1998 volvo s70 immobilizer
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=113717
Printed Date: May 14, 2025 at 4:54 AM
Topic: 1998 volvo s70 immobilizer
Posted By: dcorwin822
Subject: 1998 volvo s70 immobilizer
Date Posted: May 09, 2009 at 9:11 PM
Do or do they not have immobilizers? I'm finding A LOT of mixed info here. Volvo forums say no but guides say yes. Buddy want's a RS but can't get a new key cause we can't find anyone local to cut a new key so it's kinda pointless to install a RS if we can't even get a new chipped key if needed.
Replies:
Posted By: t&t tech
Date Posted: May 09, 2009 at 9:49 PM
here's a wiring diagram, no mention of factory immobiliser, | Constant 12V+ | Yellow/Red | Ignition Switch Harness | | Starter | WHITE/ Pink | Ignition Switch Harness | | Ignition | Blue | Ignition Switch Harness | | Ignition 2 | RED / Black | Ignition Switch Harness | | Ignition 3 | Blue / YELLOW | Ignition Switch (Seat Heat and Brake Switch) | | Accessory | Yellow/Black | Ignition Switch Harness | | Tach | RED / White | Blue 12 Pin Connector at right of Steering Column | | Brake Switch | Yellow | Brake Switch | | Trunk Pin | BLACK/ Blue (-) | Driver's Kick Panel | | Parking Lights | WHITE/ Blue (+) | Switch Isolate | | Hood Pin | BROWN / White | Relays behind Radio | | Factory Disarm | Yellow/Black (-) | Left of Steering Column | | Door Trigger | WHITE/ Black (-) | Yellow/Brown, WHITE/ Yellow, WHITE/ Yellow use all Key Module* | | Door Lock | BROWN / Black (-) | Relays behind Radio, Remove Relays to access Wires | | Door Unlock | Yellow/Black (-) | Double Pulse Negative |
------------- COMMIT YOUR WAY TO JEHOVAH AND HE WILL ACT IN YOUR BEHALF.
PSALMS 37:5
Posted By: t&t tech
Date Posted: May 09, 2009 at 9:53 PM
here's a thought, if you're still unsure, cut a normal unchipped copy of the keys and try to start the car, if it starts up, off you go, if it doesn't and some sort of security icon begins flashing then start looking for bypasses.
-------------
COMMIT YOUR WAY TO JEHOVAH AND HE WILL ACT IN YOUR BEHALF.
PSALMS 37:5
Posted By: dcorwin822
Date Posted: May 09, 2009 at 9:55 PM
i would but the keys are MESSED UP lol there cut on the sides not like normal keys. No one around us can cut them.
they look similar to this: https://www.plantkeysgb.com/Pictures/COPYWRIGHTED%20SINGLE%20KEYS%201600%20X%201200/Volvo%20copy.jpg
Posted By: t&t tech
Date Posted: May 09, 2009 at 10:03 PM
well i'll pm you with a suggestion.
-------------
COMMIT YOUR WAY TO JEHOVAH AND HE WILL ACT IN YOUR BEHALF.
PSALMS 37:5
Posted By: howie ll
Date Posted: May 10, 2009 at 7:09 AM
Any car made for the European market had to have a factory transponder by Jan 1st. 97. Therefore it's most likely. If you're not sure, don't ask us, look. Remove cowling around ignition switch and see if there's an antenna around it. Try to hotwire the car with the ign. key about 3 feet from the switch. If this fails until you insert the key in the switch then you have a transponder immobiliser.
Posted By: t&t tech
Date Posted: May 10, 2009 at 7:12 AM
wat's up howie, i was gonna suggest the hotwiring, but i didn't wanna risk having the topic closed or deleted. ------------- COMMIT YOUR WAY TO JEHOVAH AND HE WILL ACT IN YOUR BEHALF.
PSALMS 37:5
Posted By: howie ll
Date Posted: May 10, 2009 at 12:20 PM
Actually I was surprised I got away with that, but for two things, first all we get here is the 556U, so I'm effectively hotwiring virtually every R/S I do. Secondly I'm talking about the usual checks with car in neutral or park if auto with hand (parking brake on). You or I wouldn't even think about having to do that but I take your point. Unless you're pro it's a case of don't try this at home!
Posted By: dcorwin822
Date Posted: May 11, 2009 at 3:35 PM
No immobilizer in the car. woot. Just three problems with my install. (i used the wire guide from https://techservices.audiovox.com/) 1. when the factory alarm is armed u can't pop the trunk. will 1 pulse to the door unlock unarm the factory alarm? 2. When locking with the after market fob and than using the key to enter the car the factory alarm doesn't sound, but, when u stick the key in and start the factory alarm goes off. 3. The headlights flash with the parking lights. Not good with the HID/projector set up he has. Got any tips on that one?
Posted By: howie ll
Date Posted: May 11, 2009 at 3:51 PM
You should be able to use the R/S status wire or something similar either to pos keys ense or an aux on the R/S to dis-arm then re-arm factory unit whilst in r/start mode. Wire the light outputs or 1 output (if only one) and 2 x 1N5404 diodes to the direction indicators.
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