PAC AP4-TY12 Manual Download Page 5

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Rev. 111317

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AP4-TY12

Restoring Factory Settings

You can restore the interface to factory default settings by pressing and holding the programming button on the side of the 
module until the status LEDs start blinking red. Once the LEDs start blinking red, release the button.

This reset will restore the following settings to their factory defaults:
• 

Radio Beeps volume level

• 

Enable / Disable Factory Beeps

• 

Minimum volume level

• 

Enable / Disable factory EQ

• 

Factory EQ frequency

• 

Factory EQ Q factor

Troubleshooting

1.  No audio - Check to see if LED 1 is illuminated. If not, cycle the ignition off and back on. 
2.  Hiss at high amp gain - Set feature DIP switch 2 to the on (down) position to lower the output voltage of the AP4 to 4v. If you 

still hear the hiss, lower your amp gains until the hiss is gone.  

3.  Cannot hear beeps when pressing buttons on the radio - Go to the Beep On / Off setting in the radio's settings menu and 

make sure it is set to ON.  If it is, set it to OFF and back to ON and test for beeps again.  Next, set the beep volume using 

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4. 

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the AmpPRO application.

5.  Drastic volume difference between radio sources - The radio stores the volume of the radio source from the last time that 

source was used.  Readjust the volume of the individual sources to the same output level.

Action / Color

During Normal Operation

Solid Red

Module Active

Solid Green

Chime Volume Adjustment Mode

Solid Amber

Minimum Volume Adjustment Mode

Rapid Blink Any Color

DSP Activity

LED2

Blink Amber

USB Connection Detected

Both LEDs

Alternate Blinking Red

Performing Memory Reset

LED Legend

LED 1

Summary of Contents for AP4-TY12

Page 1: ...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 o...

Page 2: ...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...

Page 3: ...would like to set the minimum volume using the AmpPRO app please proceed to the AmpPRO App section 3 6 127 HYHO FRQWURO NQRE PXVW EH FRQQHFWHG WR WKH PRGXOH LQ RUGHU WR VHW WKH 0LQLPXP 9ROXPH 6HWWLQJ...

Page 4: ...enable disable the 3 band factory EQ DVV 0LG 7UHEOH UHT 4 DFWRU This allows you to set the center frequency that will be adjusted when setting the 3 band factory EQ as well as the Q Factor for each fr...

Page 5: ...ur amp gains until the hiss is gone 3 Cannot hear beeps when pressing buttons on the radio Go to the Beep On Off setting in the radio s settings menu and make sure it is set to ON If it is set it to O...

Page 6: ...module This telematics module is what creates the audio for the SOS system Voice Prompts etc There is an analog mute wire that runs from the SOS module to the factory amp and when the SOS is triggered...

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Page 8: ...DNHU ZLUHV WKHQ XVH WKH IURQW ULJKW VSHDNHU RXWSXW IURP WKH 6DIHW RQQHFW 0RGXOH WR FRQQHFW WR WKH GRRU VSHDNHU WKDW QHHGV WR EH SRZHUHG E WKH DIWHUPDUNHW DPSOL HU 0HWKRG FDQ EH VXEVWLWXWHG IRU HDVH RI...

Page 9: ...KHP RXW WHQG D VSHDNHU ZLUH IURP WKH 6DIHW RQQHFW DXGLR RXWSXW ZLUHV WR DQ H WHUQDO RKP VSHDNHU DQG KLGH LW LQ D SODFH ZKHUH LW ZLOO EH DXGLEOH FRPPRQO XQGHU WKH GDVKERDUG RQ WKH GULYHU V VLGH RI WKH...

Page 10: ...17 Lt Green Prius 2010 2011 Under Front Right Seat In Dash Below Radio 38 Pin Connector Pin 2 Lt Green Pin 3 Blue 38 Pin Connector Pin 5 Lt Green Pin 6 Blue 38 Pin Connector Pin 17 Green Prius 2016 20...

Page 11: ...or Pin 17 Black IS250 IS350 2010 2013 Right Rear Side in Rear Cargo Area Right Side of Dash Behind Glovebox 38 Pin Connector Pin 2 Blue Pin 3 Lt Green 38 Pin Connector Pin 5 Lt Green Pin 6 Red 38 Pin...

Page 12: ...ct Module Output Audio Telematics Mute Trigger RX Series 2010 2015 Under Floor Right Front Side of Luggage Compartment On Floor Below Center Console 38 Pin Connector Pin 2 Red Pin 3 Pink 38 Pin Connec...

Page 13: ...Bus Simplifies amplifier installation in data bus controlled factory sound systems Provides variable volume fade balance bass mid and treble audio settings Retains warning chimes navigation prompts Bl...

Page 14: ...play t 2 _ r 1 S ub A u di_ o___ i harness prov1des aud10 _ __ from yow factory rad1o I Original Factory Amplifier I ___ _ I _ Optional TOSUNK output for other I DSP processor or amplifier options vw...

Page 15: ...6 It lU JJ 1111t...

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