How to connect audio steering wheel controls with aftermarket radio
03-05-22, 12:36 PM
#16
I figured out the steering wheel controls.
I used an ASWC-1
Pink from ASWC to Green on Pin 3 of the 6 pin harness
Blue/Pink from ASWC to Pin 6 of the 6 pin harness
(Pin 3 and Pin 6 are the two that oppose the blank pins on the connector. They are on the opposite end of the blanks)
ADD a 68ohm resistor across the Pink and Blue/Pink (You need to solder these connections)
Yellow/Green from ASWC connects to 12v+ (I tied it into the red ignition wire on the ASWC)
Power it up, and it auto programs.
The reason this works is because the wires that connected from the Gateway ECU to the radio are CAN BUS. The ASWC supports the CAN protocol on Lexus vehicles from 2002-2009 with the same protocols.
Viola, steering wheel controls on the LS430
BIG THANKS to Jay at Metra for the info needed to get this working.
-Mitch
I used an ASWC-1
Pink from ASWC to Green on Pin 3 of the 6 pin harness
Blue/Pink from ASWC to Pin 6 of the 6 pin harness
(Pin 3 and Pin 6 are the two that oppose the blank pins on the connector. They are on the opposite end of the blanks)
ADD a 68ohm resistor across the Pink and Blue/Pink (You need to solder these connections)
Yellow/Green from ASWC connects to 12v+ (I tied it into the red ignition wire on the ASWC)
Power it up, and it auto programs.
The reason this works is because the wires that connected from the Gateway ECU to the radio are CAN BUS. The ASWC supports the CAN protocol on Lexus vehicles from 2002-2009 with the same protocols.
Viola, steering wheel controls on the LS430
BIG THANKS to Jay at Metra for the info needed to get this working.
-Mitch
06-01-22, 02:54 PM
#19
thanks in advance
I figured out the steering wheel controls.
I used an ASWC-1
Pink from ASWC to Green on Pin 3 of the 6 pin harness
Blue/Pink from ASWC to Pin 6 of the 6 pin harness
(Pin 3 and Pin 6 are the two that oppose the blank pins on the connector. They are on the opposite end of the blanks)
ADD a 68ohm resistor across the Pink and Blue/Pink (You need to solder these connections)
Yellow/Green from ASWC connects to 12v+ (I tied it into the red ignition wire on the ASWC)
Power it up, and it auto programs.
The reason this works is because the wires that connected from the Gateway ECU to the radio are CAN BUS. The ASWC supports the CAN protocol on Lexus vehicles from 2002-2009 with the same protocols.
Viola, steering wheel controls on the LS430
BIG THANKS to Jay at Metra for the info needed to get this working.
-Mitch
I used an ASWC-1
Pink from ASWC to Green on Pin 3 of the 6 pin harness
Blue/Pink from ASWC to Pin 6 of the 6 pin harness
(Pin 3 and Pin 6 are the two that oppose the blank pins on the connector. They are on the opposite end of the blanks)
ADD a 68ohm resistor across the Pink and Blue/Pink (You need to solder these connections)
Yellow/Green from ASWC connects to 12v+ (I tied it into the red ignition wire on the ASWC)
Power it up, and it auto programs.
The reason this works is because the wires that connected from the Gateway ECU to the radio are CAN BUS. The ASWC supports the CAN protocol on Lexus vehicles from 2002-2009 with the same protocols.
Viola, steering wheel controls on the LS430
BIG THANKS to Jay at Metra for the info needed to get this working.
-Mitch
06-02-22, 05:52 PM
#20
Hey there,
There are 2 harnesses that plug into the radio. One is a 20 pin "Main" harness that has all the power, ground, sound, illumination, etc. The second one is a little 6 pin guy that only carries CAN-BUS (or MPX).
There are 2 sets of green/red wires in the 6 pin harness. One pair goes to the multi display (Touchscreen), and the other pair goes to the gateway module.
The way the LS430 is wired is as follows:
The steering wheel controls are wired together with the display selection buttons on the right side of the steering wheel. The two connect to the clockspring, which goes down the steering column to the Gateway module (Small computer on the left end of the dash). The gateway module can tell which button is being pressed on the steering wheel, and then sends the command to the proper destination which in this case is either the display to the left of the temp readout dead center on the cluster, or to the radio.
