986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Both door mirrors not heating and throwing fault codes

StephenHall · 09-14-2020, 08:30 AM

Hello!

First, I would like to say hello to everyone as I am now the proud owner of a 2005 Boxster S. I've owned many classic British cars and VWs but this is my first foray into the land of Porsche. Anyway, on with my question:

I am sorting through some of the small issues since I picked up the car. One mystery is the fact that neither of the door mirrors are receiving current for heating, but the rear window defroster is. The button for the rear defroster lights up and the rear glass window gets warm, but I checked the current across the connectors for both right and left mirror—nothing. Fault codes are also being thrown for both mirrors around the heating. Since both the rear window defroster and the mirror heating elements operate off the same switch, I’m assuming there must be a junction somewhere that I can look at? Also, what should the current read across the two connectors? Any guidance would be greatly appreciated!

09-14-2020, 08:30 AM	#1
StephenHall Registered User Join Date: Sep 2020 Location: Holden MA USA Posts: 3	Both door mirrors not heating and throwing fault codes Hello! First, I would like to say hello to everyone as I am now the proud owner of a 2005 Boxster S. I've owned many classic British cars and VWs but this is my first foray into the land of Porsche. Anyway, on with my question: I am sorting through some of the small issues since I picked up the car. One mystery is the fact that neither of the door mirrors are receiving current for heating, but the rear window defroster is. The button for the rear defroster lights up and the rear glass window gets warm, but I checked the current across the connectors for both right and left mirror—nothing. Fault codes are also being thrown for both mirrors around the heating. Since both the rear window defroster and the mirror heating elements operate off the same switch, I’m assuming there must be a junction somewhere that I can look at? Also, what should the current read across the two connectors? Any guidance would be greatly appreciated!