Reference to my subfloats always reference to Fig 1a, 1b or 1c

Question

I have a document where multiple figures with subfloats are included, like this one:

\documentclass[pdftex, a4paper, oneside]{scrartcl}
\usepackage[lofdepth,lotdepth]{subfig}
\usepackage{graphicx}
\begin{document}
test
\ref{fig:2ref1}
\ref{fig:1ref1}
\section{test}
\begin{figure}[h]
\subfloat[][caption1]{
\includegraphics[width=0.45\textwidth]{pictures/1.pdf}
\label{fig:1ref1}
}
\subfloat[][caption]{
\includegraphics{pictures/2.pdf}
\label{fig:1ref2}
}
\end{figure}
\section{test2}
\begin{figure}[h]
\subfloat[][caption]{
\includegraphics[]{pictures/1.pdf}
\label{fig:2ref1}
}
\subfloat[][captio]{
\includegraphics{pictures/2.pdf}
\label{fig:2ref2}
}
\end{figure}
\end{document}

The problem now is that both \ref{fig:2ref1} and \ref{fig:1ref1} return 1a as picture reference, even if they are different pictures and should be 1a and 2a.

Answer 1

As I mention in comment, the problem is that the figure counter is not incremented, because you do not have a \caption in the figure environments. If you add a caption inside each figure, outside the subfloats, you get the desired outcome.

\documentclass[a4paper, oneside]{scrartcl}
\usepackage[lofdepth,lotdepth]{subfig}
\begin{document}

\ref{fig:1ref1}
\ref{fig:1ref2}

\ref{fig:2ref1}
\ref{fig:2ref2}


\begin{figure}[h]
\centering
\subfloat[][caption1]{
FIGURE 1A
\label{fig:1ref1}
}
\subfloat[][caption]{
FIGURE 1B
\label{fig:1ref2}
}
\caption{First figure}
\end{figure}

\begin{figure}[h]
\centering
\subfloat[][caption]{
FIGURE 2A
\label{fig:2ref1}
}
\subfloat[][captio]{
FIGURE 2B
\label{fig:2ref2}
}
\caption{Second figure}
\end{figure}
\end{document}

Answer 2

The subfig package documentation states, that the command \p@subfigure is prepended to the reference texts and that it defaults to \thefigure. As you don't caption your figures, this is always 1. In the MWE you might want to prepend \thesection instead. So this should help:

\makeatletter
\renewcommand{\p@subfigure}{\thesection}
\makeatother