Question about 1997 BMW 7 Series

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The antenna on the 97 bmw 740 for immobilizer was disconnected then reconnected but now the car will not turn off as if the anti theft system is activated or the key is not seniding signals to computer to turn over the starter or spark to plugs or pump the fuel any ideas??

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  • marday21 Dec 07, 2008

    I tried that for 20 mins no luck thanks for the heads up

    416 434 6557 if anyone have more ideas or how to turn off the esw or that dam black box

  • marday21 Dec 08, 2008

    I tried the battery off for 12 hrs and still no luck any other ideas

    marday21@hotmail.com

  • Anonymous Feb 25, 2009

    does the 97 740 il have a antenna module?and if so where is it located.

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  • 302 Answers

Try resettin the computer, disconnect your negative battery cable from your battery for about five minutes,

Posted on Dec 07, 2008

  • Big Poppa Marv
    Big Poppa Marv Dec 07, 2008

    make sure before you do this you have the security code for your radio.

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I took my ignition out of my 1998 Pontiac Sunfire how do I get past the anti theft system


Tip & How-To about Cars & Trucks
Want to bypass your vehicle security system?

The short answer is you can't! You have to fix the parts that don't work. You reset by disconnecting the battery for 2 hours and reconnect the battery making sure the key is in the ignition.

All modern cars have alarms and immobilizers. There is a chip in the key and a chip in the ignition lock. If both are present, the ECM (engine control module) releases power to the ignition circuit. When you turn the key, the starter spins the engine and you get a spark. If any one of those three items are not in the chain, you get the engine to turn, but no spark. There is no way to beat the system.

The immobilizer is in place to stop exactly what you are trying to do.

Posted by Andrew... on Mar 26, 2016

Oct 06, 2016 | Pontiac Cars & Trucks

1 Answer

2004 Chevy aveo starts then kind of putts followed by shutting off just had the converter and O2 sensor replaced. The radio and lights work great car just won't stay running once u let go of the key


Anti-theft system problem , possibility ! Do you have a security light blinking ? Security Indicator
The security indicator is located in the clock on the top of the instrument panel. The light emitting diode (LED) displays the immobilizer system status. The immobilizer contains the LED driver hardware for direct connection of the LED.
Vehicle Theft Deterrent (VTD) Operation
The immobilizer system design prevents vehicle theft by interrupting the engine operation. The immobilizer system prevents the vehicle from starting. The engine operating functions interrupt if the immobilizer system does not recognize the transponder identification code of the ignition key. The immobilizer system and the content theft deterrent system do not interact. The system includes the following components:
?€¢
The ignition key


?€¢
The column-mounted theft deterrent module with integrated antenna


?€¢
The transponder


?€¢
The engine control module (ECM

Mar 03, 2016 | Cars & Trucks

1 Answer

I replaced immobilizer coil . still getting theft light code 11


Reading Ford Immobiliser Codes PATS - YouTube

? 2:00
https://www.youtube.com/watch?v=0kBZeBbb9PM
Mar 31, 2011 - Uploaded by Ask The Mechanic
How to read Ford Immobiliser codes when your car won't start. PATS (PASSIVE ANTI THEFT SYSTEM) http://www.askthemechanic.co.uk. ... and milage appeared, but red light still flashing 1:6 Found Fordwiki, and Youtube, ... a scanner with Body Control software you would get a code of B10D7 for code 11.Missing: taurus

Starting difficulty due to defective anti-theft control module ...

repairpal.com > Problems > Kia > Sedona
2003 Kia Sedona120,000Visitor ... no knowledge of this easily findable problem with the Vehicle Immobilizer Control Module. ... Upvote (11) .... I have replaced the temp. sensor and I am still getting a PO118 code. ... Check Engine Light Stays on since purchase of 02 kia sedona with 89,000 mileage. ... Ignition Coil May Fail.

KCSS-Transportation-Technology - Ford Passive Anti-theft ...



Jan 21, 2016 | 2003 Ford Taurus

2 Answers

What is (P1612 code) vehicle immobilizer means?


