel or
pick tool.
Once loosened lift straight up and away to remove.
Disconnect the tweeter connector then unclip the tweeter from the speaker grill by pushing
away one of the locking tabs.
Remove the OEM Audio Plus tweeter from its packaging and carefully apply pressure to
the tweeter foam gasket and push outwards prior to installation.
Install the OEM Audio Plus tweeter in the same orientation as the factory tweeter by
aligning it with the locking tabs. Make sure it snaps into place.
Connect the tweeter connector and make sure it is secure with built-in locking tab.
Reinstall the speaker grill by sliding the back end in first.
Push the front side of the speaker grill straight down until it snaps back into place.
Repeat these steps for the other tweeter.
Section Three
Radio Removal
Make sure you have a protective blanket over the center stack/transmission area.
Remove radio trim panel by loosening outer edge using plastic panel tool or by hand.
Disengage snaps by pulling towards you.
Use a 10mm socket to remove the four bolts securing the radio.
All radio connectors have a locking tab that you must push down to disconnect. Carefully
remove each connector then set the radio aside.
Section Four, Quick-Sync Harness Installation.
Remove Driver and Passenger Side Threshold Panel
Disengage both ends of the threshold panel by spreading the edges.
carefully pull straight up to remove. Repeat for other side.
Remove the Driver side Kick Panel
Use a plastic panel tool to remove the snap.
Carefully pull the kick panel to the right towards the pedals.
Check for green snaps that may not have came off with the kick panel.
Re-insert the green snaps to the kick panel if necessary.
Remove Driver and Passenger Side Rear Panels
Loosen weather-stripping by hand and remove carefully in an outward direction.
Use a 10mm socket to remove the bolt securing the bottom seat cushion.
Push down on the center of the back side of the cushion to release the locking tab then
remove the bottom seat cushion.
Use a plastic panel tool to remove the push in snap at the bottom of the rear panel.
Located in the trunk area, pull both backrest release straps to fold the backrest down.
Use a plastic panel tool and remove the two push in snaps at the rear of the panel.
Carefully disengage the snaps one by one and remove the rear panel towards you and away
to remove. (Check the panel for missing snaps - thast
may still be attached to vehicle).
Repeat these steps for the other side of the vehicle.
Use a utility knife and cut a U-shaped slot approximately 1” wide and 2” high in the
area on the passenger side trunk panel located between the two snap locations.
This will provide access for the harness plugs to the amplifiers.
Remove the trunk carpet and trunk floor board.
Use a plastic panel tool to remove the three push in snaps securing the foam support between
the back seat and spare tire.
Use a plastic panel tool and remove the push in snap on the top of the factory amplifier.
Lift the foam support up and fold it over so it rests on top of the rear seat back rest.
Disconnect the 10-pin factory amp connector.
Run the Quick-sync wiring harness’ amplifier connectors through the 1”x 2” slot.
Pass one connector through at a time.
Using the factory ground located behind the rear passenger side trim panel, remove the
10mm ground bolt and install the Quick-Sync wiring harness ground together with the factory
ground.
Make sure harness ground terminal rests on top of the factory ground terminal.
Run the ground wire with existing factory wire and secure using the provided cable ties.
Connect the factory male amplifier connector to the female connector from the Quick-Sync
wiring harness. 6-pin connector does not need to be plugged
we are going to bypass the factory amplifier.
Re-install foam support, trunk floor board and carpet
Continue to route the Quick-Sync harness toward the driver side of the vehicle and secure
to existing factory wires using provided cable ties.
Reinstall Driver and Passenger side trim panels and Rear seat cushions.
Lift carpet by disengaging the white clips in the driver side threshold area and continue
routing the harness underneath the carpet towards the driver sidekick panel area. Re-install
carpet clips and weather-stripping.
Route the Quick-Sync harness under the driver side dash and towards the radio cavity.The
yellow power wires must remain separate in the driver-side kick panel for now.
Secure the harness to the existing gray factory wires using cable ties.
Route the Quick-sync wiring harness towards the radio cavity until connectors are visible.
Connect the Quick-Sync wiring harness to the factory harness and radio (10-pin and 6-pin
connectors). Make sure they are fully inserted and securely locked in place.
Re-install the radio and trim panel.
Section five, Amplifiers and Subwoofer Installation.
Amplifier Connection
Plug the black 10-pin connector to the bottom receptacle of the subwoofer amplifier, Plug
the white 22-pin connector to the upper receptacle and the gray 22-pin connector to the lower
receptacle of the DSP amplifier.
Important; make sure the connectors are fully inserted and secured, pull on the harness
lightly to confirm the secure connection.
Subwoofer Installation
Use a plastic panel tool to remove the push in snap on the passenger side of the trunk.
Install the smaller size 1.0x13.5mm speed nut on the mounting hole.
Locate the 2-hole bracket behind the passenger side trunk carpet panel. Use pliers to flatten
out the bracket behind the 2-hole bracket.
Install and position the speed clip so that it aligns with the top hole on the 2-hole
bracket.
Place the subwoofer enclosure in position and install the M6 1.0x60mm screw to secure
the enclosure.
Do not fully tighten yet, Shifting the enclosure may be necessary to align holes.
Install the M6 1.0x60mm screw hex screw with washer, on the front side of the enclosure.
Once Subwoofer enclosure is aligned, secure by tightening both mounting screws.
Section six, Power Wire Installation.
Locate the factory wiring harness grommet (on the driver side of the engine bay adjacent
to the break master cylinder).
Cut-off the tip of the grommet ***.
Return to the driver side under-dash and route the two yellow power wires through the factory
grommet (lubricate accordingly to prevent binding).
Run the entire length of the power wire then pull it back one inch and apply a bead of
silicone sealant to the wire.
Push the wire with silicone to seal the opening.
Install the 1/4" corrugated split loom onto to the power wires. Run the entire length
to the firewall grommet.
Route the loomed power wires across the engine bay towards the battery.
When the power wire is directly underneath the windshield wiper asssembly.
Secure to existing factory wiring using cable ties.
Section seven, Fuse Holder Assembly Installation.
Remove the 12mm top nut from the battery’s positive terminal and install fuse holder
ring terminal.
Re-install the 12mm nut and tighten.
Do not install fuses at this time!
Insert 12 ga. Power Wire into Yellow butt connector.
Insert 14 ga. Power Wire into Blue butt connector.
Crimp and apply heat to both butt connectors to activate the solder and heat shrink insulator
for the best connection possible.
Section Eight, Fuse Installation.
Insert the 20A fuse for the 14 ga. power wire. Your 14 ga. is the thinner wire and the 30A
fuse for the 12 ga. power wire.
Connect Battery ground (-) to return power to the vehicle.
This concludes the OEM Audio Plus System 400+ | Installation for the Scion Frs
Plus.
Start your engine.
Turn on your radio.
Enjoy!
[ BRZ FRS sound sysytem,music]