Thinking aloud about my keyless entry
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Mudding
Joined: Oct 2016
Posts: 215
Likes: 28
Thinking aloud about my keyless entry
So, there is a disco II at the local pick a part near me, and I was strangely able to get the key/remote FOB. My Disco never had the key fob, I know you can replace the remote key blade easily, and there is a way with the code generator excel file on this site to re-program a used remote, but since I do not have Hawkeye or anything like that to re-program, is there an electronic brain box for the keyless that I can just swap from the junk one into my disco and have the keyless work without re-programming it? I am imaging not since most everything seems to go through the ECM in this vehicle, but hoping I am wrong
Camel Trophy
Joined: Dec 2009
Posts: 3,882
Likes: 950
From: Charlotte
No, it's the BCU. The handset receiver mounted between the headliner and the roof is passive.
From the RAVE:
"Signals transmitted by the handset are distributed to the BCU via the receiver."
I don't recall whether or not swapping out the BC you would cause other problems. I don't recall whether it is the BCU or the ECM that is paired with the instrument panel and will cause problems with the odometer if not swapped as a pair. I'm sure someone else you can answer those questions.
From the RAVE:
"Signals transmitted by the handset are distributed to the BCU via the receiver."
I don't recall whether or not swapping out the BC you would cause other problems. I don't recall whether it is the BCU or the ECM that is paired with the instrument panel and will cause problems with the odometer if not swapped as a pair. I'm sure someone else you can answer those questions.
Last edited by mln01; Feb 14, 2018 at 09:34 AM.
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Mudding
Joined: Oct 2016
Posts: 215
Likes: 28
Yea, afraid of that. Any vehicle that links the rear wiper with the transmission probably would not be as simple as a receiver swap. I think I need to either buy a Nanocom system or find someone that has one locally and pay them as I think the Disco may be getting sold soon, wife has been looking at an Audi Q5. The good thing is that this remote I got looks pretty much new, even still has the sticker on the back
Pro Wrench
Joined: Nov 2015
Posts: 1,935
Likes: 189
From: Coastal Georgia
Any vehicle that links the rear wiper with the transmission probably would not be as simple as a receiver swap.
Reverse Lamp Description
The reverse lamps are operated by a switch located in the vehicle gearbox. The switch,
when operated, supplies power to two reverse lamps located in the tail lamp units. The
reverse lamp bulbs are rated at 21 Watts. When the reverse lamp switch is operated an input
is also provided to:
�� The Body Control Unit (BCU) for rear wiper operation.
�� The interior mirror for selection of normal mirror position.
�� The trailer pick-up (if fitted).
Automatic vehicles have a dual function starter inhibitor and reverse light switch. The
inhibitor function prevents the engine from cranking if reverse gear is selected.
The reverse lamps are operated by a switch located in the vehicle gearbox. The switch,
when operated, supplies power to two reverse lamps located in the tail lamp units. The
reverse lamp bulbs are rated at 21 Watts. When the reverse lamp switch is operated an input
is also provided to:
�� The Body Control Unit (BCU) for rear wiper operation.
�� The interior mirror for selection of normal mirror position.
�� The trailer pick-up (if fitted).
Automatic vehicles have a dual function starter inhibitor and reverse light switch. The
inhibitor function prevents the engine from cranking if reverse gear is selected.
Last edited by number9; Feb 14, 2018 at 11:39 PM.
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