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Security system/immobiliser malfunction

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

Re: Security system/immobiliser malfunction

Postby rafamous » 24 Aug 2012, 23:43

I tried to search immobilizer in the forum but it would not let me because the term is too common. Go figure.

Anyways, maybe someone here can help me start my car.

My wife turned off her 2000 Volvo V70 and now:
It will not start with the key (does turn to 2nd position and turns on all dash light)
The remote for the doors will not work (I tested at the auto store and an RF signal is being sent)
The manual buttons for the door locks do not work.

I was able to short the starter and get the car started to get it home from where the problem began.

I tried all the turn off turn on 5 times, unlock backdoor, etc. No go.

Would this do the trick to reset the immobilizer?
Quote from above:
"Push comes to shove remove relay 210/211. It is located high on the firewall on the inside of the car - more or less above the brake pedal and directly below the fuse box that is under the hood. You will need to remove the three T-25 torx screws that hold the lower dash panel in place to get to the lower electrical unit.

Once the relay is removed you need to install a jumper wire between the socket positions associated with pins 50E and 50F on the 210 side of the relay. The pin numbers are molded into the bottom of the relay."
rafamous
 
Posts: 3
Joined: 24 Aug 2012, 23:20
Location: illinois
Model and Year: 2000

Re: Security system/immobiliser malfunction

Postby fed_up » 25 Aug 2012, 00:53

I don't need your attitude, I've done well to figure out most of this crap myself. I'm also trying to spend as little as possible, especially on tools i may only use once or twice. I will get a meter and do some tests and report back when I can.
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Location: Dallas
Model and Year: 98 v70 T5 wagon

Re: Security system/immobiliser malfunction

Postby fed_up » 25 Aug 2012, 00:59

@Rafamous, it might work, if you have said relay, mine doesn't have it. Also, how did you go about shorting the starter?
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Model and Year: 98 v70 T5 wagon

Re: Security system/immobiliser malfunction

Postby BEJinFbk » 25 Aug 2012, 03:13

rafamous wrote:I tried to search immobilizer in the forum but it would not let me because the term is too common. Go figure.

Anyways, maybe someone here can help me start my car.

My wife turned off her 2000 Volvo V70 and now:
It will not start with the key (does turn to 2nd position and turns on all dash light)
The remote for the doors will not work (I tested at the auto store and an RF signal is being sent)
The manual buttons for the door locks do not work.

I was able to short the starter and get the car started to get it home from where the problem began.

I tried all the turn off turn on 5 times, unlock backdoor, etc. No go.

Would this do the trick to reset the immobilizer?
Quote from above:
"Push comes to shove remove relay 210/211. It is located high on the firewall on the inside of the car - more or less above the brake pedal and directly below the fuse box that is under the hood. You will need to remove the three T-25 torx screws that hold the lower dash panel in place to get to the lower electrical unit.

Once the relay is removed you need to install a jumper wire between the socket positions associated with pins 50E and 50F on the 210 side of the relay. The pin numbers are molded into the bottom of the relay."

Your 2000 has a newer and different security system than the one described above.
Unfortunately, none of those things work for your car. But don't lose hope. You can fix it!
You haven't given us a lot to go on with your description of the problem. More details?

Have you checked out the fuse box?
Does the key turn all the way to the start position?
Does the engine turn over at all?
Is this car an automatic?
What happens in neutral?
How many miles?
Any other electrical problems?
'98 V70 R - Well Equipped for Life Up North... ;)
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BEJinFbk
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Re: Security system/immobiliser malfunction

Postby rafamous » 25 Aug 2012, 13:54

Thank you for your response and the encouragement.

To answer your questions:

(Question)
Have you checked out the fuse box?
(Answer)
Could not find anything blown in the fuse box.

(Question)
Does the key turn all the way to the start position?
(Answer)
Key turns all the way to the position that would normally start the car. I can hear a click up by the fuse box that makes me think of a relay is engaging. All the normal lights are coming on at that moment.

(Question)
Does the engine turn over at all?
(Answer)
The engine does not turn over using the key.

(Question)
Is this car an automatic?
(Answer)
Yes. This car is an automatic.

