Fusebox internals - map/diagram

[Huw Powell]

That tests the ECU and whatever POSs are.

It doesn't actually "check for spark", though.  Bad coil, bad plug, 
drowned spark, you wouldn't find them, right?

> Just use a logic probe to back probe the coil connector for checking
> for spark. If the signal is getting to the coil then the ECU is doing
> it job as well as the POS's.


-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/