An immobilizer is an electronic device fitted to an automobile which prevents the engine from running unless the correct key is present. This prevents the car from being hot wired after entry has been achieved.
The microcircuit inside the key is activated by a small electromagnetic field which induces current to flow inside the key body, which in turn broadcasts a unique binary code which is read by the automobile's Engine Control Module (ECM). When the ECM determines that the coded key is both current and valid, the ECM activates the fuel-injection sequence.
The immobilizer function of the Nissan Vehicle Immobilizer System (NVIS) or Nissan Anti-Theft System (NATS) consists of the following:
- NATS ignition key
- NATS antenna amp. located in the ignition key cylinder
- Body control module (BCM) or (IMMU)
- Engine Control Module (ECM)
- Security indicator lamp


Read more: http://engine-codes.com/p1612_nissan.html#ixzz3EVZorKsl

Sep 27, 2014 | 2002 Nissan Pathfinder

1 Answer

Immobilizer won't reset on 2002 kia Rio


put fuse back in disconnect batt wait 60 seconds re attach, when the horn starts honking lock and unlock drivers door with the key while doors closed window down. get in car and start it, should be fine now.

Mar 12, 2013 | 2002 Kia Rio

1 Answer

Can you help me, anti-yhief cut power to engine and it won-t start back up


Do you have the year make and model.? If it is a anti theift with a key immobilizer the vehicle will just start and idle for a few seconds then shut off and the anti theft light will remain on or be blinking. Then we know you are dealing with the anti theft. do you have another key to crank the engine if you do use a spare key and hold the key next to the immobilizer and crank the engine see if that will give if it doesnt try this method. roll the window down with window down disconnect the negative battery cable wait 5 minutes reconnect put the key in the ignition but dont crank it just yet turn it in the on spot not the crank for 2 minutes then crank it and see if that start the vehicle . If this doesnt work then you will need to call a mobile locksmith who reprograms the immobilizer

Feb 24, 2012 | Cars & Trucks

1 Answer

The anti-theft code on our 1994 BMW 740iL was plugged in after the battery was replaced + that new code has now disabled the car, as you would want with an anti-theft system. Now, no one knows the code...


For 1995 and older models.
Simply lock the door with the key from outside of the car,then unlock it. Then start the car. I think this lets the computer know that someone who has the correct key is attempting to start it.

Nov 16, 2010 | 1994 BMW 7 Series

2 Answers

1995 Mercedes Benz E320 Wagon, How do I reset the Anti theft so I can start the car. My daughter is stranded right now please help


1. Lock doors via key on Driver's door.2. Disconnect battery.3. Wait a couple minutes to let remaining voltage leak out of system.4. Reconnect battery.5. Unlock doors via key on Driver's door.

Oct 30, 2009 | Mercedes-Benz E320 Cars & Trucks

1 Answer

VEHICLE WONT START


Section 13-11: Anti-Theft System, Active 1998 Windstar Workshop Manual DESCRIPTION AND OPERATION Anti-Theft Alarm System NOTE: The system immediately monitors the ignition key lock cylinder upon removal of the key from the ignition. It is not necessary to arm the system for ignition key lock monitoring.

The anti-theft alarm system:
  • protects the vehicle from unauthorized entry into the passenger compartment, engine compartment and cargo area.
  • monitors the status of the ignition key lock cylinder.
  • is controlled by a remote anti-theft personality (RAP) module. The remote anti-theft personality module also controls the electronic door lock functions. Refer to Section 01-14B for more details.
  • when armed, detects unauthorized entry into the passenger compartment by using an input from the GEM module regarding the state of the door or liftgate (open or closed).
  • protects the engine compartment with a hood switch which is located on the LH cowl vent panel and is part of windshield wiper motor wiring (17A477) .
  • triggers an alarm if the ignition lock cylinder is forcibly removed from the steering column.
Once triggered, the system responds by:
  • flashing the low beam headlamps, the parklamps, rear lamps and the alarm indicator warning light emitting diode (LED).
  • sounding the horn (13832).
  • disabling the starter circuit until the system is disarmed.
---------------------------------------------------------------------------------------------
Remote Anti-Theft Personality Module
  • The remote anti-theft personality module is located behind the instrument panel (04320).
  • It contains a radio receiver that receives the RF signal from the keyless entry remote transmitter (15K601) through the alarm and lock system antenna (15603) and sends the appropriate command to the power door locks, the horn relay, or the generic electronic module.
  • The remote anti-theft personality module is equipped with an internal backup power supply which holds the programmed code in memory in the event the vehicle battery is disconnected.
-------------------------------------------------------------------------------
Remote Anti-Theft Personality Module Removal
  1. Disconnect battery ground cable (14301). Refer to Section 14-01 .
  1. Remove radio. Refer to Section 15-01 .
  1. Remove lower instrument panel center finish panel. Refer to Section 01-12 .
  1. Lower glove box.
  1. Remove two remote anti-theft personality module bracket retaining screws.
  1. Disconnect electrical connectors and alarm and lock system antenna (15603).
  1. Remove remote anti-theft personality module and bracket.
  1. Remove remote anti-theft personality module from mounting bracket.
Installation
  1. To install, follow removal procedure in reverse order.
  1. Tighten remote anti-theft personality module bracket retaining screws to 6-8 Nm (54-70 lb-in).

