OEM Audio Reference 450Q User manual

TOYOTA Reference 450Q
Preparation
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Table of Contents
I. Preparation................................................................................................................1-2
1. Table Of Contents ..................................................................................................2
II. Procedure ...............................................................................................................3-23
1. Vehicle Preparation ..............................................................................................3
2. Radio Removal ................................................................. ................................3-4
3. Quick-Sync Wiring Harness Installation.............................................................4-7
4. Subwoofer Umbilical Installation.........................................................................7-9
5. Rear Speaker Bypass Cable Installation.........................................................10-12
6. Power wire Installation.....................................................................................12-14
7. Installation of the Fuse Holder..............................................................................15
8. Amplifier Installation..........................................................................................15-17
9. Dash Speaker installation ................................................................................17-18
10. Front Door Speaker Installation ........................................................................19-21
11. Subwoofer Installation.......................................................................................21-23
12. Fuse Installation....................................................................................................23
13. Set Clock to correct time.......................................................................................23
14. Verify Radio Settings............................................................................................
15. Checklist / Troubleshooting...................................................................................
Accessory Installation Practice (read before installation)
Care must be taken when installing this accessory to ensure damage does not occur to the vehicle. The
installation of this accessory should follow approved guidelines to ensure a quality installation.
These guidelines can be found in the “Accessory Installation Practices” document.
This document covers such items as:
• Vehicle Protection (use of covers and blankets, cleaning chemicals, etc.)
• Safety (eye protection, checking torque procedure, etc.)
• Vehicle Disassembly/Reassembly (panel removal, part storage, etc.)
• Electrical Component Disassembly/Reassembly (battery disconnection, connector removal, etc.)
Please see your Toyota/Scion/Lexus dealer for a copy of this document.
Revisions and other installation assets
OEM Audio Plus is committed to providing components and instructions designed for seamless integration.
Please visit oemaudioplus.com for the most up to date installation related documents and media,
Important Warranty Information Failure to completely and properly fill out online Warranty
Registration may result in possible reduction or complete denial of future warranty claims. Complete
yours today at: oemaudioplus.com/registration or call: 855 OEM-ODIO for more details and alternative
methods of system registration.

TOYOTA Reference 450Q
Procedure
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1. Vehicle Preparation
a. Apply parking brake.
b. Open the trunk and hood of the vehicle.
c. Disconnect the negative (-) battery cable.
d. Prepare a protective surface to place all
vehicle components on.
2. Radio removal
a. Lay down protective blanket over climate
controls and transmission area
b. Using a #2 Phillips screwdriver remove the 2
screws holding the silver trim on the sides of the
white radio bezel. (Fig. 2-1)
c. With a panel tool remove the silver trim gently by
prying towards you, separating the locking tabs.
(Fig. 2-2)
d. Remove the two #2 Phillips screws holding the
white radio bezel in place. (Fig. 2-3)
e. Remove the white radio bezel by pulling directly
towards you and disconnecting the two
connectors from behind. (Fig. 2-4)
Fig. 3-5
Fig. 2-2
Panel Tool
Fig. 2-1
#2 Phillips
Fig. 2-4
Fig. 2-3
#2 Phillips

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Procedure
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f. Using a 10mm socket wrench, remove the four
bolts holding the radio in place. (Fig. 2-5)
g. Disconnect connectors and antenna lead.
(Fig. 2-6)
h. Remove radio and store.
3. Quick-Sync Wiring Harness Installation
a. With the quick sync wiring harness in hand, run
the yellow power wire through the radio cavity
towards the driver side kick panel. (Fig. 3-1)
b. You will want to run these wires full length to the
point where the OEM Audio + 10-pin and 6-pin
male and female connectors rest in the radio
cavity. (Fig. 3-2)
Fig. 3-1
Fig. 2-6
Fig. 2-5
10mm Socket
Fig. 3-2

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Procedure
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c. The Wire run through the radio cavity can rest
on the driver’s side floor for the time being.
(Fig 3-3)
d. In the radio cavity connect the factory 10-pin
male connector to the OEM Audio Plus Quick
sync wiring harness female 10-pin connector.
(Fig 3-4)
e. Using a pick tool or a precision flat head
screwdriver, remove the brown terminal from
your factory 6-pin connector.
1. First gently release the locking tab on
top of the connector (the tab only needs to
lift slightly to unlock terminals).
(Fig. 3-5)
2. Remove the brown factory wire by gently
lifting the small white locking tooth inside the
connector.(Fig. 3-6)
Fig. 3-5
Pick Tool
Fig. 3-4
Fig. 3-3
Fig. 3-6
Pick Tool

