![]() | Home > Technical (L322) > ACC retrofit to MY12 4.4 TDV8 help |
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| Shedlock2000 Member Since: 27 Feb 2015 Location: Lethbridge Posts: 15
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Hi All,
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| bwelton Member Since: 26 May 2014 Location: Milton Keynes Posts: 140
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My Adaptive Cruise Control has not been working for a while and I've just been ignorring the Warning Messages after ignition. However, I now have some time and am trying to research and see what needs fixing.
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| GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2773
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That is referring to the radar unit. Have you checked the fuse in the auxiliary fuse box? |
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| bwelton Member Since: 26 May 2014 Location: Milton Keynes Posts: 140
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Hi Graeme,
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| GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2773
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The 10A engine bay fuse 17 is the main power supply for the radar unit. CJB fuse 6 supplies the ignition signal to the radar unit. |
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| bwelton Member Since: 26 May 2014 Location: Milton Keynes Posts: 140
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Fuse 17 in the engine bay is also ok. I’ve also checked 12v+ on each side of all fuses within the engine Bay when the engine is running.
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| GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2773
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The radar unit connects directly to the HS canbus, not via another module, so bumper off to check the connectors seems to be the next task. |
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| mgrover Member Since: 03 May 2020 Location: Leeds Posts: 433
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Put an offer in on a radar unit with serial
Will hopefully, order the rest once this turns up. Adding this to a L322 2011 4.4 TDV8. PCM is already at latest. I take it I just need mounting bracket, loom and steering wheel controls? Or do I need the CC ecu as well? If I do need the bracket will one from an L320 work? Hopefully will stick a vid up of the install when I get it all together. Cheers Martin Its actually a sport Not anymore, 4.4 TDV8 now |
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| GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2773
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The 4.4's PCM provides CC/ACC functionality - no other ecu is required.
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| mgrover Member Since: 03 May 2020 Location: Leeds Posts: 433
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ah fairs not worth the risk, got the radar for £200 delivered so a steal imo.
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| GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2773
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I only needed special firmware because the radar unit that I bought was mis-described as it was from a Jag, not an L322, so had to have L322 firmware loaded before it would be recognised on the L322. |
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| ctjfb Member Since: 20 Jun 2019 Location: Northampton Posts: 32
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I obtained a radar sensor, switches, and wiring loom from am MY 2012 (same as mine) - at lease I'm told that's what they were from - and the part numbers match the part catalog.
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| GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2773
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I had to set more options than 3 but I also enabled stop/go. Check back through this thread to see what other CCF parameters need to be set. |
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| mgrover Member Since: 03 May 2020 Location: Leeds Posts: 433
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Took a hail mary on this https://www.ebay.co.uk/itm/354828320570
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