I was about to tackle the interior lights today as they don't light up when a door is open. I did some measuring with my multimeter and found this +12V on the ground side of the interior lamps. It is there no matter the light switch position. Is this voltage supposed to be there? If I have understood the system correctly, the central locking pump (V94) should offer ground to the interior lights when any door is open and the light switch (W) is in the open door position. Have I misunderstood something or is there some kind of short circuit in the central locking pump? Any other common faults?
interior_light.jpg
interior_light.jpg
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