 | Home > In Car Electronics > Pioneer MVH-X560BT only working with ignition ON... |
 
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| Bushpig Member Since: 07 Nov 2013 Location: Risca, Wales Posts: 236   
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The HU will not come on without the ignition being in position I or II?
The factory fitted HU would come on for 1 hour at a time and this was working 5 minutes before changing the HU. I checked the LR wiring, the PURPLE wire is PERMANENT LIVE & ORANGE/WHITE wire is IGNITION LIVE (could have this wrong?) On the HU, YELLOW wire is PERMANENT LIVE & RED wire is IGNITION LIVE On the supplied ISO adapter, this is how the wires connect. The pioneer manual says that the red & yellow wires may need to be swapped. I tried swapping them, still no operation with the ignition off??? 
Could this have something to do with the 'radio code'? Hoping someone out there has fitted this same HU or has had the same issues and a simple solution will solve it... Thanks in advance Other than that, this HU is near the top of my list of upgrades. Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. Douglas Adams 2012 2.2 Puma |
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16th Mar 2016 8:12am |
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| Bushpig Member Since: 07 Nov 2013 Location: Risca, Wales Posts: 236
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Yep, Mr. Smith
That is the exact wiring diagram I checked before opening up the console. There were 4 wires on the LR side: Black = Earth Orange/White = Ignition Live Purple = Permanent Live ??? = ??? (Just went to check what it was & now cannot get HU surround off, to get it out to check) But it was 0 volts with ignition off & did not check it with ignition on, yesterday during install. The HU is holding all user settings and radio tuned frequencies... Currently it is connected: HU - LR Yellow - Purple Red - Orange/White Black - Black Blue/White - ??? (but this is the wired remote, which I don't have & will never use) & if I swap the Yellow & Red on the ISO adapter, it does not hold the settings, just as though the battery has been disconnected. So do believe that I've got the wiring right 
But no HU with ignition off... Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.
Douglas Adams 2012 2.2 Puma |
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16th Mar 2016 9:36am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
 Click image to enlarge the only way i can see your radio working ign off is to wire the red and yellow wires to the permanent feed if this will not switch the radio on add switch red wire as the radio may need switched supply to trigger to start working |
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16th Mar 2016 10:22am |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2244  
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My new Sony HU is the same. It's wired correctly so I assume it's the HU. Not a problem though.
Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey |
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16th Mar 2016 11:45am |
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| Bushpig Member Since: 07 Nov 2013 Location: Risca, Wales Posts: 236
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Thanks Mo
Yep, appears that the HU does only function through the switched live. The permanent live is just there to stop settings, etc. being reset when ignition is off. But have mailed Pioneer to see what they say... Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. Douglas Adams 2012 2.2 Puma |
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17th Mar 2016 4:53am |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6611 
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Some ISO adapters have extra plugs and sockets on them so you can connect the aux (red) feed to the permanent (yellow), so the head unit stays on until you switch it off.
Check your adapter cable  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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17th Mar 2016 7:53am |
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| Bushpig Member Since: 07 Nov 2013 Location: Risca, Wales Posts: 236
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My ISO adapter only has:
1 red 1 yellow 1 blue/white 1 black Guess I'll just have to live with it 'as is' for now... Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. Douglas Adams 2012 2.2 Puma |
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17th Mar 2016 11:07am |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4709 
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Had the same issue and I e-mailed Pioneer and they sent this reply.
"Our head units have an ignition wire connection in their wiring loom and will not come on unless the ignition connection is live. Some OEM headunits are devised by the car manufacturer that they are not dependent on this but all our product works in this manner." 1982 88" 2.25 diesel 1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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19th Mar 2016 2:12pm |
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| Bushpig Member Since: 07 Nov 2013 Location: Risca, Wales Posts: 236
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Thanks Spud...
I've still not heard back from Pioneer 
Did you find a solution or are you just using it as is? Martin... Do you think it would work to join the red & yellow wires? Or would this just cause potential battery drain, other electrical issues or possibly blow the HU? Happy Saturday  Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.
Douglas Adams 2012 2.2 Puma |
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19th Mar 2016 3:00pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4709
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It's no big deal really as it comes on when the Land Rover is started. If we want to use it when parked up I just put the ignition key to the "power" position. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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19th Mar 2016 4:06pm |
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| Bushpig Member Since: 07 Nov 2013 Location: Risca, Wales Posts: 236
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Hi Spud
I used my vehicle for the first time at night and noticed that the HU lights do not dim when turning on the vehicle lights. Does yours do the same? Cheers Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. Douglas Adams 2012 2.2 Puma |
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29th Mar 2016 5:49am |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4709
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Mine is the same, it stays the same. You can go into the settings menu and set the panel so that it is not as bright but the instructions are not the best. Good unit though! 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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29th Mar 2016 8:12am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20451
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They are wired like that to prevent un-intentional battery drain.
Which would inevitably happen with the best will in the world. The blue / white wire is the remote or RMT12v, it's used as a live switch for turning on an Amplifier. Make sure the bare wire isn't exposed if not used as it is live. Last edited by custom90 on 29th Mar 2016 3:12pm. Edited 1 time in total |
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29th Mar 2016 8:28am |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4709
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 Thank you. I don't bother with the remote. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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29th Mar 2016 8:40am |
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