Factory Alarm & Immobiliser

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  • Pete_RS2
    S2Forum Maniac
    • Jul 2003
    • 800

    #1

    Factory Alarm & Immobiliser

    My factory alarm doesn't 'honk' to let you know it's been activated when you lock the doors although the fog lamp switch lights up & the alarm does actually work when activated. Any ideas ?

    Also the immobiliser warning lamp doesn't come on when you first key on. I'll start by checking the bulb. Any other suggestions ?
    Now RS2'less

    '99 VW Passat VR5 Sport
  • S2 Ant
    S2Forum Possessed
    • Jul 2003
    • 3682
    • Country: United Kingdom

    #2
    My car sometimes has a delay in the honk that says its activated... sometimes its not that instant and other times it is, have u waited with the car to see if its activated in case your away from the car the time its honked?
    Ant

    2007 Mk5 Golf GTi, 3 door, DSG, REVO Stg 2 and other goodies
    2011 Kawasaki Z1000

    Comment

    • Pete_RS2
      S2Forum Maniac
      • Jul 2003
      • 800

      #3
      Yes when I tested the alarm last night I waited a couple of minutes after locking the doors & then opened the bonnet without unlocking the car & it set the alarm off. So the alarm is definitely working, it just isn't 'honking' to let you know it's been activated.
      Now RS2'less

      '99 VW Passat VR5 Sport

      Comment

      • Pete_RS2
        S2Forum Maniac
        • Jul 2003
        • 800

        #4
        Nobody got any ideas why the alarm horn works when triggered but doesn't give the warning 'honk' when you switch it on ?
        Now RS2'less

        '99 VW Passat VR5 Sport

        Comment

        • Cobstar
          S2Forum Fanatic
          • Jul 2003
          • 98
          • Country: United States

          #5
          Originally posted by Avant S2
          Nobody got any ideas why the alarm horn works when triggered but doesn't give the warning 'honk' when you switch it on ?
          Not much help I'm afraid. Mine did this last year for a few days and then it started working as normal and has been fine since!

          Comment

          • ericd
            S2Forum Extremist
            • Nov 2003
            • 1240
            • Country: Scotland

            #6
            Originally posted by Cobstar
            Not much help I'm afraid. Mine did this last year for a few days and then it started working as normal and has been fine since!

            I'm no expert on this, but historically when I've encounterd the symptoms
            described (no honk when alarm activated), it's always been the rear tailgate, either not shut properly or not catching etc...

            Comment

            • Pete_RS2
              S2Forum Maniac
              • Jul 2003
              • 800

              #7
              Any pointers for the immobliser light not working ? I've fitted a new bulb so it's not that.

              I still haven't got the alarm 'honk' to work either....
              Now RS2'less

              '99 VW Passat VR5 Sport

              Comment

              • alg
                S2Forum Extremist
                • Apr 2004
                • 1160

                #8
                Mine has aftermarket and factory immobiliser(working) with no honk! Previous S2 had Vag upgrade alarm which fully integrated with immobiliser with honk and flashes.
                So does yours have non integrated after market ? If so then I think the honk may be deactivated and if the immobiliser works does it matter?

                And I talked to the aftermarket fitter who suggested that a lot of aftermarket alarms false with the original immobiliser. As it self checks by dropping the current at car entry points to check the circuit which can set aftermarket sensors off.
                He advised me to use one or the other. I have had no problems using both on occasion
                Alastair
                RS2

                Comment

                • Pete_RS2
                  S2Forum Maniac
                  • Jul 2003
                  • 800

                  #9
                  Mine doesn't have an aftermarket alarm but does have an aftermarket immo which doesn't work. I don't know if this was integrated & can't tell if the factory immo is working as the warning light doesn't come on. I guess I could check if it is working by getting another key cut & trying it without getting the key synchronised by Audi...
                  Now RS2'less

                  '99 VW Passat VR5 Sport

                  Comment

                  • rs2coupe
                    S2Forum Extremist
                    • Oct 2004
                    • 1782
                    • Home: Trinidad and Tobago Current: United States

                    #10
                    What does an immobilizer do?
                    Cheers mis amigos,
                    _Anton

                    Comment

                    • Ruffiano
                      S2Forum Extremist
                      • Sep 2007
                      • 1458
                      • Home: Italy Current: United States

                      #11
                      Originally posted by rs2coupe
                      What does an immobilizer do?
                      Keeps the car from starting. Without the correctly coded micro chip that sits in the key, the car won't run.

                      Comment

                      • rs2coupe
                        S2Forum Extremist
                        • Oct 2004
                        • 1782
                        • Home: Trinidad and Tobago Current: United States

                        #12
                        ooooh genius thanks Dave.

                        trying to decide which ECU to buy
                        Cheers mis amigos,
                        _Anton

                        Comment

                        • Ruffiano
                          S2Forum Extremist
                          • Sep 2007
                          • 1458
                          • Home: Italy Current: United States

                          #13
                          That is based off which Wiring harness you have, I bought an ABY non immobilizer version.

                          Also if you are planning on running for example a stock RS2 ecu, you would need the key that came with the car as well so your immobilizer system would work properly.

                          Comment

                          • rs2coupe
                            S2Forum Extremist
                            • Oct 2004
                            • 1782
                            • Home: Trinidad and Tobago Current: United States

                            #14
                            Originally posted by Ruffiano
                            That is based off which Wiring harness you have, I bought an ABY non immobilizer version.

                            Also if you are planning on running for example a stock RS2 ecu, you would need the key that came with the car as well so your immobilizer system would work properly.
                            Is there somehow a way to match a new key set and a new ecu from the parts bin? Is this just not possible?

                            I have a 95 RS2 wiring harness so it does have the immobilizer
                            Cheers mis amigos,
                            _Anton

                            Comment

                            • Ruffiano
                              S2Forum Extremist
                              • Sep 2007
                              • 1458
                              • Home: Italy Current: United States

                              #15
                              Yeah i believe you can, however it would be something you would have to go to the dealer for.

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