Member Since: 26 Dec 2016
Location: Ludlow
Posts: 4
Dead infotainment system
Recently in my Disco3HSE MY06, infotainment decided to stop working: radio, touchscreen are cold and black. I thought: " yeah it's LR so hard reset would fix it" but surprisingly didn't....
I have checked fuses in the cabin and all three of them are OK, units under the seats doesn't have lose connection, I've taken out the radio and checked connection for both radio and touchscreen all good and finally using IIDtool I've checked once again faults and one thing looks suspicious to me- amplifiers, radios, cellphone,navigation ECU not found... is it possible and likely that ECU for infotainment is faulty? Or somewhere between fusebox and ECU power cable is broken and there is no power supply to it?
Can anyone shed any light on possible options for fixing it?
Obviously I love my Landy so push off the cliff option is not considered.
Thanks in advance for any help
28th Mar 2021 6:25 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10360
The headunit is the master.
Check the thick wires have power thick blue/purple wire
And the black is a good ground
If it does, you probably need a new head unit
28th Mar 2021 7:06 pm
wiktorsj
Member Since: 26 Dec 2016
Location: Ludlow
Posts: 4
Thank you for your comment,
If the worst happens and I'd need to swap head unit does it require to programming by stiller or I can do it using IIDtool?
28th Mar 2021 7:14 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10360
Don’t think you need to reprogram.
Make sure you get the 6 disc version though.
28th Mar 2021 7:49 pm
wiktorsj
Member Since: 26 Dec 2016
Location: Ludlow
Posts: 4
10.8V on Blue/purple so power is present in the connector, I will get "new" head unit and hopefully it would sort out the issue. Thanks for your help
31st Mar 2021 6:08 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10360
That’s a bit low.
Maybe it’s higher with engine running
31st Mar 2021 6:24 pm
wiktorsj
Member Since: 26 Dec 2016
Location: Ludlow
Posts: 4
It is quite low but it was taken when engine is off so I'm assuming its a part of battery saving thing ( when you are turning off engine radio is going to the low power mode ). I would be worried if there wouldn't be voltage at all, but I will check the voltage when engine is running
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