mazingerv1

My experience was that when the battery is low (less than 11.5V), the "4wd system faulty" will appear momentarily when you start the car

Do check the battery voltage, if the voltage is higher than 12V, I believe the message would not appear.

Thanks Loren! The video helps a lot.

I DID IT today , but with big difficulty.

I almost broke the liftgate as the support was not strong enough, the liftgate is very very heavy.

If I were to choose again, I'd rather pay someone US$300 to do it for me ;->

is changing the strut a DIY'able job?

I have the same problem of liftgating not holding up very well

I tried this setup today,

jumpstart power pack--> 12V-DC-220V-AC inverter-->Porsche battery maintainer-->Cayenne S 2003

It works. I charged it for 6 hours. The voltage (in armed mode) went from 12V to 12.3V

The "Start Engine" annoying msg goes away

I would start by asking if you have installed any new aftermarket toys? IE: radio, nav system, alarm? If so I would start with that fuse group. Hope this helps.

I have not installed anything new nor any new toy.

It seems to me the battery keeps depleting.

Over the last few days, what I did was that I charged the battery by connecting to the jumpstart terminals with a jumpstart power pack.

it did charge the battery! The voltage (in armed state) went from 11.6V to 12.2V.

However, the "Start Engine" still appears before the engine is started. so I guess the battery is still not fully charged.

The next experiment I will do is :

jumpstart power pack--> 12V-DC-220V0AC inverter-->Porsche battery maintainer-->Cayenne S 2003

I am awaiting the Porsche battery maintainer shipment from UK.

I will share the result few days later.....

Thanks for the advice!

I will observe whether there is a voltage drop overnight.

but finding out the drain by pulling one fuse at a time is a extremely time consuming job.

there are over 100 fuses in the 3 fuse boxes !

This is the 3rd battery in the last 12 months. it am pretty sure it is a healthy one.

There is an auxiliary battery at the rear, both are few months old.

I was told the Aux battery only support the engine start, not running the accessories.

somehow, the alternator is not charging the battery much.

the car runs ~600km per week.

I just want to charge the battery without taking out the battery which is so cumbersome.

Before the engine starts, the voltage is only 11.4V (the battery is just 2-month old), after starting the engine, the voltage goes up to 14V(alternator is working) Theoretically, the alternator should be charging the battery, however, the voltage remains 11.4V, not going up nor going down.

That's why I want to charge the battery.

the practical symptom I have is that the aircond starts only 2-3min after the engine starts, consistently.

if the voltage is at 12V or above, the aircond starts immediately after the engine starts.

I have done a number of experiment to validate this.

now I have a portable jumpstart power pack. I am purchasing the Porsche battery maintainer from UK

I plan to charge the battery like this :

Jumpstart power pack (13.3V) --> 12V-220V-DC-AC-inverter --> Porsche battery maintainer---> Cayenne S(12V socket)

do you think this would work?

do you mean I can charge it through the jumpstart terminals?

The challenge I have is that the place the car is parked has no AC power outlet. (Idon't have any garage in my flat in Hong Kong)

do you think I can use a fully charged portable jumpstarter to charge the battery through the jumpstart terminals at the engine compartment?

Any advice is much appreciated.

In the engine compartment there is a charging positive and negative terminal under the small plastic cover on the left rear of the compartment (LH Drive at least). Pop the cover and there is a Ground post and just to the rear of it there is a Red plastic flip cover you flip up to reveal the Positive terminal. If you have time I would slow charge it with a 2~4 amp charger at least over night if not upwards of two days. If your in a hurry faster charge it with 6~8amps but use a quality charger with Automatic overcharge protection. If the battery is new and Ok then you shouldn't be getting that warning unless you were running some accessories with the engine off for a while. You should still be able to start it with that warning although it is harder on your Alternator to do all of the charging of the battery and a normal load, and it is an expensive Alternator so why put the extra stress on it.

There are some details that I am assuming, battery condition and such. It could be a bad battery, a parasitic drain larger than normal ( Cayenne does have a lot of Parasitic drain, I keep mine on a battery tender if I'm not driving it for a few days), bad Alternator/voltage regulator, dirty connections (Ground and/or Positive lead), etc....

does anyone know how to charge the battery? It is a 2003 Cayenne S

I got a "Start Engine" message before I start the engine.

The battery is just three months old

thks!

Cayenne S 2003, how to remove the driver airbag+buttons module?

the audio controll buttons and TIP are not working. I want to buy the module from eBay and replace it.

Any relevant info or pointer is appreciated.

Today, I found the voltage of the 12V socket is only 11.4V when the engine is off.

I replaced the battery, the aircond delayed turn-on problem seems gone away

let me observe for few more days.,,,,

Cayenne S 2003, 4511cc

The AC only starts blowing room temperature air about 1-3 mins after starting the engine.

It then takes another 1-5 mins to start blowing cool air.

what might be the cause ?

Is it the problem with the Air con front panel switch module?

I have encountered exactly this problem. It got fixed after the lock is replaced.

Thanks !

So, do I need to open the wheel well line to access the emergency release?

2003 Cayenne S.

any relevant info is much appreciated! Thx!

would it be a broken plastic Actuator Lever? a metal cable is unlikely to be broken......

The cable may be broken.

How to release it? is there a backup release ?

Appreciate your help!

with the engine OFF, here are voltages :

the jumpstart ends : 12.22V

the 12V socket (cigarette lighter) : 12.06V

are these normal?

The battery is only 2 months old.

without the dynamo on, the voltmeter show only 12 volts. is it too low?

should it be 12.x volts?

it is a Cayenne S 2003

every time I start the engine, the "ABS Failure Workshop" err msg pops up for a second, then disappear. Followed by the "PSM ON" msg. no warning light "!"

everything works fine.

But the "ABS Failure Workshop" err msg is very annoying.

any idea what's wrong?

called Porsche Services, they said there may be a problem with the small circuit board sitting underneath the airbag.

since the car is working fine, I just leave it to the next services

no flickering in dash panel background lighting

the radio/music control buttons on the driver airbag module including the tiptronic buttons flicker

it can be turned off by pressing the lighting button at the back side, but it does not always work.

The speedo and tacho work fine

I tried to turn it off. It does turn the light off, but sometimes it doesn't.

the tiptronic button sometimes responds (70%), but sometimes it doesn't (30%)