new 4200 owner with MSP issue

[peavey]

hello all,
just picked up my new 06 plate 4200 and already have a problem!

Car was working fine with no warnings when i went it for test drive on Saturday. Drove nearly 180 miles to pick it up and noticed MSP amber warning light came on as soon as i picked it up, immediately turned around and drove back to garage, they checked it and said it could be due to wheel tracking and MOT that they carried out the same morning and it might need steering recalibration! and they dont have necessary software to carry out the reset!!!

Light goes off after a restart and MSP (Green light) kicks in for no reason and then immediately disables the system (amber warning)

I am very annoyed with this and don't want to drive another 400 miles to get this sorted by them!

any idea what could be the issue and if its going to be an expensive repair?

any help greatly appreciated

cheers,

 

[MAF260]

Can't help with a diagnosis, but I know for sure it won't be an expensive repair for you. The garage has to provide a warranty by law IIRC, Sale of Goods Act etc.

Make it their problem, leave it with them until they fix it or get it fixed by somebody who knows about these cars and then ask them to kindly deliver it to you when it's done.

 

[MAF260]

Welcome to the forum, btw! A pity your first post was to report a problem - they're generally fantastic cars where pleasure is the norm!

 

[dickygrace]

Not sure but from previous experience it sounds like a speed sensor which is around a £500 fix. Needs a Maserati diagnostic to know for certain.

 

[conaero]

Hum, how is the battery?

What tends to happen is the battery dies whilst up for sale and lack of use.

They then come along and attach a battery pack to it and this has been know to cause a power serge and it blow a diode that is hidden somewhere in the wiring loom.

Here is the info:

Oh, ABS light comes on first and as I am using it its taking longer and longer to come on. Yesterday it was doing it as soon as I moved, by the end of the day I was getting to the end of our lane then I have just taken it out and made a mile before it came on.

ITS ALIVE!!!!!!

Well, up and down the M27 today twice, Mikes twice, auto eletrician once, Maplins once.

Final bill £300

Cause, 50p diode had blown in the wiring loom.

Thanks to Mike for helping me out early doors and a special big thank you to Marios and Meridien Modena, all pulled out the stops to get me sorted for Le Mans.

Marios, the fountain of knowledge that he it gave me invaluable advice as ever, thanks mate.

So, I am now at work till midnight, have not done any euors, shopping, washing or packing so its going to be a mad dash for the line.

See you all in Dover.

Here is the part that goes:

1n4004g

http://www.maplin.co.uk/p/1n4004g-1a-glass-passivated-rectifier-n75ca

View attachment 21952

It blows after a power surge, so if you have dash warning lights that won't go out after fuse blowing on the can/brake light circuited its worth changing.

Its a diode and you can get it over the counter at Maplins or RS. Its a bit of a lottery as to its location but mine was in the wiring harness that leads to the bridge can. It can also be behind the centre consul or under the glovebox.

 

[Andyk]

Welcome to the forum...hope you get the issue sorted and it doesn't put you off....Put some pictures up when you get chance.

 

[Emtee]

Hi Peavey and welcome, though sorry you have an issue to deal with already.

Check your brake pedal switch. Easy to check and cheap to replace if need be.

 

[mjheathcote]

I have heard of problems following an MOT with the car on the rollers, one axle stationary. Also this was advised to me following a rolling road test run, and not to worry it will sort it's self out! In my case, it hasn't happened.
I would disconnect the battery for a while, and see if it resets itself first.

 

[philw696]

Guys our cars and any Super Car should not go on the Brake tester rollers. Need to be done with a Tapley meter to stop causing any issues.
Said it before but I know as I'm a Vosa tester.
Phil.

 

[peavey]

Thanks a lot for the welcome guys,

manged to book her into garage tomorrow - hoping for a easy fix!

will update after tomorrow's visit with some pictures.

Can't wait to go start my 3500 miles road trip once this issue is sorted!!!!

 

[mjheathcote]

Guys our cars and any Super Car should not go on the Brake tester rollers. Need to be done with a Tapley meter to stop causing any issues.
Said it before but I know as I'm a Vosa tester.
Phil.

