PAC Audio RP4-HD11 Instructions Manual
RP4-HD11
SWC Connection
See above chart for
different radio type
connections
x4
Acc On/
Programming
LED
Programming
Button
Aftermarket Radio Connections
See above chart for wire color
description.
Cut for Non-Amplied systems
Vehicle Connections
Radio Replacement & Steering Wheel Control Interface
for Honda Vehicles
Introduction & Features
The RP4-HD11 interface allows the replacement of a factory radio in select Honda vehicles with MSCAN databus radios. Using this
interface will retain factory features such as steering wheel controls (SWC), the factory amplier and the ability to set the factory clock
when the original radio is removed. Use of this interface also allows you to program two radio functions to each SWC button by using
short press long press dual command functionality. The RP4-HD11 also provides data bus driven outputs such as accessory power,
vehicle speed sensor (VSS), illumination, reverse trigger and parking brake.
Important Notes
1. The radio select rotary switch on the side of the interface must be adjusted to the proper radio setting before plugging the interface into the
vehicle (see next page for setting chart).
2. The interface comes pre-programmed for all of the vehicles factory SWC functions and does not require programming unless you wish
to re-assign the SWC functions or utilize short press long press dual command functionality. The SWC can always be restored to default
settings by pressing and releasing the program button on the side of the interface once and waiting 7 seconds for the LED to ash 4 times.
3. Vehicles equipped with factory navigation must follow the installation tech brief listed at www.pac-audio.com under the RP4-HD11 product
page.
4. Vehicles equipped with a 7” touchscreen: Once the factory head unit has been removed you will no longer be able to set the clock or date
on the factory display as this is derived from the factory head unit. The date on the screen can be permanently removed by disconnecting
the batttery to clear the screen’s memory. In order to set the clock you will need to disconnect the vehicles battery at 1:00 as this is the time
the screen defaults to once it has been reset.
5. The LED will ash whenever a SWC button is pressed.
Wiring Connection Chart
Interface Connector
Red / White Parking Brake
Output (-)
Purple / White Vehicle Speed
Output
Red Accessory Output
(1 amp)
Orange / White Illumination Output
(+)
Green Reverse Output (+)
White/Green SWC Analog Input
Illustration / Schematic
Wiring
Vehicle Connector
Yellow Battery +12v
Black Ground
Orange Dimmer
Orange/White Illumination
White Front L + input
White / Black Front L - input
Grey Front R + input
Grey / Black Front R - input
Green Rear L + input
Green / Black Rear L - input
Purple Rear R + input
Purple / Black Rear R - input
SWC Connector
Blu/Yel Kenwwod, Newer
JVC
3.5mm Jack Alpine, JVC,
Clarion, Fusion,
Pioneer, Sony,
Boyo, Dual,
Lightning Audio,
Visteon or Advent
SWC Connection
Pacic Accessory Corporation® | Santa Ana, California 92705 | Ph. 866-931-8021 | support@pac-audio.com
©2013 Pacic Accessory Corporation
www.pac-audio.com
Rev. 042314
Page 1
RP4-HD11
r
V
V
V
r
r
8
16 9
1
Connect wire in Pin 3 to the
white/green wire in pin 5
of the RP Interface plug
1
2
3
4
5
6
7
8
9
0
Radio Replacement & Steering Wheel Control Interface
for Honda Vehicles
Installation Steps
SET RADIO SELECT SWITCH
Alpine JVC Kenwood Clarion Pioneer/Other Sony Fusion
1 2 3 4 7 8 9
Other = Advent, BOYO, Dual, Lightning Audio, Rockford Fosgate, Visteon
IMPORTANT! If you wish to use the Voice, Answer and End buttons you must hardwire them into the RP4-HD11. The wire you
need to connect into can be found by removing the plastic panels surrounding the steering wheel column and accessing the
connector which houses the wire (Fig. 1). Once you have located the connector you must connect into the wire located in pin
3 (Fig. 2). Wire colors are normally Blue in the Civic & Yellow in the CRV but may vary by vehicle. Connect to the RP4-HD11
interface connector as shown in Fig. 3.
SWC Plug
Fig. 1 Fig. 2
1. The radio select rotary switch on the side of the interface must be adjusted to the proper radio setting before plugging the interface
into the vehicle.
2. Make all connections as described in the chart on page 1. If there is a Premium Audio system present: Connect the RCA inputs to the
aftermarket radios pre-amp output. The audio level will vary depending on the new radios pre-amp output voltage (2-4 volts is recommended).
If there is not a Premium Audio system present: Cut the RCA inputs off and connect the aftermarket radios speaker outputs to the
remaining wire according to the chart on page 1.
3. If the vehicle is equipped with a factory subwoofer plug the RCA cables connected to the 8 pin plug into the Subwoofer or Non-Fading output
of the aftermarket radio.
4. Connect the SWC wire according to the chart on page 1 (aftermarket radio MUST support a wired remote input).
5. If you wish to reassign functions to the SWC follow the programming instructions on the next page.
Pin 3
Fig. 3
Default Steering Wheel Control Programming
IMPORTANT! The interface comes pre-programmed for all of the vehicles factory SWC functions and does not require programming
unless you wish to re-assign the SWC functions or utilize short press long press dual command functionality. The SWC can always
be restored to default settings by pressing and releasing the program button on the side of the interface once and waiting 7
seconds for the LED to ash 4 times.
Default SWC Button Assignments
olume + Volume + Volume + Volume + Volume + Volume + Volume + Volume +
olume - Volume - Volume - Volume - Volume - Volume - Volume - Volume -
Source Source Source Source Source Source Source Source
Track + Track + Track + Track + Search + Track + Track + Track +
Track - Track - Track - Track - Search - Track - Track - Track -
oice/Mute Mute Mute Mute Mute Mute Mute Mute
Phone Answe
Phone End End Reject Voice End End Reject/Source Powe
Pacic Accessory Corporation® | Santa Ana, California 92705 | Ph. 866-931-8021 | support@pac-audio.com
Alpine JVC Kenwood Clarion Pionee
Receive Receive Answer Send Answer Call Answer/End Audio
Sony
©2013 Pacic Accessory Corporation
www.pac-audio.com
Fusion
Rev. 042314
Page 2
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