Junior, is your TCS warning light coming on intermittently?
If so, my LCR is doing the same. Seems to only happen when the aircon is on though, strangely!
I also have the Nime box for the slow fan fix, but I fitted that ages ago, so I don't think that's at fault.
Have you scanned for fault codes?
Both junior and I are getting the same problem with intermittent errors from sensors G201 and G214.
Not yet, I've got VAG-COM but it's on my missus's laptop and she's away at the moment.
The light only comes on when I'm giving it some stick when the air-con is also on. Suggests that it's heat-related.
Na, it would be interesting if he could fix it for us
Yup intermittantly, not noticed if its only when air con is on but just took it very easy for 3 days with no light, gave it a bit of stick today......light comes on
The search continues.
Yup intermittantly, not noticed if its only when air con is on but just took it very easy for 3 days with no light, gave it a bit of stick today......light comes on
The search continues.
Bad news Junior, if it does turn out to be the abs control module then the part alone is over 400 quid and there is another part to it that is optional that would take the price to over 600 quid not including fitting!
As I understand it, if the optional bit eventually ends up needing to be replaced then you have to also replace the abs control module so its potentially worth getting both in the first instance.
Still, car is going into the garage on tuesday and fingers crossed its not the control module.
As I understand it, if the optional bit eventually ends up needing to be replaced then you have to also replace the abs control module so its potentially worth getting both in the first instance.
Still, car is going into the garage on tuesday and fingers crossed its not the control module.
Bad news Junior, if it does turn out to be the abs control module then the part alone is over 400 quid and there is another part to it that is optional that would take the price to over 600 quid not including fitting!
As I understand it, if the optional bit eventually ends up needing to be replaced then you have to also replace the abs control module so its potentially worth getting both in the first instance.
Still, car is going into the garage on tuesday and fingers crossed its not the control module.
Can you get the parts from a good scrap yard / breakers yard
Have now found out what the "nime box" you are talking about actually does. It's a pulse-width modulated motor speed controller set to run the radiator fans at the low speed.
It replaces the resistors that are prone to fail inside the fans themselves, and is a more elegant and efficient solution, with the big advantage that it doesn't get hot. However it is a source of 20kHz square waves, modulating 6 Amps of current at 12 -14 Volts, i.e. about 80 watts. That's a lot of pulse power going down wires meant for DC, and it is possible (though pretty unlikely) that the electromagnetic interference from these pulses (which the car was not designed for) is interfering with the function of the ABS system.
The low-tech, cruder alternative is simply to replace the internal resistors by high-power resistors attached to an external heatsink (1 Ohm 100 Watts is the spec I've seen, which is quite a beefy resistor). The main advantage of this approach is there's less to go wrong, and no EMI being generated.
Difficult to say what to do to reduce the effect. The pulsed power from the "Nime box" is applied to the fan power wiring, giving it some length of wiring to broadcast from. You could try powering-off the Nime box to see if the symptoms go, but that isn't foolproof as there may have been some cumulative effect on the ABS box. It may be as simple as moving some wiring away from the ABS controller.
It replaces the resistors that are prone to fail inside the fans themselves, and is a more elegant and efficient solution, with the big advantage that it doesn't get hot. However it is a source of 20kHz square waves, modulating 6 Amps of current at 12 -14 Volts, i.e. about 80 watts. That's a lot of pulse power going down wires meant for DC, and it is possible (though pretty unlikely) that the electromagnetic interference from these pulses (which the car was not designed for) is interfering with the function of the ABS system.
The low-tech, cruder alternative is simply to replace the internal resistors by high-power resistors attached to an external heatsink (1 Ohm 100 Watts is the spec I've seen, which is quite a beefy resistor). The main advantage of this approach is there's less to go wrong, and no EMI being generated.
Difficult to say what to do to reduce the effect. The pulsed power from the "Nime box" is applied to the fan power wiring, giving it some length of wiring to broadcast from. You could try powering-off the Nime box to see if the symptoms go, but that isn't foolproof as there may have been some cumulative effect on the ABS box. It may be as simple as moving some wiring away from the ABS controller.
Muttley, you seem to know alot about it, where exactly is the abs control module located?
Nearside of the engine compartment (righthand side as you look into the compartment from in front of the bumper) behind and underneath the air filter, mounted on the nearside suspension strut tunnel. The hydraulic unit sits on top of the electronics, and you can identify it by the six brake lines attached to it.
A little update on my problems, my car is in the garage today for 50k service, new brake pads and fluid and WAS going to have the sensors on the brake master cylinder changed to try and fix the ABS problems.
However, I scanned the car this morning before taking it in and I now have more fault codes:
- radio speakers open circuit front and back - intermittent
- engine control module fault in circuit from both can gateway and instruments - intermittent
Considering the car was 100% healthy right up to the point that the nime box was fitted and the since then the electrics have generally started to go down hill, the nime box is coming off to see what happens with the fault codes.
However, I scanned the car this morning before taking it in and I now have more fault codes:
- radio speakers open circuit front and back - intermittent
- engine control module fault in circuit from both can gateway and instruments - intermittent
Considering the car was 100% healthy right up to the point that the nime box was fitted and the since then the electrics have generally started to go down hill, the nime box is coming off to see what happens with the fault codes.
Well guys, it looks like my problems may be solved. Have been reliably getting the fault codes on every drive for weeks and still got them after my service and brake replacement today.
This evening I took the nime box off and went for a good 25 mile blast with some hard acceleration and hard cornering, scanned the car and low and behold, no fault codes at all.
It may be too early to tell but if it's still all clear come next week I think its fair to lay the blame squarely with the nime box.
This evening I took the nime box off and went for a good 25 mile blast with some hard acceleration and hard cornering, scanned the car and low and behold, no fault codes at all.
It may be too early to tell but if it's still all clear come next week I think its fair to lay the blame squarely with the nime box.
Thats brilliant news
Alot cheaper and easier that ABS control modules and all that
Keep us posted, I'm home tomorrow so will be able to give it a try soonish
Roll on no more brakes problems
Oh and COME ON THE CELTS!!!!!
YA BEAUTY!!!!
Alot cheaper and easier that ABS control modules and all that
Keep us posted, I'm home tomorrow so will be able to give it a try soonish
Roll on no more brakes problems
Oh and COME ON THE CELTS!!!!!
YA BEAUTY!!!!
oh no, i've just bought one of these box of tricks!
ah well
So it looks like new fans is the only option then? aren't they like £350 ?
ah well
So it looks like new fans is the only option then? aren't they like £350 ?
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