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Steering wheel volume controls


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Hi.

Recently acquired 2005 2.4l Alphard, with camper van conversion by Calder Campers nr. Livingston, W. Lothian.

As part of the conversion, they have fitted a Pioneer SPH-DA160DAB head unit, which is fine as it allows me to connect my phone, stream playlists, connect android auto as well as play the usual range of FM or DAB radio stations. However, I have been informed that it is not possible to connect the unit in a way that ensures that the steering wheel volume controls are functional. This struck me as a bit strange as it has been possible to connect in such a way that the rear reversing camera works. 
Can anyone advise whether it is actually possible to get the steering wheel volume controls to work ?

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Many thanks for that.
From the eBay ad it appears that the same one would probably do for my Pioneer unit, albeit with a 3.5mm jack connector rather than a single wire for your Kenwood. However, not sure if my level of expertise is sufficient to take on the job myself - is it something someone with very limited experience with auto audio should be taking on ?

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I had to cut two wires in the adapter however looks like for Pioneer you don't need to cut anything.

 

Connections are based on the sockets, simply plug in. Below post have some real pictures of the wiring.

 

 

 

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One of the first things I bought for my alphard was a steering wheel button adaptor,

removed the head unit to access the wiring harness behind, plugged it into the only socket it would fit into and the steering wheel buttons now work perfectly 👍

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  • 1 year later...
On 1/17/2022 at 1:00 PM, insideright said:

Hi.

Recently acquired 2005 2.4l Alphard, with camper van conversion by Calder Campers nr. Livingston, W. Lothian.

As part of the conversion, they have fitted a Pioneer SPH-DA160DAB head unit, which is fine as it allows me to connect my phone, stream playlists, connect android auto as well as play the usual range of FM or DAB radio stations. However, I have been informed that it is not possible to connect the unit in a way that ensures that the steering wheel volume controls are functional. This struck me as a bit strange as it has been possible to connect in such a way that the rear reversing camera works. 
Can anyone advise whether it is actually possible to get the steering wheel volume controls to work ?

Hi did you solve this problem i'm in the same boat with the same head unit 
Thanks

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10 hours ago, Fred said:

Hi did you solve this problem i'm in the same boat with the same head unit 
Thanks

 

Hello Fred,

 

Welcome to the Forum

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On 1/17/2022 at 1:00 PM, insideright said:

Hi.

Recently acquired 2005 2.4l Alphard, with camper van conversion by Calder Campers nr. Livingston, W. Lothian.

As part of the conversion, they have fitted a Pioneer SPH-DA160DAB head unit, which is fine as it allows me to connect my phone, stream playlists, connect android auto as well as play the usual range of FM or DAB radio stations. However, I have been informed that it is not possible to connect the unit in a way that ensures that the steering wheel volume controls are functional. This struck me as a bit strange as it has been possible to connect in such a way that the rear reversing camera works. 
Can anyone advise whether it is actually possible to get the steering wheel volume controls to work ?

Hi

 

Think I picked up my AWD 3.0 2007 Alphie from Calder a week or two after you. They initially told me that the Pioneer wouldn’t work with the steering controls but after I pressed them on the subject they managed to work out how to do it. The camera was replaced but everything else works as it should.

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I'm not sure what the issue is, it's just a standard resistance based system. 

Pretty much any android based headunit comes with a learn function - the sole purpose is to measure the resistance as each button is pressed - as long as they connect the 2 switch wires and in some cases, the ground. 

 

These dodgy pioneer and alpine systems probably like to sell some overpriced 'adaptor' that is just some proprietary connector, and that is the real problem, they don't usually sell EU spec headunits with jdm connectors. 

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51 minutes ago, Chris.ac said:

I'm not sure what the issue is, it's just a standard resistance based system. 

Pretty much any android based headunit comes with a learn function - the sole purpose is to measure the resistance as each button is pressed - as long as they connect the 2 switch wires and in some cases, the ground. 

 

These dodgy pioneer and alpine systems probably like to sell some overpriced 'adaptor' that is just some proprietary connector, and that is the real problem, they don't usually sell EU spec headunits with jdm connectors. 

I got everything working including front and rear camera even the oem dab antenna works, there are four connectors i tried each in turn and found 2 give full signal and two give reduced signal so just used one of the ones that gave full signal and tucked the others out the way. As for the steering controls i got the mode button to function correctly by putting a 500 ohm resistor in series with the input but can not get the volume and seek buttons to work, i can't find any info on what the head unit needs to work but i have a feeling there is only a ground and one input because no matter what i try i cannot get anything to happen on the second input of the jack plug so i think your right i might have to buy some overpriced adaptor to convert the two outputs from the steering wheel into one which i don't mind but need to know what works for sure before i buy 

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  • 3 weeks later...

I installed an Eonon Android head unit in my 2004 3.0 and used that exact dynamic sounds adaptor and it worked out the box. It comes with a 'universal patch lead' which has dipswitches for compatibility with different manufacturers and wiring variances, by default it worked with mine so I didn't need to change anything. It claims compatibility with pioneer head units without needing to change anything also, so should be literally plug and play.

 

If in doubt, get in touch with dynamic sounds and buy direct from their website, it'll cost a few quid extras but I'd be confident they'd take a return if it didn't work. I'm sure they would on eBay as well, but going directly though them without the middleman might be worth it for the peace of mind.

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7 hours ago, charlaph said:

I installed an Eonon Android head unit in my 2004 3.0 and used that exact dynamic sounds adaptor and it worked out the box. It comes with a 'universal patch lead' which has dipswitches for compatibility with different manufacturers and wiring variances, by default it worked with mine so I didn't need to change anything. It claims compatibility with pioneer head units without needing to change anything also, so should be literally plug and play.

 

If in doubt, get in touch with dynamic sounds and buy direct from their website, it'll cost a few quid extras but I'd be confident they'd take a return if it didn't work. I'm sure they would on eBay as well, but going directly though them without the middleman might be worth it for the peace of mind.

Thanks i'll look into that i have the mode button working but not the volume or seek buttons which i thought i could live with but i cant when the buttons are there not working LOL i didn't realise how much i used them until they were gone.

Edited by Fred
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