2010 Honda civic Hybrid
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=141557
Printed Date: April 28, 2024 at 9:52 AM
Topic: 2010 Honda civic Hybrid
Posted By: frank_30
Subject: 2010 Honda civic Hybrid
Date Posted: July 29, 2016 at 10:25 AM
Ok tried for 3 hours to interrupt the start circuit at both the starter and ignition (Black wire /white stripe) and vehicle still starts..regular key not push button start..attempting to install an ignition interlock device..Spoke with service tech at local honda Dealership..he stated there is no way to interrupt start to electric motor?? Any ideas?? we have done newer Hybrids no problems but they have been pushbutton, we can interrupt start at brake switch but not this one..got me stumped!! Thanks
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"throw it in the gutter and go buy another"
Replies:
Posted By: lurch228
Date Posted: July 29, 2016 at 1:02 PM
Don't know if this applies to Your vehicle or not. But GM uses ACC drop out to engage start. I use a relay to maintain power to the ACC circuit for starter kill on alarm installs. If that doesn't work then you are stuck interrupting either the Transponder circuit so it can't communicate to the system or the ignition circuit so it can't even get to start mode, ie no power. If what you have tried hasn't worked then time to go further up stream looking for any system that with get it to not to move.
Posted By: howie ll
Date Posted: July 30, 2016 at 1:12 AM
I interrupt the brake feed wire on the BCM for the Toyota Prius.
Assuming you need to have foot on brake to start that should work.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: lurch228
Date Posted: July 30, 2016 at 10:42 AM
@howie ll His post is jumbled and not to clear but he did say at the end that the Brake was not working for this Keyed non-push to start. Just in case you missed that or have any other ideas that might work.
Posted By: howie ll
Date Posted: July 30, 2016 at 10:48 AM
Yes but before or after brake switch I cut the input, if you cut the output you've a 50% chance of simply disabling the brake lights and cruise control shutdown. But not start. 
On Mercedes hybrids, I cut the POS feed to the ignition switch. ------------- Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: lurch228
Date Posted: July 30, 2016 at 11:24 AM
Must be something different with the way the Keyed version is wired. That why I thought interrupting the transponder wire so it cant communicate would work.
Posted By: howie ll
Date Posted: July 30, 2016 at 11:28 AM
I'm a bit scared of doing that, our OP should test the wires at the ignition switch.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: lurch228
Date Posted: July 30, 2016 at 11:54 AM
Its a DATA wire so resistance is not a issue if that's what you are worried about. There's got to be a way to achieve the interlock he's trying to do. It's weird since he says that he's done them before without issue.
Posted By: howie ll
Date Posted: July 31, 2016 at 2:59 AM
Maybe access to the wiring circuits needed or a mistake made.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: lurch228
Date Posted: July 31, 2016 at 3:18 AM
@howie II It's possible. To error is human!
@frank_30 Any luck as you haven't replied yet.
Posted By: howie ll
Date Posted: July 31, 2016 at 4:38 AM
I was trying for once to be diplomatic, we all make mistakes!
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: lurch228
Date Posted: July 31, 2016 at 5:35 AM
Ain't that the truth! LOL
Posted By: frank_30
Date Posted: August 01, 2016 at 3:35 PM
sorry for not responding any sooner.. so wiring at ignition harness all test correct 12v, ignition and starter..i cut ,vehicle still started.. though the same to interrupt maybe a safety neutral switch so whe would not be able to shift out of park unless a breath sample is provided, but seems to easy to bypass..rescheduled client next week to do some research. Thanks for all the feedback.
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"throw it in the gutter and go buy another"
Posted By: lurch228
Date Posted: August 01, 2016 at 4:01 PM
Hope you get it figured out please let us know what works.
Posted By: howie ll
Date Posted: August 01, 2016 at 5:08 PM
12V+ power to ignition switch? Bet it's low current, max 20-30 amps, 5 pin c/over Bosch relay could handle that easily.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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