L is anybodies guess

It works out correct for the other three speakers, so when you open up the nearside door, it will come in a flash of coloured light what the L stands for probably a "Light" color maybe even Light Orange

I can't look at mine as the Wife is driving it back from Blackburn today, and she won't take kindly to being asked to strip the nearside door down halfway down the M6
Yes some of the diagrams have the colours in symbol form some in letters it was only after I had added the colour code that I realised that this was a diagram without Japanese symbols
