Audi A3 - Recent Questions, Troubleshooting & Support - Page 5

Pull the switch panel and verify you have power to the panel first.

The easiest way to find an electrical draw is to remove the negative battery cable and put a test light in between the battery post and the cable. If a draw is present the light will light bright, a dim light is normal. You can now remove fuses until you find the circuit that has a short. You should start at the alternator, it is very common that a diode will short out inside of the alternator allowing it to still charge, but also have a direct short.

Okay... (looking at the fuel pump & clutch issues) So you have had this car a while... I left this sit hoping some one else would address your ISSUE... >> Assuming you have actually done the "SERVICE" Watch the following video... (fast & easy) How to reset service interval in Audi A2 A3 A4 A6 TT SRI SRL 2000 and newer Carnac the Magnificent

Replace the driver side window switch panel

the problem is in the voltage regulator IT is probably in the ECM which will require an ECM replacement get it to an accredited auto electrician for a full check of the charge system to eliminate all faults , fires etc

Hi your crank sensor could be the problem. Have it remove and check. It could be sorting if hot.

Well if the light wont go off, maybe something is wrong with your vehicle. If there is nothing macanicly wrong with your vehical best to your knowladge, chances are that one of your sensors have malfunctioned and probably need raplacing. Take your car to a mecahnic shop, they usually do a free diagnostics by hooking a computer up to your car and it will provide what sensor has been tripped in your car.