Safety and Security Function
SAFETY AND SECURITY FUNCTIONREMOTE KEYLESS ENTRY
1. The aim of this function is to receive the key fob signal and decode it. There are 8 different data included in the radio frequency frame sent by the RKE to the IPM module:
- Central door lock
- Central door unlock
- Panic function
- Driver door window close (long press on RKE lock button)
- Driver door window open (long press on RKE unlock button)
- Left sliding door open/close
- Right sliding door open/close
- Power tailgate open/close
2. Each vehicle can have at most 2 associated key fobs.
The key fob is physically separated from the key itself (separate device).
3. Input/Output Definition and Characteristics
CENTRAL LOCK/UNLOCK
1. Central locking/unlocking logic is controlled by IPM.
Locking/Unlocking inputs are located in ADM, DDM (Lock/Unlock switch, door knobs, door key cylinder) and in IPM (RKE receiver).
2. Locking/Unlocking actuators are located in ADM for passenger door, DDM for driver door and RAM for sliding doors and tailgate.
There are 5 ways of operating central lock/unlock:
- With Key RKE
- With Door Lock/Unlock switches located on ADM/DDM
- With Door Lock Monitoring switches located on the passenger/driver door
- With Door/Tailgate Key Cylinder Lock/Unlock switches located on the tailgate or passenger/driver door.
3. Functional Diagram
KEY REMINDER UNLOCK
1. Key reminder door unlock does not take into account the lock/unlock commands from RKE, key cylinder or door lock switches. It only takes into account the state of the door lock monitoring switch, key reminder switch and door open status in order to proceed with the unlock sequence or not.
2. Functional Diagram
REMOTE KEYLESS ENTRY PANIC
1. Working Conditions
RKE panic function is only active when the key is out of key cylinder.
Once started, panic operation is not stopped when ignition key is inserted, ignition is ACC, RUN or START, or door is opened or closed.
2. Functional Diagram
HORN
1. Working Conditions
Required key positions:
- At any position of the key in the cylinder for the horn stalk activation,
- At Key out from the key cylinder for the horn lock activation or for panic activation.
2. Functional Diagram