Update 4/28 2006 Mitsubishi Galant. The alarm goes off randomly now. Where is the system located and how can I fix or disable it?
for sure not just a bad horn button or its relaywhen it alarms does the dash screen show door errors>?it is not a single system it is deeply integrated in to all.do not fool around air bags, or boom, they must be disabled first working near any air bag SRSI FEEL YOUR PAIN, MOST OEM ALARMS CAN NOT BE FULLY DISABLED (AS IN FOR EVER , HACKED?)IS THE CAR BATTERY FULLY CHARGED, NOT WEAK?ONE SOLUTION IS TO ASK THE DEALER TO DISABLE ITOR PULL THE HORN FUSE f8.. JUST TO GET SILENCEI AM NOT TALKING IMMOBLIZER HERE. JUST THE DOOR ALARMS.SCAN THE PCM FIRST (IT MAY TELL YOU WHICH DOOR FAILS)THERE ARE 10+ SWITCHES TO FAIL HERE THIS YEAR.FRONT AND REAR./DOORS CAN BE SOME TIMESMY CAR THE USER GUIDE TELLS YOU HOW. TO NOT SET ALARMS.ON SOME CARS JUST USE THE METAL KEY TO LOCK THE DOOR AND AND ALARMS ARE NOT ENABLED, RTM READ YOUR USERS GUIDE FIRSTYES SOME CARS THE SILLY ALARM DOES NOT TELL YOU WHICH DOOR SWITCH FAILS ,JUST THAT 1 IN 10 DID. 1 FOR LIFT GLASSYES A HUGE PAIN REPLACE ALL SWITCHES 1 BY 1./BUT IF MUST GUESS TRY DRIVES DOOR SW FIRST, IT GETS HARD USE.FIRST MAKE SURE FOBS ARE NOT BAD GOING TO PINIC MODETO DO SO, TAKE OUT FOB BATTERY OR WRAP THE FOB IN KITCHEN ALUM FOIL.OR FIND STEEL COOKIE BOX AND PUT ALL FOBS IN THE CANTHIS FORMS A FARADAY GAGEALSO A FOB BAD OR ITS BATTERY WEAK CAN BE IT.SO GO TO BED WITH FOBS ALL IN A TIN BOX. SEE IF IT ENDS PAIN. MANY CARS THE USERS GUIDE EVEN HAS SPECIAL MODESLIKE NO HEAD LAMP FLASHING EVER,(BY ARMED OR ALARM)JUST HAD 1 FOB HERE THAT WENT BERSERKOPENS TAIL GATE GLASS A 1000 TIMES AS WE SLEEP!AND DOING SO BATTERY NEW FAILS FAST. GOES WORSE.THE BUTTON IN THE FOB IS SHORTED AND CAN NOT BE REPAIRED.ONLY A NEW FOB. CHAPTER 3 IN YOUR MANUAL STATE( AND IS NOT CLEAR) USERS GUIDES ARE WRITTEN BY KLINGONS.Alarm deactivation The alarm can be deactivated in the following ways. By using the remote control transmitter to lock or unlock the door or to open the trunk lid. Turn the ignition key to the "ON" position.Disarmed stage The system will be disarmed when either of the following steps are taken: 1. All doors are unlocked by the remote control transmitter. 2. The ignition key is turned to the "ACC" or "ON" position. 3. If the UNLOCK button is pressed when all doors are closed and no door is opened within approximately 30 seconds, re-arming will automatically occuR.I'D ASK THE DEALER FOR HELP. OR ANY ASE SHOP TOO.IF THE SCANS TELL WHAT FAILED WHY WOULD YOU WANT TO MISS THAT?on my car locking the door with key only , alarms are not active. finding this out on mitsubishi is not easy.some galant's have hood switch and if bad or not alignedboom justanswers saidThe only methods to disarm the factory alarm is to either use the wireless remote to unlock the doors while the alarm is going off, or use the key to unlock the car twice, either using the drivers door or the trunk lock.There is no other disarming procedure. If the lock cylinders do not disarm it, it is possible that both of your cylinder switches are bad.recap (my hit list) list shorter.check all fusesbattery main in car 12vdc not weak 12.6v is good or more.car starts can drives far ,day or night?horn button not bad, or clock spring shorts, steering col.keyfobs not bad, (remove all coins for testing) this test assumes the fobs are super bad and must be defeated. now.see if dash message shows,:door open alarm) <<< 11 switches to fail.scan the PCM to see DTC related to doors or alarm or horn.use the metal key to lock door, and not set alarm.some dealers can disable some features here, ask them.see next answer base on dead fobs or those gone mad.consider fob buttons can short and is never fun this. ever.consider drowned fob (wet inside,) battery out now.one more from justanswerslost fobs, or dead ones totally dead/bad or mad.Then to disarm you will insert the key into the drivers door and turn it twice to unlock. Either the drivers door or the trunk lock can be used for this.You can not simply disconnect the alarm on this model. The alarm is built into the ETACS (Electronic Timing and Alarm Control System). To disable the ETACS you would lose functionality of your locks, dome light, turn signals, low beam headlights and windshield wiper control. All of these functions are built into the ETACS with the alarm function.and more....