I recall you saying this before.
What is the reasoning that brake tester rollers should not be used, and is this stated officially by Maserati?
What makes our cars any different to others in this area?

 

[CatmanV2]

Limited Slip Differential.....

C

 

[alfatwo]

You can not put old 3200's or 4200's on the rollers for the rear axle MOT brake test...It will most certainly ruin the plates in the LSD..

Had a mate with an old 60's Ferrari..It cost the testing station 8K for a new diff!

Dave

 

[Steve GS]

Would this apply to a GS as well

 

[safrane]

Oh yes!

 

[jacekzaku]

Hum, how is the battery?

What tends to happen is the battery dies whilst up for sale and lack of use.

They then come along and attach a battery pack to it and this has been know to cause a power serge and it blow a diode that is hidden somewhere in the wiring loom.

Here is the info:

Hello,
This is the only place I found a mention of possibly the same issue I have now
New owner here from the US
2005 Spyder and my MSP off light is on all the time after the car was delivered from the East coast. It was not on when I test drove the car before the purchase.
When the car arrived on a lorry (?) truck the battery was dead and we had to jump start it.
Is it possible that this diode blew?
When I took it to a shop they told me that the Leonardo diagnostic tool could not access the MSP ECU to pull the codes.
I tried the battery disconnect a few times and reseated all the relays.
Any idea where to find this elusive diode in the wiring harness?
Thank you for having me here!!!!!

 

[casadalloro]

I recall you saying this before.
What is the reasoning that brake tester rollers should not be used, and is this stated officially by Maserati?
What makes our cars any different to others in this area?

My first mot in the car in oct..i asked tester about rollers and that the car had an lsd..ne said no problems with that and just switch traction control off to make easier to get rear out of rollers...

Be interested if there was something official to say mustnt use rollers....

 

[Zep]

Using the rollers on a car with an LSD is a total no no. I would have a chat with your tester....


MOT Testing Inspection Manual states at Section 3.7

Vehicles not to be tested on a roller brake tester

Certain vehicles should not be tested on a roller brake tester, e.g. vehicles with
· More than one driving axle permanently engaged
· Limited-slip differential
· Belt-driven transmission
· Brakes for which the servo operates only when the vehicle is moving

These vehicles should be tested using a properly calibrated and maintained decelerometer or a plate brake tester designated as acceptable for the statutory tests. A roller brake test is also not appropriate for vehicles with damaged, under-inflated or studded tyres.

My first mot in the car in oct..i asked tester about rollers and that the car had an lsd..ne said no problems with that and just switch traction control off to make easier to get rear out of rollers...

Be interested if there was something official to say mustnt use rollers....

 

[Zep]

You are right to suspect the diode, but save yourself some heart ache by trying a different diagnostic machine if you can - when I had a wheel bearing fail the garage could not get their SD3 to connect and suspected a diode, but it turned out that the machine needed an update.

Check for wheel bearing play on the front wheels (not much point at the rear as the bearings are clamped up by the driveshaft nut).

Does the ABS still work? If so then this is another vote for the diode, it could mean the ABS module is happily doing its job but just cannot communicate with the outside world. The most likely location of the diode is near the fuse box or in the cable run next to the trans tunnel. If you are really unlucky it could also be behind the dash near the heater I believe.

As anyone who has considered changing or has actually changed one will tell you, try everything else first.

Hello,
This is the only place I found a mention of possibly the same issue I have now
New owner here from the US
2005 Spyder and my MSP off light is on all the time after the car was delivered from the East coast. It was not on when I test drove the car before the purchase.
When the car arrived on a lorry (?) truck the battery was dead and we had to jump start it.
Is it possible that this diode blew?
When I took it to a shop they told me that the Leonardo diagnostic tool could not access the MSP ECU to pull the codes.
I tried the battery disconnect a few times and reseated all the relays.
Any idea where to find this elusive diode in the wiring harness?
Thank you for having me here!!!!!

 

[casadalloro]

Ok thanks... Dont know if different in n ireland... I know a few testers i could ask.

Ill let you know...