PAC AP4-TY12 Manual

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PAC-audio.com

Page 1

Rev. 111317

Advanced Amplier Interface

for Select Toyota / Lexus Vehicles

AP4-TY12

The AP4-TY12 provides a 6-channel pre-amp output for use with aftermarket audio equipment. Using the full range,

xed level head unit output, in conjunction with data bus messages, the AP4-TY12 delivers a variable 5v RMS pre-

amp output with fading, balance, equalization, and level control capabilities. The module also retains audio from

other vehicle features such as factory navigation prompts, Bluetooth and Voice Activation. An accessory controlled

remote amplier turn on wire is also provided by the AP4-TY12. When used in conjunction with the APA-TOS1 (sold

separately), the module can provide a variable 2-channel ber optic digital audio output (TOSLINK).

Introduction and Features

Important Notes

1. Only compatible in vehicles equipped with a data bus controlled premium sound system. To verify compatibility in Toyota,

look for a JBL logo on the radio. In Lexus, compatible applications will have a center channel or factory subwoofer.

2. The AP4-TY12 does not support retention of the Easy Speak function.

3. Toyota Safety Connect and Lexus Enform (SOS) can easily be retained. See the Tech Brief "AP4-TY12 SOS Retention" at

PAC-audio.com for detailed instructions.

4. The factory radio's speed controlled volume, DSP, and surround sound mode are not supported by the AP4 outputs.

5. The factory amplier must remain connected, and in the vehicle after the AmpPRO has been installed.

6. Prior to testing, cycle the ignition off and back on again to properly initilize the AP4-TY12.

7. The radio's beep setting must be enabled on the factory radio in order to hear the audible tones when making selections

through the radio.

8. Initially, if the beep through the AP4-TY12 does not match the on / off selection through the radio, cycle the beep to the

opposite setting and back, then test again.

9. The radio's beep volume and minimum volume levels are set to 0 dB by default. If you are happy with this level in your

particular application, additional adjustment is not required. Please refer to the Setup and Conguration section on page 2

for more details.

10. The Radio's Nav / VR Voice, incoming E-mail tone, Ringtone, In-Call, Incoming SMS / MMS tone and Incoming SMS Voice

volumes can be adjusted through the radio's settings menu as they were prior to installation of the AP4-TY12.

11. The remote output is rated at 2A of current. If more current is needed, an external relay must be used.

12. Channels 5 and 6 are non-fading outputs. The output level of channels 5 and 6 can be controlled using the supplied level

control knob.

13. The level control knob must be connected in order to manually adjust the beep volume and minimum volume settings.

14. No adjustments can be made manually using the programming button when the module is connected to a PC.

15. Due to variations between various OEM radios and even between radio modes, the radio output voltage may vary slightly

from the selected 5 volt (or 4 volt when DIP switch 2 is down) output.

Wiring Connection Chart

To Aftermarket

Amplier

Non-FadingRearFront

1(L) 2(R) 4(R) 5(L) 6(R)3(L)

To Radio

Non-Fading

Level Control

Knob

To Vehicle

Harness

28 - Pin

6 - Pin

10 - Pin

AP4-TY12-HAR

Remote Turn On Output (2A Max)

Mute Input From Navigation *

Mute Input From Telematics *

* See Page 2 Installation Notes 11 and 12 for further details regarding the Mute Input leads.

PAC-audio.com

Page 2

Rev. 111317

Advanced Amplier Interface

for Select Toyota / Lexus Vehicles

AP4-TY12

Setup and Conguration

1. Turn the ignition on. LED 1 on the interface will turn on and the +12v remote output will turn on.

2. Set the amp gain(s) to the desired level. We recommend using an oscilliscope and test tones to set the amp gain(s). Please

refer to the MECP Advanced study guide (p. 360) if you are unfamiliar with this process.

3. Check volume, balance, fade and EQ settings.

4. If you would like to adjust the radio's beep volume or minimum volume, do so using one of the methods outlined below. If

you are happy with the default levels, no adjustments are necessary.

Manually Setting the Radio's Beep Volume

You can manually set the level of the factory radio beeps using the programming button on the side of the interface. If you would

like to set the beep volume using the PC app please proceed to the PC App section.

PLEASE NOTE: Level control knob must be connected to the module in order to set the Radio's Beep Volume.

Installation

1. Remove factory radio.

2. Disconnect the 28-pin harness, the 10-pin harness and the 6-pin harness from the radio.

3. Connect AmpPRO harnesses to vehicle harnesses.

4. Connect AmpPRO harnesses to factory radio.

5. Set any feature DIP switches that apply to your install.

a. DIP switch 1 is used for two channel mode. In this mode, both the TOSLINK and front RCA outputs (1 and 2) become

non-fading outputs.

b. Set DIP switch 2 on (down) to lower the RCA output voltage to 4v. Leave DIP switch 2 off (up) to keep the RCA output

voltage at 5v. See troubleshooting section on page 5 for more details.

c. DIP switches 3 and 4 are not used and should remain off (up).

6. If you are using the APA-TOS1 (sold separately) refer to the instructions included with that product for its installation.

7. Connect the AmpPRO harness to the module.

8. Connect the level control knob to the module and install in an accessible location.

9. Connect the signal cables and remote input from the aftermarket amplier.

10. Initially, if the beep through the AP4-TY12 does not match the on / off selection through the radio, cycle the beep to the

opposite setting and back, then test again.

11. The Yellow / Black "Mute Input from Telematics" wire will be used in conjunction with the Safety Connect / Lexus Enform

(SOS) Retention. See the Tech Brief "AP4-TY12 SOS Retention" at PAC-audio.com for detailed instructions.

12. The Brown "Mute Input From Navigation" is a spare mute lead that can be used for custom applications. The audio will be

muted whenever the Brown wire is supplied a ground.

DIP

1 2 3 4

Two Channel Mode 5v / 4v Preout Not Used Not Used

1 2 3 4

Set DIP switches to the ON position to activate the corresponding features.

Set DIP switches to the OFF position for any features that are not desired.

Module Layout

LED 1

Interface Connector 1

Expansion Port

TOSLINK Output

(APA-TOS1 sold separately)

Programming Button

Feature Select

DIP switches

Front Output

Ch. 1(L) and 2(R)

Non-Fading Level Control

Knob Connection

USB Connection Rear Output

Ch. 3(L) and 4(R)

Non-Fading Output

Ch. 5(L) and 6(R)

LED 2

Produkt Specifikationer

Mærke:	PAC
Kategori:	Ikke kategoriseret
Model:	AP4-TY12

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