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KHA 2014 Accord HU Swap to Premium

  #1  
Old 05-27-2016, 01:02 AM
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Default KHA 2014 Accord HU Swap to Premium

I will use this thread to detail the process of swapping the stock non-touchscreen head unit from a 2014 Sport with the touch-screen model out of the EX-L.

I will include wiring diagrams for both, photos of both, and instructions on what fits and what has to be changed.


I picked this up as a salvage unit for $210.







The first step to wiring up the new HU is figuring out what the harnesses do.
Actual part number is 39101-T3W-A830-M1 from a 2015 Honda Accord Hybrid


Lucky for me, the main 24 pin harness is identical.



The rest of the harnesses vary with being useful with the following differences:
Harness B isn't needed - it has audio I won't use (has sub out)
Harness C has HandsFreeLink and external AUX audio.
Harness D has HandsFreeLink
Harness E goes to the external FM Tuner - so I lose FM unless I adapt and feed my Alpine DVA-9861.
Harness F only has ground and power but the Navi model adds a few other cables.
Harness G has the lanewatch camera, and I need to check the harness against the base model because the harness includes the rear view camera.
Harness H is i-Mid and the same
Harness J is HandsFreeLink
Harness K is the USB port







I referenced several schematics to figure out the connections.

A 2013 Accord with Premium and Navi schematic

http://i38.photobucket.com/albums/e1...USchematic.jpg

A 2015 Accord with Premium w/out Navi schematic

http://i38.photobucket.com/albums/e1...m%20203732.jpg
 
Attached Thumbnails KHA 2014 Accord HU Swap to Premium-20160526_180914.jpg   KHA 2014 Accord HU Swap to Premium-20160526_180932.jpg   KHA 2014 Accord HU Swap to Premium-20160526_180939.jpg   KHA 2014 Accord HU Swap to Premium-hu39100t3w%2520harness%2520pinout%2520page%2520001.jpg   KHA 2014 Accord HU Swap to Premium-hu39100t3w%2520harness%2520pinout%2520page%2520002.jpg  

KHA 2014 Accord HU Swap to Premium-hu39100t3w%2520harness%2520pinout%2520page%2520003.jpg   KHA 2014 Accord HU Swap to Premium-hu39100t3w%2520harness%2520pinout%2520page%2520004.jpg   KHA 2014 Accord HU Swap to Premium-2013accordpremiumnavihuschematic.jpg   KHA 2014 Accord HU Swap to Premium-2015accordpremiumhudiagram%2520203732.jpg  

Last edited by keep_hope_alive; 05-27-2016 at 01:48 AM.
  #2  
Old 05-27-2016, 01:03 AM
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This is the schematic for the 2014 Accord Sport non-touchscreen that I will be replacing


http://i38.photobucket.com/albums/e1...0Schematic.jpg

After comparing the schematics, it seems the only wire that I have to manually re-configure is the HFL steering wheel controls - assuming they will even work with the new HU directly since that wire routes to the HFL Controller on the premium model.
 
Attached Thumbnails KHA 2014 Accord HU Swap to Premium-201420accord20audio20system.jpg   KHA 2014 Accord HU Swap to Premium-2014%2520accord%2520sportaudio%2520schematic.jpg  

Last edited by keep_hope_alive; 05-27-2016 at 01:32 AM.
  #3  
Old 05-30-2016, 12:36 PM
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I had to combine A harness and F harness power and ground to get the unit turn on. And it does require a code. I have contacted the seller requesting the vehicle VIN so I can look it up with Honda.

https://radio-navicode.honda.com/
 
Attached Thumbnails KHA 2014 Accord HU Swap to Premium-aa5d0acbe122ebfc1ddf1257458f3975.jpg   KHA 2014 Accord HU Swap to Premium-386da191e1fca4638a3e48afaa06d871.jpg  
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