Once they get sent to the radio, the it will function as desired, You press volume up, the radio volume increases, you change the mode, and the mode changes. You need an aftermarket module like the Axxcess ASWC-1 to decode these signals that come from the gateway module, and send them to the aftermarket radio.
To answer your question, the harness that you're looking for is the small 6 pin one that plugs into the factory radio. This may be slightly different if you don't have NAV, but there will be an "Auxiliary" harness that plugs into the radio with these wires.
Does your LS have NAV? If not, I can look up which wires you'll need to use to make it all work.
I looked up a picture of the MVA-23L Beatsonic harness that I used when I originally installed my radio. You'll see in the pic that there are 2 plugs, the 6 pin is the smaller one.
There are 2 harnesses that plug into the radio. One is a 20 pin "Main" harness that has all the power, ground, sound, illumination, etc. The second one is a little 6 pin guy that only carries CAN-BUS (or MPX).
There are 2 sets of green/red wires in the 6 pin harness. One pair goes to the multi display (Touchscreen), and the other pair goes to the gateway module.
The way the LS430 is wired is as follows:
The steering wheel controls are wired together with the display selection buttons on the right side of the steering wheel. The two connect to the clockspring, which goes down the steering column to the Gateway module (Small computer on the left end of the dash). The gateway module can tell which button is being pressed on the steering wheel, and then sends the command to the proper destination which in this case is either the display to the left of the temp readout dead center on the cluster, or to the radio.
Once they get sent to the radio, the it will function as desired, You press volume up, the radio volume increases, you change the mode, and the mode changes. You need an aftermarket module like the Axxcess ASWC-1 to decode these signals that come from the gateway module, and send them to the aftermarket radio.
To answer your question, the harness that you're looking for is the small 6 pin one that plugs into the factory radio. This may be slightly different if you don't have NAV, but there will be an "Auxiliary" harness that plugs into the radio with these wires.
Does your LS have NAV? If not, I can look up which wires you'll need to use to make it all work.
I looked up a picture of the MVA-23L Beatsonic harness that I used when I originally installed my radio. You'll see in the pic that there are 2 plugs, the 6 pin is the smaller one.
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danforth (07-15-22)
06-03-22, 06:49 AM
#21
Hey there,
There are 2 harnesses that plug into the radio. One is a 20 pin "Main" harness that has all the power, ground, sound, illumination, etc. The second one is a little 6 pin guy that only carries CAN-BUS (or MPX).
There are 2 sets of green/red wires in the 6 pin harness. One pair goes to the multi display (Touchscreen), and the other pair goes to the gateway module.
The way the LS430 is wired is as follows:
The steering wheel controls are wired together with the display selection buttons on the right side of the steering wheel. The two connect to the clockspring, which goes down the steering column to the Gateway module (Small computer on the left end of the dash). The gateway module can tell which button is being pressed on the steering wheel, and then sends the command to the proper destination which in this case is either the display to the left of the temp readout dead center on the cluster, or to the radio.
Once they get sent to the radio, the it will function as desired, You press volume up, the radio volume increases, you change the mode, and the mode changes. You need an aftermarket module like the Axxcess ASWC-1 to decode these signals that come from the gateway module, and send them to the aftermarket radio.
To answer your question, the harness that you're looking for is the small 6 pin one that plugs into the factory radio. This may be slightly different if you don't have NAV, but there will be an "Auxiliary" harness that plugs into the radio with these wires.
Does your LS have NAV? If not, I can look up which wires you'll need to use to make it all work.
I looked up a picture of the MVA-23L Beatsonic harness that I used when I originally installed my radio. You'll see in the pic that there are 2 plugs, the 6 pin is the smaller one.
There are 2 harnesses that plug into the radio. One is a 20 pin "Main" harness that has all the power, ground, sound, illumination, etc. The second one is a little 6 pin guy that only carries CAN-BUS (or MPX).
There are 2 sets of green/red wires in the 6 pin harness. One pair goes to the multi display (Touchscreen), and the other pair goes to the gateway module.
The way the LS430 is wired is as follows:
The steering wheel controls are wired together with the display selection buttons on the right side of the steering wheel. The two connect to the clockspring, which goes down the steering column to the Gateway module (Small computer on the left end of the dash). The gateway module can tell which button is being pressed on the steering wheel, and then sends the command to the proper destination which in this case is either the display to the left of the temp readout dead center on the cluster, or to the radio.
