Subject: 1994 DIAMANTE
Question: I HAVE A 1994 DIAMANTE.
CAR WILL NOT START -- NO FIRE TO THE PLUGS.
MECHANIC SAYS IT HAS TO DO WITH THE ALARM/SECURITY SYSTEM NOT RESETTING. HAVE TRIED TO RESET, LOCKING & UNLOCKING DRIVER DOOR WITH KEY, BUT NO LUCK. WHAT DO YOU SUGGEST?
JUST REPLACED FUEL PUMP, AND CAR STARTED UP AND RAN FINE... ONE TIME!! NOW IT WILL NOT START AT ALL. pLEASE HELP!!
THANKS
Answer: Mark,
Most likely your problem is electrical. Your alarm system may be getting incorrect signals from your car's computer. Read this article for further information:
http://www.90gsx.com/eclipse/cap/caps.htm

If your ECU is faulty, then many strange things could be occuring; and it may have nothing to do with your alarm system. Have your ECU inspected before the mechanics do any more diagnostic work on your. You may need to have your ECU serviced.
Good luck!