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roninbz

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  6. Farurii si stopuri aprinse

    in Probleme tehnice si rezolvari comune mai multor modele BMW

    Posted · Edited by roninbz

    Car Access System (CAS) in Comfort start with immobilizer function

     

    Car Access System (CAS)

    The following functions are grouped in the Car Access System (CAS):

    · Terminal control

    · Comfort start with electronic car immobilization system

    · Remote control

    · Central control of the central locking system

    · Central control of the power windows

    · Gateway module for K-CAN

     

    Terminal control

    Terminal R and 15 as well as the cable for activation of the data bus PT-CAN (wake-up line, terminal 15 WUP) are controlled in the CAS.

    · When the remote control is inserted in the ignition lock, the CAS transmits the information (terminal R On) via the data buses K-CAN SYSTEM and K-CAN PERIPHERIE. Control units that are active as of terminal R (e.g. wiper module) are thus activated. There is no separate cable for terminal R.

    · When the remote control is inserted in the ignition lock and then the start-stop button is pressed, terminal 15 is switched on. The CAS forwards this information across the data buses to the control units. In addition, CAS has four terminal 15 outputs to which control units or release relays are connected.

    · When terminal 15 is switched on, the control units on the data bus PT-CAN are activates (woken up) across the cable terminal 15 WUP.

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