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Procedure
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3. Lift the tooth and pull the terminal out
from the back of the connector
simultaneously. (Fig. 3-7)
f. Plug the brown terminal from your factory 6-pin
connector into the open #5 Terminal on the rear
speaker bypass umbilical cable (first available
opening next to the blue wire). You'll hear it click
when the wire locks into place. Press the locking
tab back into place till it clicks. (Fig. 3-8)
g. Plug the rear bypass umbilical cable into your
OEM Audio Plus Quick-Sync Wiring Harness 6-
pin connector. Run the other side of the rear
speaker bypass cable through the radio cavity to
the driver-side kick panel area. (Fig. 3-9)
h. Remove Glove box. On the passenger side of
the vehicle open glove box and disengage the
glove box damper on the right side. Squeeze
sides of glove box and pull down and out in one
motion to remove. (Fig. 3-10)
Fig. 3-8
Fig. 3-9
Fig. 3-10
Fig. 3-7
Pick Tool

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Procedure
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i. Run the gray, white, amplifier connectors, sub
connectors and 10 mm ground terminal, towards
the passenger side kick panel. You want this
wire the same length as the black sub amplifier
connector. (Fig. 3-11)
j. Run the gray, white, amplifier connectors, sub
connectors and 10 mm ground terminal, towards
the passenger side kick panel. You want this
wire the same length as the black sub amplifier
connector(Fig. 3-12)
k. Plug your OEM Audio Plus quick-sync wiring
harness connectors into the back of your radio.
Plug in the remainder of your radio connectors
and reinstalled radio, bezel and trim. (Fig. 3-13)
4. Quick-Sync Wiring Harness Installation
a. Remove the passenger side threshold by pulling
in an upward motion. (Fig. 4-1)
Fig. 4-1
Fig. 3-11
Fig. 3-11
Fig. 3-13

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Procedure
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b. Remove the passenger side kick panel by
unscrewing the black locking tab. Pull kick panel
away from position to remove. (Fig. 4-2)
c. Run the Quick-Sync Harness cable alongside
the factory wiring. Remove white plastic wire
clips using the pick tool by pushing away and
lifting. (Fig. 4-3)
d. Continue to run the length of the wire alongside
the passenger-side threshold. Lock plastic clips
after running the wire through. (Fig 4-4)
e. Reinstall glove box.
f. In the cargo area remove the passenger side
panel by pulling directly towards the driver side
of the vehicle. (Fig 4-5)
Fig. 4-2
Fig. 4-3
Pick Tool
Fig. 4-5
Fig. 4-4

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Procedure
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g. Remove the weather-stripping on the rear
passenger side door to access the side panel.
(Fig 4-6)
h. Apply pressure to the panel pushing towards the
driver side to disengage the locking clips. The
bottom-locking clip of the panel may require a
panel tool to disengage. Position the tool
between the tab and the frame of the vehicle
and pry open, (the panel does not require full
removal.) (Fig. 4-7)
h. You'll need just enough room to run the
umbilical cable to the rear cargo tray opening.
With the rear cargo tray off you will be able to
clearly see the channel where to run the
umbilical wire. (Fig. 4-8)
i. Run the wires far as possible on the top side the
wheel-well. Then reach from the cargo tray
opening to pull the remainder of the cable out.
Connector should rest in the center of the
opening with about 3 inches of slack. (Fig. 4-9)
j. Reinstall your passenger rear side panel,
weather-stripping, kick panel and threshold.
Fig. 4-7
Panel Tool
Fig. 4-8
Fig. 4-6
Fig. 4-9

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Procedure
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5. Rear Speaker Bypass Cable Installation
a. Remove the dead pedal in the driver-side
kick panel area. Using the panel tool, wedge
this piece out of place and pull directly
toward you. (Fig. 5-1)
b. Remove the driver-side threshold and driver-
side kick panel by unscrewing the black
locking tab. (Fig. 5-2)
c. Run all Wiring and Cables above the
accelerator pedal and steering column into
the driver-side kick panel. Run neatly and
out of the way. Use cable ties as necessary.
Leave any extra slack on the floor for now.
(Fig. 5-3)
d. In the kick panel area with a 10 mm socket
wrench remove the factory speaker module.
Loosen with 10mm socket and then pull out
directly towards you. (Fig. 5-4)
Fig. 5-1
Panel Tool
Fig. 5-2
Fig. 5-3
Fig. 5-4
10mm Socket

