The switch on my console reads ASC OFF. The owners manual says that if I had Traction Control the switch would be TRAC OFF. Other XK8 owners claim to have traction control, but their switch is also ASC OFF.

I would appreciate it if some forum members, particularly those with early US models, would tell me what their switch reads, and whether or not they know for certain if they have traction control.

I am attempting to buy a spare ABS module, and they are available with and without.

Thank you,

 

I am pretty sure that JTIS mentions a difference in the number of actuators on the version. You can also check the VCATS label in the trunk or slide a mirror down in front of the module to read the numbers.

 

Many of us have yet to get JTIS to work on our computers. (or risked going into our operating systems to make the JTIS mods necessary)

 

Here is the relevant section from the US 1997MY specification Driver's Handbook:



All vehicles were fitted with Automatic Stability Control but Traction Control was an option.

You could reasonably assume that having an ASC button means your vehicle does not have TRAC but a check with the dealer for the original factory build spec would be a wise precaution for absolute certainty.

Graham

 

Plums, I will check the JTIS, but I have a lot of trouble finding useful info in there. I had already looked at the VCATS, but it doesn't list the ABS module for some unknown reason. I had already checked the serial# LJA2210BH, and was thinking that a unit ending in BI or BJ, for instance, might work if it was the same system.

Graham, that page from the manual is what got me in to asking the question in the first place. Fortunately, I am acquainted with the service manager at Hennessy and will probably be able to get his assistance.

 

That does not make the information irrelevant or wrong.

Whether any particular person deploys JTIS on their system is a matter of choice, system limitations and computer skills.

 

Usually that type of background information is in the "description" section of the relevant system in JTIS as opposed to the repair procedure sections.

 

The CD needs to be in the drive for JTIS to work, at least for me it does.

 

I have found the General Information section of the JTIS, and the ABS system is fully described. A module with nine solenoids has Traction Control, mine has only six.

Thanks again plums for sending me in the right direction. I still dislike navigating the JTIS, but I'm a little better at it now.

 

Hi.

I have a fairly early -97 US-spec ( VIN 011xxx ). The switch is marked ASC OFF, and the ABS-module is 6-valve which I know as I have had it out for repair.

 

I think six valve is pretty common for that year. I found one on ebay today and ordered it. Since I plan on keeping this car, a spare makes sense. Modules are going to get scarce.

 

... and working ones even scarcer

 

I have an early model '97. I have had my module rebuilt. The module has ABS + TCS on it(see pic)

 

I received another module from an ebay listed supplier today, and of course the abs pump solder connection is bad. But this is a big improvement because the cruise control works again. Now I am attempting to have the seller pay to have it repaired so that I don't have to return it and buy another one with potentially the same problem. At least now I'm dealing with a known and easily fixed circuit failure.

 

I have an '03. Are there many difference?

I will sometimes experience a "kick" in the pedal, usually when making a slow turn under braking. When it happens there is also a thunking sound that seems to come from the left front wheel. I experienced it at a more moderate speed once, while diving into a left turn. It actually upset the vehicle, causing it to momentarily dart left and right. Every once in a while I'll get the ABS light and a "DSC Fault". It's usually gone the next time I start the car.

Any of this sound familiar?

 

That sounds typical for the 03 and newer cars. If you do a search you will find a thread discussing the issue.

 

I just received notice that my paypal account has been credited for the full purchase price. Now I just need to re-solder the pump connection and my abs and cruise problems will be over. Maybe I should buy another module and keep it on hand.
Buying on ebay using paypal is good.

 

'DSC Fault' when you start the engine is a tired battery indicator !

 

Thanks Steve, but the "DSC Fault" and ABS lite come on while I'm driving. The next time I start the car, the DSC Fault doesn't show up at all, and the ABS lite extinguishes within one or two minutes afterward. I just put in a high capacity battery about eight months ago. And my charging voltage is 13+ pretty much all the time.

So, a battery problem is out. Back to the brakes. RJ237 mentioned a thread about this. I'll wander about looking for it, but if someone could give me a good keyword or two to nail it down, I'd be grateful.

Thanks!

 

Yes, Jim, your car is different. You have the MK 25 ABS system instead of the MK 20 others on this thread have.

Your symptom seems to point to a momentary loss of a speed signal. One likely cause is the wire lead from the body to one of the front wheels. They can break internally from all the up/down and turning of the wheels. If that happens the ABS tries to counter a "slipping" wheel and activates. Then, once you restart, it's OK until it sees the same conditions again later.

Those can be a bear!

Good luck!