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john Posted on May 18, 2019
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I replaced my ignition and in the prosess i broke the green senser that reads the key how do i reset the alarm so i can start the car

2 Answers

Ammar Masannat

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  • Expert 42 Answers
  • Posted on May 18, 2019
Ammar Masannat
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Just you have to check that by computer,, like tecstream

Stephen Miller

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  • Cars & Trucks Master 1,645 Answers
  • Posted on May 18, 2019
Stephen Miller
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5 Related Answers

ginko

Ginko

  • 19396 Answers
  • Posted on Aug 19, 2008

SOURCE: car alarm preventing car from starting

Try removing the alarm system relay, some car alarm has also a fuse on the alarm that you can remove.
Many car alarms unlock by inserting and turning car key while you connect the battery.

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Anonymous

  • 1 Answer
  • Posted on Feb 14, 2009

SOURCE: 2003 hyundai santa fe car alarm

I had the same problem a while back. What I did was disconnect the battery for a minute and I havent had that problem since.

Anonymous

  • 73 Answers
  • Posted on Feb 26, 2009

SOURCE: Dash reads start disabled;due to theft sysytems;wait three minut

did you replace the fuse.if so try to get the alarm reset location,it could be in the stupidist place like my pathfinder you have to put the key in the tailgate and turn it to glass side and hold it for 20 seconds.and then hit the hidden reset switch under the rear carpet.

Anonymous

  • 103 Answers
  • Posted on Sep 01, 2009

SOURCE: 2000 Silverado-4.3 ltre-cranks over-wont start-consistenly

Yes. First, in the fuse block under the hood check INJ A fuse and INJ B fuse. INJ A fuse is circuit 1039 which feeds the coil. If the fuse is OK, replace the coil electrical connector. I stock 2 of these at my dealership because they are needed quite often.
FYI P1351 is an ignition coil control circuit DTC.

Anonymous

  • 7 Answers
  • Posted on Feb 22, 2010

SOURCE: program ignition key to central locking on porsche 996 1998

Well, you can sometime catch the code again. Pt the key in the ignition and turn till the dash light come on (dont Start) then press and the Lock button while keeping the Lock button Pressed and turn the dash light off and put the key with the lock button Press for 10 second afterwards. If not successful first time try again. This should do it.

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Alarm wont stop going off. Car wont start. Any way to disable it?

Plug your ears first, open the car with key, open the bonnet to get to the battery, disconnect one battery terminal and cover this with rag to avoid a short circuit. That should reset everything - alarm, radio. Do not lock the car. After an hour reconnect the battery. Hopefully alarm will have reset and then use the key in the ignition. Hopefully starts but you should buy a replacement button for your car and security system. If alarm sound again, disconnect battery again and call an auto electrician.
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The alarm will sound if the alarm was set before you dropped the key fob. Just put the key in the ignition and start the car, the alarm should turn off.
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If you have a key with a computer chip inside, you may need to try another key. The ignition lock "reads" the resistance in your key to let the ignition work. If you only have one key you may need to get a new one.
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How do i reset my alarm on my bmw 3 series without fob

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When I try to start my F150 4.6 W it just turns over. When it first broke-down, the engine started for a second and shout down. I first checked the Fuel Pump Shut-off Switch but I received a good...

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I recently replace the battery in my 2005 Ford Mustang GT. After I installed the new battery the green light for my dealer installed alarm keeps flashing even when I am driving the car. I went to the...

                Hi
                Before Battery Change

                • When was/or when did you notice alarm green light illuminated?

                • When after alarm was disarmed, did green light shine?

                First thing to check would be electrical connections starting from the battery.
                1. Follow positive wire lead from battery to fuse box connections. (Should be along driver side frame rail, or near battery.)
                2. Follow wrie harness to Relay Center. (Find Alarm Relay/Fuse)
                3. Also to Power Distribution Center. (upper driver corner engine bay)
                Relay Switch and Fuse to Alarm should be okay, given the alarm green light illumination.

                The Cars Brain, ECM Engine Control Module, manages messeges between power BattV and Alarm, also other modules and various sensors throughout the vehicle.

                When Battery Supply was disconnected, something happened, that stunned the memory in the ECM.

                Yes, the alarm does need resetting, its actually the memory messages saved in ECM need to be Refreshed.

                (saying "alarm needs resetting") sounds like alarm is broken, when that is not the case. Similar scenario is, when smart phone screen webpage freezes(alarm memory info in ECU). No buttons work, not even power button (Key Fob control). Only way to gain access is to remove battery.

                Lets try an experiment, this will be to loose still/saved frozen information, stuck in computer memory.

                How to Reset Vehicle Computer.

                1. Remove Neggative Post connection.
                2. Remove Positive Post connection.
                3. Let vehicle sit over Two Minutes, this time allows capacitors in vehicle Modules (ECM/PCM, TCM), to release any/all stored voltage, also any voltage in Vehicles ground circuit will be released.
                  • (I would typically wait 15 minutes) Capacitors with out constant Voltage input, will disipate rather quickly, depending on capacity size.
                4. With Battery Still Disconnected. Open Driver Car door, and turn Ignition to RUN Position.
                5. Reconnect Positive Post.
                6. Reconnect Negative Post.
                  • IGNITION is in RUN Position, when reconnecting Battery. Driver Door Is Open.

                  7. Turn Ignition to Off.
                  • Notice if alarm green light is illuminated.

                  8. Hit LOCK Button On Driver Door Switch to Reinitialize Alarm.
                  • Be SURE Key Fob not locked in car.
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No spark on a 1996 vw jetta

With a volt meter,check for positive 12V on the coil.

post to body metal ground when the KEY is at on position.

===

Check alarm for ignition and/or start cut off.

Bad relay on alarm cut off (Bosch type relay)


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Car sat for six months. Battery went dead and replaced with new one. Got it started after new battery, now it won't start, the alarm led is either flashing bright or very dim flashing fast. I'm sure that...

When alarm goes off,put key in ignition and turn,the alarm should go off and alarm should be reset.Or,remove positive battery cable,wait 10 minutes,reconnect,when you open door,alarm will sound,insert key in ignition and turn key and alarm should go off and alarm should be reset.
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Dash reads start disabled;due to theft sysytems;wait three minut

did you replace the fuse.if so try to get the alarm reset location,it could be in the stupidist place like my pathfinder you have to put the key in the tailgate and turn it to glass side and hold it for 20 seconds.and then hit the hidden reset switch under the rear carpet.
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Alarm system keeps going off on 1991 Acura Legend. Disabled horn to keep from bother neighbors all night, but lights flash and drain battery. How do I diable the alarm system. Car repair guy says he...

I had same problem, when a door lock broke, the car thinks it has been broken into once the alarm goes off. Mine started going off randomly when this lock broke. You have to reset the alarm system, with my 1990 Acura it was reset finally by putting key in door lock and turning key back and forth 3X. In my car, it was OK to do the key in door lock cycle in the passenger side door lock, but Acura dealer told me not all Acuras will reset it via passenger side key cycling, some require driver door lock key cycling only. I was lucky since my driver side door lock was currently useless, that my car allowed it to be done by key cycle on pass. door lock. But try that and if it doesn't fix it, just call acura dealerships until someone tells you the right answer. In my situation it took 3 dealerships with 3 different answers until this was the right one for my 1990 Legend.

PS I was told you can't disable alarm since it is all integrated into the battery and starting system, but read on another post that someone disableld theirs by disconnecting the horn.
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