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Procedure
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e. With the factory speaker module in hand
disengage the locking tab on the bottom of
the module. Using a precision screwdriver or
pick tool, gently lift to unlock. Caution:
Locking tab only needs to be lifted slightly to
unlock the terminals of the factory
speaker module. Over prying the piece will
break the tab. (Fig 5-5)
f. Insert the terminals of your O+ rear speaker
bypass umbilical cable into the factory
speaker module. With the locking tab facing
down the orientation is as follows. (Fig. 5-6)
1. Under the factory grey and blue wires
you will insert the yellow and blue pins
from left to right.
2. Under the newly inserted yellow and
blue wires; insert the red and black pins
from left to right. There will be a factory
blue and white striped wire in the terminal
below.
g. After installing all the terminals and ensuring
that they're locked in place reinstall the
locking tab on the connector. (Fig. 5-7)
j. Reinstall the factory speaker module using a
10mm socket wrench. (Fig. 5-10)
Fig. 5-5
Pick Tool
Fig. 5-7
Fig. 5-6
Fig. 5-10
10mm Socket

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Procedure
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6. Power wire Installation
a. Under the hood on the driver-side, locate
the grommet for the main factory wiring
harness on the driver side of the firewall
directly above factory wiring. (Fig. 6-1)
b. Identify unused nipple and slice the tip off to
create an opening for the power wire.
(Fig. 6-2)
c. Under the dash area on driver-side, lubricate
power wire with silicone spray or
comparable substitute. Run through the
grommet. The wire will only go so far due to
the positioning of the factory wiring under
the hood. (Fig. 6-3)
d. Once enough slack is visible, pull the full
length of the power wire through under the
hood. You want just enough length to reach
your battery. Cut any additional slack. Note:
Avoid interference with accelerator and
brake pedals (Fig. 6-4)
e. Secure any wire slack to existing factory
wiring. Use cable ties as necessary.
Fig. 6-2
Fig. 6-1
Wire Cutters
Fig. 6-3
Fig. 6-4
Wire Cutters

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Procedure
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f. Under the hood on the driver-side, use a
panel tool to pry open the black fastener
holding the factory wiring in place. (Fig. 6-5)
g. Install supplied high-temp corrugated split
loom to cover the power wires and insulate
against extreme temperature under the
hood. (Fig. 6-6)
e. Run power wires to the battery by following
the direction of the factory wiring harness
towards the battery. Secure using cable ties
as necessary. (Fig. 6-7)
f. Use a wire stripper to strip 3/8" off the end of
the power wire. (Fig. 6-8)
Fig. 6-6
Fig. 6-5
Panel Tool
Fig. 6-8
Wire Strippers
Fig. 6-7

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Procedure
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f. Connect the power wires to the fuse holder
by inserting the 12-gage stripped power wire
into the Blue butt connector and crimp. (Fig.
6-9)
j. Apply heat to activate the solder and heat
shrink insulator for the best connection
possible. (Fig. 6-10)
7. Installation of the Fuse Holder
a. Remove the 10mm bolt from the battery’s
positive terminal. (Fig. 7-1)
b. Install the ring terminal of the fuse holder
lead then re-install the 10mm bolt and
tighten. Note: Do not install fuses at this
time. (Fig. 7-2)
Fig. 6-9
Crimper
Fig. 6-10
Heat Gun
Fig. 7-1
10mm Wrench
Fig. 7-2
10mm Wrench

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Procedure
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9. Dash Speaker installation
a. Using a pick or panel tool carefully lift dash
speaker grill up out of position. (Fig. 9-1)
b. Remove the two 10mm bolts holding the
factory dash speaker in place and remove
speaker. (Fig. 9-2)
c. Disconnect factory dash speaker and
position OEM Audio Plus 1" Tweeter in
position and Re-install dash speaker
connector. (Fig. 9-3)
d. Mount the OEM Audio Plus dash speaker by
using the two 10mm bolts. (Fig. 9-4)
Fig. 9-1
Pick Tool
Fig. 9-2
10mm Socket
Fig. 9-3
Fig. 9-4
10mm Socket