    34bdf35.gif
Components The system is composed of the following components:
  • remote anti-theft personality (RAP) module with integral antenna
  • alarm indicator LED
  • door lock cylinder switch RH, door lock cylinder switch LH
  • liftgate door lock cylinder switch (220A40)
  • hood switch (part of windshield wiper motor wiring (17A477))
  • ignition lock anti-theft switch (19A438)
The following vehicle components are also used by the anti-theft alarm system:
  • generic electronic module
  • power door lock switch (14028)
  • door open warning lamp switch (14018)
  • autolamp relay (14N089)
  • horn relay and bracket (13853) and horn (13832)
  • low beam headlamps
  • rear lamps (13404) and parking lamps (13200)
  • starter relay
  • door lock relays
  • keyless entry remote transmitter (15K601)
--------------------------------
Disarming an Untriggered System NOTE: A perimeter alarm will "shut off" after 165 seconds, but the system is still triggered and is not disarmed.

An armed but untriggered perimeter anti-theft system can be disarmed by one of the following four events:
  1. Unlock the doors by pressing the keyless entry remote transmitter (15K601) UNLOCK button once.
  2. Unlock any door with a key.
  3. Turn ignition switch to RUN or ACC.
  4. The remote entry PANIC button will disarm the anti-theft system only when the perimeter alarm is triggered and sounding.
------------------------------------------------
System Triggering NOTE: Although the remote entry PANIC alarm is not associated with the monitoring of the vehicle, the user will frequently say that the theft system was triggered when actually the keyless entry remote transmitter PANIC button was inadvertently pressed. A panic alarm will not flash the THEFT indicator.

The alarm can be triggered by the following events if the system has been armed and has not been disarmed first:
  • Open any door or liftgate.
  • Open the hood (16612) (if the hood was open when the system was armed, it must be closed before it can trigger the alarm).
  • Dislodge the ignition key lock cylinder.
  • The anti-theft system may be triggered inadvertently when the module is disconnected and then reconnected. To avoid inadvertent alarm triggering, disconnect the smaller 22-way connector first.
When the system is triggered the perimeter alarm will operate as follows: The remote anti-theft personality module will pulse the following outputs at approximately 1.3 Hz, 50 percent duty cycle for two minutes 45 seconds for North America. NOTE: Other perimeter alarms can be programmed for the system.

  • low beam headlamps
  • parking lamps
  • horn
  • THEFT indicator
The perimeter alarm can be retriggered, after a perimeter alarm has sounded for 165 seconds. After a perimeter alarm has timed out, if any trigger input is first seen as normal and is then seen in its trigger state, the perimeter alarm will be retriggered. The perimeter alarm can be triggered a total of three times between an arming sequence and a disarm event. An active panic alarm will be deactivated when a perimeter alarm is triggered (a perimeter alarm overrides a panic alarm).

Mar 02, 2009 | 1998 Ford Windstar

1 Answer

1996 CHEVROLET CAVALIER.


It is probably not the anti theft system if it cranks over fast then slow it is your timing chain. If you want to try resetting the anti theft system disconnect the battery cables for 24 hours and reconnect them.

Nov 01, 2008 | 1996 Chevrolet Cavalier

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