Interior Lighting Functions

FUNCTIONS

INTERIOR LIGHTING FUNCTIONS

ROOM LAMPS
1. The room lamps are can be controlled manually using the 3-state (ON, DOOR, OFF) switch or by the Rear Area Module (RAM). A main switch, located to the left of the steering wheel, is used as a master control switch. The operating logic of the lamps will vary based on the position of the main switch ON, DOOR, or OFF).

2. Working conditions
- The functioning depends on the key position in the key cylinder (OFF, ACC, RUN or START)
- When the key goes in RUN or START position while the room lamps are decaying, then the room lamps are turned off immediately.
- When the Ignition key position is RUN or START and the last door is closed then the room lamps are OFF.
- If the room lamps have been activated using the RKE UNLOCK function, and the ignition switch is turned to the RUN or START position, the room lamps will be immediately turned OFF.
- If the Ignition sw status is in RUN or START and Unlock information occurs, then the room lamp status is not changed.
- When the system enters to ARM WAIT mode by Remote Key or Mechanical cylinder lock switches the Room lamp should be turned off immediately.
- If there is RKE Lock signal at any door open, all doors should be locked first and wait for the all door close. No action is taken while the Open Door status is OPEN and the doors are locked. Then when Open Door status changes from OPEN to CLOSE, Room lamps will be OFF immediately.
- The 30 sec timer does not depend on the key reminder status.
- If the main switch is changed to ON from DOOR after 20 minute lamp OFF, all the lamps are turned ON.
- If the Open Door status changes from OPEN to CLOSE (all doors close) when ignition switch is on RUN position, room lamps and door curtesy lamps should turn off immediately (Do not decay off).
- After 20 minute Room Lamp OFF at door open, Room lamps are turned ON again when:
- One of the door open switch's status changes. (Open to Close or Close to Open)
- Ignition key is in RUN or START Position.
- Receiving an UNLOCK event while a door is open and Main Room Lamp Switch is in the DOOR position.

- For the room lamps, when the 20 m timer is running and any of the side doors is opened the timer is restarted.




3. Functional Diagram




4. Truth table

MAP LAMP
1. The map lamps may be controlled manually or by the Rear Area Module (RAM).




2. Functional Diagram




3. Truth table

LUGGAGE LAMP
1. Working Conditions
- The 20 min timer does not depend on the key reminder status.
- After 20 minute Luggage Lamp OFF at tailgate open, luggage lamps are turned ON again when:
- Tailgate close and then tailgate is opened again
- Ignition key is in RUN or START position.




2. Truth table

DOOR COURTESY LAMPS
1. Working Conditions
- When driver or assistant door is open the associated door courtesy lamp is turned ON immediately.
- When driver door is closed the door courtesy lamp is decaying during 5 ± 0.5 seconds with a resolution of more than 32 steps. The ADM and DDM modules manage this decay.
- If ignition key goes to RUN or START position during decaying, the RAM module sends CAN variable with OFF value to ADM (DDM) module and the assist courtesy lamp (Driver courtesy lamp) is turned off immediately.
- If the status of driver door (assist door) changes from OPEN to CLOSE when ignition switch is RUN position, Driver courtesy lamp should turn off immediately
- If ignition switch is OFF or ACC and the driver door is open, there is a timer of 20 min after which the driver courtesy lamp is turned OFF.




2. Functional Diagram




3. Truth table

KEY HOLE ILLUMINATION
1. Working Conditions
The key cylinder is illuminated when the driver and or the assist door are open.

2. Key hole extinguish conditions:
- The key cylinder is turned off 10 s after the driver and assist doors are closed.
- The key cylinder is turned off immediately if the key is inserted in the hole and put to RUN or START position.
- For vehicles equipped with Burglar Alarm, the key cylinder is turned off immediately when the system goes to ARM WAIT mode during the 10 s after the driver and assist doors are closed.
- For vehicles not equipped with Burglar Alarm, the key cylinder is turned off immediately when KEY lock signal is received from keyfob during the 10 s after the driver and assist doors are closed (4).




3. Functional Diagram

PANEL LIGHTS, SWITCH ILLUMINATION
1. Working Conditions
The MF "high beam" and "flash to pass" switches do not influence the management of the Panel Lights and Trip Computer illumination, Rear Blower illumination and Rear Monitor illumination.




2. Functional Diagram

DIMMABLE BACKLIGHTING
1. Working Conditions
The Dimmable backlighting is directly managed by the rheostat.

POWER SEAT SWITCH ILLUMINATION
1. Working Conditions
The IPM sends a CAN message to the DDM so that this module illuminate the power seat switches.




2. Functional Diagram