PAC RP4-HD11 Introduction And Features Download Page 4

Radio Replacement and Steering Wheel Control 

Interface for Select Honda Vehicles

RP4-HD11

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Pacific Accessory Corporation

Page 4

Rev: 3

Date: 050818

SWC Re-calibration

1.  Turn the key to the ignition position.

2.  Press and hold the programming button for 7 seconds, until the LED begins 

blinking. When the LED begins blinking, release the programming button.

3.  Within 7 seconds, press  and release the button that is to be learned on the 

steering wheel. The LED will turn off when the button is pressed, and come back 

on when it is released. 

4.  If you need to program more buttons, repeat step 3 for each additional audio 

function on the steering wheel.

5. 

If you come across a function in the chart that your steering wheel does not 

have, press and release the program button on the side of the interface to skip 

that function. 

6. 

Once programming is completed, wait seven seconds. The LED will flash three 

times, indicating end of programming.

7.  Test the interface for proper functionality. Whenever a SWC is pressed, the 

LED on the interface should blink. If any function does not work, repeat the 

programming steps

This section only applies to the Answer, Hang Up and Voice buttons. All of the other buttons are data driven and will never 

require re-calibration.

SWC re-calibration is necessary when the SWC operation is erratic or non-existent. This process re-calibrates the SWC values 

to the RP4 interface, so it will know what they can be set to for button function assignment. The interface must be programmed 

in the specific order shown in the chart below. If you come across a function in the chart that your steering wheel does not have, 

you must press and release the program button, on the side of the interface, to skip that function. The LED will flash off and on, 

confirming that you have successfully skipped that function, and are ready to proceed to the next one. 

The SWC and radio command assignments can always be restored to default values by entering re-calibration mode (Steps 

1-2) and not pressing any buttons. After 7 seconds the re-calibration mode will time out, and all default values will be restored.

After you have re-calibrated the SWC buttons, the default SWC button assignments will be the same as what is listed in the 

chart on page 2. If you wish to re-assign button functions, you must also go through the programming process on page 3.

Answer
Hang

 

Up

Voice

Product Updates (Firmware)

The RP4-HD11 can be updated with new firmware as it becomes available, using the PAC-UP interface updater (sold separately). 

Please visit www.pac-audio.com/firmware for available updates.

Follow the procedure listed below to update the RP4-HD11:

1.  Unplug all connectors from the RP4 interface

2.  Set the rotary switch to position 0

3.  Connect the PAC-UP 

4.  Update the interface

5.  Disconnect the PAC-UP

6.  Set the rotary switch back to normal operating position

7.  Re-connect the RP4 to the vehicle

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