Problem with my nissan almera alarm immobiliser (sigma)

Question

sometimes will disarm and arm so is intermittent the key pad seems to function correctly and today I have replaced the batteries but still the problem persists it is a 2000 model thank you everyone who answers

Answer 1

battery is not the problem.try the sensor module adjust high or low. try high and see what happened. to reset the whole alarm System it include the  audio system.the clock any thing that attach to your Alarm. may be a lose wire

  to Reset removed BATTERY cable positive.  at less 5 minutes