acd fault

Appreciate if someone can help or guide me on where to look for solutions of below problem. ACD pump stayed running until disconnected battery terminal , placed terminal back on pump stopped running but now the awd service comes up on dash. there is no 12V at wiring to acd pump at back of...

Hi There, I have just fitted a Virtual Instrumentation OBDII monitor unit to my 2003 evo8 FQ300. It all works except for the fact that the Tarmac, Gravel and Snow indicators light up together (indicating an ACD fault. Any way, when I unplug the monitor from the OBDII port the AYC fault resets...