ekstroemtj

Sorry for my mistakes. I am writing on mobile phone.

Multileter Reading with engine shut down

12,...

Multimeter Reading with running engine

13,9......

Here is the multimeter reading

Here i am again. I try some things today because the car is still at home.

First of all, i dont have a second battery in the trunk.

After replacing the new battery last weekend the car stay all week without driving.

I open the hood and tested voltage in engine bay plus / minus port.

Reading was 11.30

I try to start the car. Starter turning but engine not starting.

Using my s to make a jump start. Car is starting and running.

I left it for some minutes running, drive a few kilometers and shut down the engine.

Waited a few minutes and tested the voltage again.

Reading 12.30

I started the again

Reading 13.96

Does this test show me that the alternator is ok and working

Proper? Or is it possible that a mistaken alternator also would show

This reading?

Thank you again

Hi. I am pretty shure i have just one under drivers seat. In the rear i can see only black round box which is the bose system . I will have a closer look this weekend.

Maybe if you change the headline "pronto" and ask a little bit more polite the people arround your area are willing to give you advise.

Last question please about this subject.

The car allways is cranking slowly. Even today with a new high power batterie. Is this also alternator related or different subject?

I read many times that these kind of behaviour could be related to alternator batterie cable issue. Could it be possible?

To be on the safe side i have to call the tow away service:-(

Second round . Now the multimeter shows ZERO.

So for me it looks like the alternator is not working proper.

Now my question. How far is it possible to drive with a fully loaded battery and a faulty alternator?

Porsche Service is about 20 km away. Can i drive there?

I changed the batterie for a new one. Starting normal. But after some minutes of running car starts to rev a little bit higher at 1000 and some time later batterie sign in display appears. I connect the multimeter to + and - in the engine bay. This is showing 13.8 / 14.00

I would like to try first to take out the fuse for the dash allumination if there is one. According my om it should be number 40. somebody can confirm this

Hello to Belgium.

The battery is totaly down and i thought might be better to replace. I have one at home.

The display problem occured just AFTER i did thid jump start. So i believe thats not the original problem.

Thank you

Here i am again. The car stay for some days and now nothing is working. Dead. I had to use my other cayenne to start the turbo via cable. Car started without problem. After i used the multimeter i bought to messure the voltage. Looks like the alternator us ok. The multimeter is showing same numbers on the turbo like in the s. So as i understand it cant be the alternator.

Tomorrow u will change the batterie. I will see what will happen after.

What i am wondering about it the following subject.

The car is locked. Lights switch off. But the dash is fully iluminated.

What the ...... Is this?

Here i am again. The car stay for some days and now nothing is working. Dead. I had to use my other cayenne to start the turbo via cable. Car started without problem. After i used the multimeter i bought to messure the voltage. Looks like the alternator us ok. The multimeter is showing same numbers on the turbo like in the s. So as i understand it cant be the alternator.

Tomorrow u will change the batterie. I will see what will happen after.

What i am wondering about it the following subject.

The car is locked. Lights switch off. But the dash is fully iluminated.

What the ...... Is this?

Ok. Thankx. I will let you know whats going on

I got it. Thank you!

Thanks again.

Its a turbo s with 500 hp with just one battery under the driver seat.

If i am testing the voltage according your information, what i have to learn from the numbers? If the voltmeter is showing the numbers you mentioned? Sorry for the stupid question.

JFP...

According our conversation i was talking to BOSCH today. I thought cars electric system is their main business and they should know what to do. I explained the situation and the guy made me feel affraid. He told me " if you have a bad alternator regulator it could cause serious damage on the cars electric system because of high voltage spikes. Better dont drive anymore even some meters. Disconnect the battery too because it could be completely discharged and broken. Best way to tow the car to the next service station"

He was very serious. Could he be right?

Last question please. Will durametic or piwis find this failure or it has to be tested in a different way?

Thankx a lot. Will check it.

If i am right the voltage regulator is a part of the alternator?

I should ask for a special corner in this forum "thomas and his problems"

There is no month quiet driving with my cars.

Always something else.

Anyway, i will just explain it in a short way.

The Turbo which i have now for some weeks was driving almost perfect since i got the car some weeks ago.

I just replaced the battery because the car didnt start always on the first attempt.

Today i drove to gas station. From one minute to next idle went up to arround 800to 1000 and on the display the battery sign appears.

Followed by the information: vehikel shutting down electronic devices.

After i couldnt start. I waited a minute and car runs normal. After some minutes again idle up to 1000 and

The battery symbol on the display.

Does it mean my alternator said good by or is it something more serious?

Thank you

I did it. Thank you for the documents. I used emergency lever, opened the the second glass part by hand . 6 screws and the roof part is in your hands. Get access to the wind deflector which is the very first part of the pano roof. There was a mechanical small plastic part which wasnt fitted correctly. Easy job to bring it back to its original position. Deflector moving up and down. Install the glass part again. Done. Relearning process according documents.

I just found in ebay germany this offer.

Only 270 km was this engine running

Because i read a lot about guys with serious

Engine problems. Maybe this is a chance.

Price is really hot imo.

G R E A T !!!

Thank you very much. Now i know what to do this weekend:-)

Thankx a lot

Display showing the reset option but pushing the button .... Nothing happens

I dont have either of these .

Try today to run a factory reset, thinking maybe this would help to show the "light option" . Looks like i have a electric gremlin in the multi display . Even the factory reset isnt working.