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Procedure
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e. Reinstall dash speaker grill and repeat
process for other side. (Fig. 9-5)
10. Front Door Speaker Installation
a. Use a pick tool to remove the cover behind
the interior door latch. (Fig. 10-1)
b. Remove #2 Phillips screw behind the door
latch.
c. Use a pick tool to remove the cover below
door grab handle and remove the #2 Phillips
screw behind the cover. (Fig. 10-2)
d. Use a panel tool to remove the window/door
lock control panel. Note: Insert tool between
the rear edge of the panel and the cloth
section of the trim to remove. (Fig. 10-3)
Fig. 9-5
Fig. 10-3
Panel Tool
Fig. 10-1
Pick Tool
Fig. 10-2
#2 Phillips
Fig. 10-2
#2 Phillips

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Procedure
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e. Disconnect window/door lock control
connectors from the panel. Use of a pick tool
or precision screwdriver is needed to
release connector. (Fig. 10-4)
f. Disengage door locking tab. (Fig. 10-5)
g. Use panel tool to disengage the clips behind
the door panel one at a time. Start at the
bottom, then the sides and finish at the top.
Use gentle force to remove door panel.
(Fig. 10-6)
h. Remove door latch assembly from door
panel by unsnapping and lifting the latch
connectors. Connectors need to be
reassembled in the same orientation (White
on top, Green on bottom.) (Fig. 10-7)
i. Set Door panel aside
Fig. 10-4
Fig. 10-5
Panel Tool
t
Pick Tool_
Fig. 10-4
Fig. 10-7
Fig. 10-6
Panel Tool
t

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Procedure
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j. Disconnect the 6X9 speaker connector.
(Fig. 10-8)
k. Remove the four 10mm bolts holding the
factory 6x9 speaker in place and remove
speaker. (Fig. 10-9)
l. Mount the 6x9 OEM Audio Plus speaker by
using the four 10mm bolts and re-install 6x9
speaker connector. (Fig. 10-10)
m. Reassemble door in reverse order - Taking
time to ensure all clips are engaged. Failure
to securely reinstall door panel may result in
rattles.
n. Repeat all steps for the other side
11. Subwoofer Installation
a. In the cargo area remove the two 10mm
bolts securing the cargo net hooks in place.
(Fig. 11-1)
Fig. 10-8
Fig. 10-9
10mm Socket_
t
Fig. 10-10
10mm Socket
t
Fig. 11-1
10mm Socket
t

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Procedure
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b. Install the top subwoofer-mounting bracket
together with the 10mm bolts to the
passenger side panel of the cargo area.
(Fig. 11-2)
c. Install the bottom subwoofer bracket to the
OEM Audio Plus Sub Enclosure using two
M6 Screws provided. (Fig. 11-3)
e. Plug the White and Gray 22-pin connectors
from the Quick-Sync Harness into their
designated receptacles on the DSP
Amplifier. (Fig. 8-5)
d. With the bottom subwoofer bracket installed.
Connect the Subwoofer umbilical cables to
the OEM Audio Plus Sub Enclosure.
(Fig. 11-4)
Fig. 11-3
4mm Hex
t
Fig. 11-2
10mm Socket
t
Fig. 8-5
Fig. 11-4

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Procedure
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e. Position the subwoofer assembly, insert and
hand tighten the top two M6 Screws. Do not
tighten completely at this time. (Fig. 11-5)
g. Install the two provided 10mm bolts into the
bottom subwoofer mounting bracket. Tighten
lower bracket completely. Tighten top
bracket mounting hardware completely.
(Fig. 11-6)
h. Locate the factory ground location near the
bottom subwoofer mounting bracket.
Remove the factory 10mm Bolt.
i. Re-install modified rear cargo tray or
optional deck side garnish. (Fig. 11-7)
Fig. 11-5
Fig. 11-7
Fig. 11-6
10mm Socket
t

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Procedure
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12. Fuse Installation
a. Insert the 30A fuse for the 12-gage power
wire. (Fig. 12-1)
b. Connect Battery Ground (-). (Fig. 12-2)
This concludes the OEM Audio Plus Reference
450Q Installation for the FJ Cruiser
Fig. 12-1
Fig. 12-2
10mm Wrench
t