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Rob Caulfield (Wrldky)
Member
Username: Wrldky

Post Number: 62
Registered: 02-2003
Posted on Monday, December 22, 2003 - 11:14 am:   Edit Post Delete Post Print Post

Let's say I'm not all that intereseted in having ABS. So I pull the 2 fuses and the ABS lightbulb out of the dash. But that sends an error code that triggers the check engine light.
So my question is is there anything I can do besides just pull the check engine lightbulb that will stop the check engine light from coming on.
(96 Disco SE7)
 

Will Tillery (Will)
Member
Username: Will

Post Number: 225
Registered: 11-2002
Posted on Monday, December 22, 2003 - 11:23 am:   Edit Post Delete Post Print Post

Where does the check engine light come into play?? The check engine light should not be triggered by the abs at all.
 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1319
Registered: 02-2002
Posted on Monday, December 22, 2003 - 12:03 pm:   Edit Post Delete Post Print Post

On an OBD2 truck the check engine will be triggered by ABS removal - it trips it for "multiple sensor faults"

Sorry - I don't have an answer, but with enough time spent with the ETM manual, there is a way to get it not to trip - question is which wire to cut or jumper (??) Haven't figured it out myself yet.

Bill
 

Will Tillery (Will)
Member
Username: Will

Post Number: 226
Registered: 11-2002
Posted on Monday, December 22, 2003 - 01:29 pm:   Edit Post Delete Post Print Post

THey should not be related ...On the series 2 I beleive they are but not on a 96.

Rob, Try unplugging the abs ecu just for a test.

 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1321
Registered: 02-2002
Posted on Monday, December 22, 2003 - 02:50 pm:   Edit Post Delete Post Print Post

Will,

96 is an OBD2 truck - and the two system do interface for sure - I'm not just guessing here.

I could show you the readings on an Autlogic or Testbook. The Autlogic shows a multiple sensor faults and then lists all four ABS sensors out of range. You can then reset the check engine, but it will re-occur within a a day or two. Of course the ABS light will never extinguish even with a reset because of the self test at each startup.

Bill
 

Will Tillery (Will)
Member
Username: Will

Post Number: 227
Registered: 11-2002
Posted on Monday, December 22, 2003 - 03:57 pm:   Edit Post Delete Post Print Post

Plug the fuses back in...Pull the sensors out. John at Rovertym has been riding around for 2yrs like this and his check engine light has not tripped out because of it.
 

Alyssa Brown (Alyssa)
Senior Member
Username: Alyssa

Post Number: 382
Registered: 01-2003
Posted on Monday, December 22, 2003 - 04:09 pm:   Edit Post Delete Post Print Post

Yeah. My abs is unplugged, and I have no check engine light.
 

Axel Haakonsen (Axel)
Moderator
Username: Axel

Post Number: 632
Registered: 02-2003
Posted on Monday, December 22, 2003 - 04:17 pm:   Edit Post Delete Post Print Post

Bill is right, on an OBD2 vehicle, pulling the fuse will trigger the Check engine light after a couple of startup cycles. I always get the "Rough Road sensor low voltage" error when I pull the fuse under the steering column.

- Axel


 

Alyssa Brown (Alyssa)
Senior Member
Username: Alyssa

Post Number: 383
Registered: 01-2003
Posted on Monday, December 22, 2003 - 04:27 pm:   Edit Post Delete Post Print Post

I wonder why mine isn't on? It's been unplugged for over a year! And my check engine light bulb is fine.
 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1323
Registered: 02-2002
Posted on Monday, December 22, 2003 - 04:33 pm:   Edit Post Delete Post Print Post

I've got no ABS ECU, no sensors, no ABS maxi-fuse, no underhood fuse of any type for ABS and the sensor leads are unplugged from the pump (have yet to remove that) and still get that damn check engine. Doesn't matter whether ECU is in/out or fuses in/out in any combination. I'll track it down one of these days and figure out which wire to snip :-)

Not sure what year JBS truck is, but I think Alyssa's is MY-96 - possibly a late 95/early 96 build date (?). This problem seems to occur with trucks with mid-96 on up build dates. Not sure why - maybe a GEMS change? Just unplugging the pump power doesn't seem to trigger it - related somehow to fuses/ABS ECU. Damn electronics - they mke it hard to even get rid of them.


Bill
 

Alan E. Foster (Vt_alan)
New Member
Username: Vt_alan

Post Number: 16
Registered: 11-2003
Posted on Monday, December 22, 2003 - 04:39 pm:   Edit Post Delete Post Print Post

You may wish to contact East Coast Rovers ... they removed ABS for their project Disco, and although they didn't go into specifics online, they may be willing to over the phone.

Good luck,
-Alan
 

Alyssa Brown (Alyssa)
Senior Member
Username: Alyssa

Post Number: 384
Registered: 01-2003
Posted on Monday, December 22, 2003 - 04:39 pm:   Edit Post Delete Post Print Post

Yep, mine is very early 96MY, built in the fall of 95.
 

Alan Yim (Alan)
Senior Member
Username: Alan

Post Number: 975
Registered: 09-2002
Posted on Monday, December 22, 2003 - 05:04 pm:   Edit Post Delete Post Print Post

Alyssa,

How or where do you find out when a truck is actually built?
 

Blue (Blue)
Dweb Lounge Member
Username: Blue

Post Number: 958
Registered: 04-2003
Posted on Monday, December 22, 2003 - 05:09 pm:   Edit Post Delete Post Print Post

my 96 is in the shop right now because I failed emissions because my check engine light is on. I pulled the ABS fuse a long time ago, and light has been on for a while. Unfortunately, I cannot pass AZ emissions with a check engine light on (doesn't matter why or what's wrong, light = fail). I am having the shop inspect everything to make sure there is not an actual emmissions problem, then I'll plug the damn fuse back in to pass emissions if that's all that was "wrong". I hope it's as simple & idiotic as the damn ABS.
 

Alyssa Brown (Alyssa)
Senior Member
Username: Alyssa

Post Number: 385
Registered: 01-2003
Posted on Monday, December 22, 2003 - 05:11 pm:   Edit Post Delete Post Print Post

In the driver's side door jamb, and on land rover online (dealer only).
 

Will Tillery (Will)
Member
Username: Will

Post Number: 228
Registered: 11-2002
Posted on Tuesday, December 23, 2003 - 10:22 am:   Edit Post Delete Post Print Post

JBS HAS A 97.
 

EricV (Bender2033)
Senior Member
Username: Bender2033

Post Number: 281
Registered: 08-2002
Posted on Tuesday, December 23, 2003 - 10:26 am:   Edit Post Delete Post Print Post

I have a 1996 SE7 and over a year ago I disconnected the ABS pigtail at the pump and pulled the bulb from the dash, no check engine light yet.
 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1325
Registered: 02-2002
Posted on Tuesday, December 23, 2003 - 10:43 am:   Edit Post Delete Post Print Post

"Just unplugging the pump power doesn't seem to trigger it - related somehow to fuses/ABS ECU. Damn electronics - they mke it hard to even get rid of them"

As above - for some reason unplugging the pump power does not trigger the light - just related to fuses and ABS ECU.

Go figure.


Also - ECR Discotech project was a TDI conversion - so no engine ECU (GEMS)at all to trigger any light :-)

Bill
 

Blue (Blue)
Dweb Lounge Member
Username: Blue

Post Number: 963
Registered: 04-2003
Posted on Tuesday, December 23, 2003 - 03:30 pm:   Edit Post Delete Post Print Post

my problem is cats afterall. Merry Christmas :-)

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