HI,I HAVE P02 48V. LIFT.THE HYD MOTOR WILL RUN WHEN THE BATTERY IS PLUGGED IN,KEY IS OFF AND CONTACTOR IS NOT WELDED OR PULLED IN.CODES ARE PUMP TROUBLE 513,530.I HAVE PULLED THE BATTERY AND FOUND AND REPAIRED THE 7PIN CONNECTOR THAT WAS CORRODIED.ALSO THE YELLOW 2 WIRE DIODE WAS REPAIRED.I WAS TOLD BY A FORMER NISSAN DEALER THAT IT COULD BE THE PUMP CURRENT SENSOR,IT WAS CHANGED AND MADE NO DIFFERENCE.ALSO SWAPPED WHAT I BELEIVE ARE THE IGBT WITH THE TRACTION SIDE.MADE NO DIFFERANCE.THE REPAIR INFO IS VERY VAGE SO ANY HELP WOULD BE GREAT.