Once they get sent to the radio, the it will function as desired, You press volume up, the radio volume increases, you change the mode, and the mode changes. You need an aftermarket module like the Axxcess ASWC-1 to decode these signals that come from the gateway module, and send them to the aftermarket radio.
To answer your question, the harness that you're looking for is the small 6 pin one that plugs into the factory radio. This may be slightly different if you don't have NAV, but there will be an "Auxiliary" harness that plugs into the radio with these wires.
Does your LS have NAV? If not, I can look up which wires you'll need to use to make it all work.
I looked up a picture of the MVA-23L Beatsonic harness that I used when I originally installed my radio. You'll see in the pic that there are 2 plugs, the 6 pin is the smaller one.
I'm also not using a mva-23L beatsonic, I used the to hook up to my radio and so far it works good and do have ready to go
06-03-22, 07:53 AM
#22
My LS does NOT have nav unit, thanks in advance!
I'm also not using a mva-23L beatsonic, I used the Metra TYTO-01 JBL Amplifier Interface Harness to hook up to my radio and so far it works good and do have Metra Axxess ASWC-1 Steering Wheel Control Interface ready to go
I'm also not using a mva-23L beatsonic, I used the Metra TYTO-01 JBL Amplifier Interface Harness to hook up to my radio and so far it works good and do have Metra Axxess ASWC-1 Steering Wheel Control Interface ready to go
06-03-22, 08:32 PM
#23
No its not. You have to solder it in.
You may be able to use the TOY-LEX plug in harness (from Axxcess), but I don't think the connector on the harness will work. It may work if you DO NOT have nav.
You may be able to use the TOY-LEX plug in harness (from Axxcess), but I don't think the connector on the harness will work. It may work if you DO NOT have nav.
07-14-22, 11:41 PM
#25
As best I understand, the ASWC is a universal steering wheel control module. It works on all kinds of makes and models of vehicles from Audi, VW, BMW, Mercedes, etc. The 68ohm resistor is what allows the can-bus on the certain Toyota/Lexus vehicles to be decoded by the ASWC. Its required for the setup to work. I tried installing the ASWC without the resistor before I learned about it and contacted AXXCESS. It did not work, and the vehicle was not automatically identified like it supposed to be with the resistor installed.
07-15-22, 05:50 PM
#27
You'll use 1 resistor connecting one wire to the other. It will look like an H. I used a stripper that allowed me to make a military splice in the 2 wires like in the photos below.
You stick the resistor ends through the holes and wrap it a couple times, trim off the excess, and solder it. Make sure to tape it all up well so there is no bare metal from the resistor, or the wire.
You stick the resistor ends through the holes and wrap it a couple times, trim off the excess, and solder it. Make sure to tape it all up well so there is no bare metal from the resistor, or the wire.
07-15-22, 06:23 PM
#28
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You'll use 1 resistor connecting one wire to the other. It will look like an H. I used a stripper that allowed me to make a military splice in the 2 wires like in the photos below.
You stick the resistor ends through the holes and wrap it a couple times, trim off the excess, and solder it. Make sure to tape it all up well so there is no bare metal from the resistor, or the wire.
You stick the resistor ends through the holes and wrap it a couple times, trim off the excess, and solder it. Make sure to tape it all up well so there is no bare metal from the resistor, or the wire.
07-15-22, 06:42 PM
#29
The system is EXTREMELY sensitive to resistance changes. Unfortunately, even a small amount of extra resistance by not soldering the wires could make it not function. This was stressed to me by Jay at Metra. I would solder the wires, and make sure you do a reset on the module afterward.
07-15-22, 08:28 PM
#30
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Ok I soldered the wires and the results are the same. Just to verify…
aswc pink wire goes to pin 3 green wire.
aswc blue with pink stripe goes to pin 6 red wire.
Aswc yellow wire with green stripe goes to 12v ignition power
Aswc red wire goes to 12v power
aswc black wire goes to ground
added a 68ohm resistor in between the pink and the blue with pink stripe.
The resistor I used is 1/2 watt rated resistor.
aswc pink wire goes to pin 3 green wire.
aswc blue with pink stripe goes to pin 6 red wire.
Aswc yellow wire with green stripe goes to 12v ignition power
Aswc red wire goes to 12v power
aswc black wire goes to ground
added a 68ohm resistor in between the pink and the blue with pink stripe.
The resistor I used is 1/2 watt rated resistor.