(Question)
What happens in neutral?
(Answer)
Acts exactly like it does in park. Can turn key, get all lights, but it seems there's no power to the starter.

(Question)
How many miles?
(Answer)
165,000

(Question)
Any other electrical problems?
(Answer)
Only this recent problem where it seems the security system has been engaged.

Resulting in:
Remote not working
Manual locks not responding
The starter not responding to the ignition key

To get it started to get it home. I took a wire from the positive on the battery and touched one of the post on the solenoid for the starter, with the key on, and it engaged the starter and off we went. Turned off the car and same initial problem.

I rented a code reader and did get a (P0013 crank shaft position actuator malfunction B 1 circuit)
In researching that code, it appeared it does need to be addressed as it could be the cause of a rough idle. But could not find anything where it says it would disable the electrical system from the starter back.

I apologize if I hijacked this thread. I probably should have started a new one. Thanks for all your help guys. I am trying to avoid the ol' "replace one thing at a time until you get it" trick. If possible.
rafamous
 
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Joined: 24 Aug 2012, 23:20
Location: illinois
Model and Year: 2000

Re: Security system/immobiliser malfunction

Postby BEJinFbk » 25 Aug 2012, 20:05

There are a few differences between the '98 ( the one I know the most about) and the '99-'00's.
I'm still digging through some VADIS info, but I think you have an anti-theft system that's
pretty much the same as the '98 along with an additional layer of starting protection.

It sounds a lot like there's something wonky with the basic Anti-Theft system.

The basic Anti-Theft is the alarm that's part of the central locking system.
It watchs doors, hatch and hood and triggers flashing parking lights and the
single horn mounted high on the firewall. It prevents the starter from engaging.

That module (2/76) contains the central locking "brain" and door lock motor relays.
It gets keyfob signals from the remote receiver module ( 4/19 ) mounted above the
instrument cluster. There are also some optional tilt and glass breakage sensors.
Those seem to be pretty rare in most markets, but are shown in the diagrams.

The "next layer" is the chipped key reader. They call it the "Electronic Starter Inhibitor".
To me, that seems rather misleading, as it's function appears to be allowing the starter
to engage and let the engine turn over, but cutting fuel flow and preventing the engine
from actually starting.

Using an antenna ring that surrounds the ignition switch, the system reads the chip
embedded in the key head and determines if you have an authorized key or not.
( Many owners with this system have had issues with the connector contacts at the
antenna ring getting oxidized and causing "It turns over, runs for a second, then quits"
syndrome. Some have had success with unplugging and reconnecting the antenna ring
connector a few times to wipe the contacts and solve that problem.)


00 V70 Central Locking diagrams and component locations.pdf

00 S-V70 Anti-Theft Alarm and Electronic Starter Inhibitor.pdf


The diagrams here will show you just how many fuses are involved in these systems.
In your situation, I would scribble down all the fuses involved and start metering.
Rather than just pulling the fuses and looking at them, use a meter to check
voltage while they're in the fuse box. You should see the same voltage at each
of the nibs on top of each fuse. That way, you KNOW. Keep in mind that the
key will have to be on for a couple of these.

Again, I'm making some assumptions here, but
hopefully, it may help get you on the right track. :wink:
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'98 V70 R - Well Equipped for Life Up North... ;)
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BEJinFbk
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Location: Fairbanks, Alaska
Model and Year: '98 V70 R

Re: Security system/immobiliser malfunction

Postby rafamous » 25 Aug 2012, 20:55

Thanks BEJinFbk, greatly appreciated!

I will start doing the voltage test using the diagrams. I had searched the net but could not come up with them.
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Joined: 24 Aug 2012, 23:20
Location: illinois
Model and Year: 2000

Re: Security system/immobiliser malfunction

Postby BEJinFbk » 25 Aug 2012, 22:51

Matthew is kind enough to keep'em all right here:
http://www.matthewsvolvosite.com/volvo-wiring-diagrams
'98 V70 R - Well Equipped for Life Up North... ;)
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Posts: 2710
Joined: 06 Jan 2008, 05:32
Location: Fairbanks, Alaska
Model and Year: '98 V70 R

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