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WIRING DIAGRAM - CENTRAL LOCKING - Alfa Romeo 159 2.4 JTD 20V Fino a 12/05
COMPONENTS - CENTRAL LOCKING - Alfa Romeo 159 2.4 JTD 20V Fino a 12/05
| Component code | Description | Reference to the operation |
| B002 | JUNCTION UNIT UNDER DASHBOARD | |
| B099 | MAXIFUSE BOX ON BATTERY | |
| C015 | DASHBOARD EARTH, DRIVER'S SIDE | - |
| C020 | PASSENGER SIDE DASHBOARD EARTH | - |
| C030 | LEFT REAR EARTH | - |
| C031 | RIGHT REAR EARTH | - |
| D001 | FRONT/DASHBOARD COUPLING | - |
| D006 | FRONT/REAR COUPLING | - |
| D030 | DRIVER'S FRONT DOOR COUPLING | - |
| D031 | PASSENGER FRONT DOOR COUPLING | - |
| D035 | LEFT REAR DOOR COUPLING | - |
| D036 | RIGHT REAR DOOR COUPLING | - |
| E040 | ALARM LED | |
| E050 | INSTRUMENT PANEL | |
| H035 | TUNNEL SWITCHES | |
| I050 | INERTIA SWITCH | |
| M001 | BODY COMPUTER | |
| M063 | LUGGAGE COMPARTMENT CONTROL UNIT (NVB) | |
| M066 | DRIVER'S DOOR CONTROL UNIT (NPG) | |
| M067 | PASSENGER DOOR CONTROL UNIT (NPP) | |
| M089 | STEERING LOCK CONTROL UNIT (NBS) | |
| N050 | DRIVER'S FRONT DOOR LOCK GEARED MOTOR | |
| N051 | RIGHT FRONT DOOR LOCK GEARED MOTOR | |
| N055 | LEFT REAR DOOR LOCK GEARED MOTOR | |
| N056 | RIGHT REAR DOOR LOCK GEARED MOTOR |
COMPONENT LOCATION - CENTRAL LOCKING - Alfa Romeo 159 2.4 JTD 20V Fino a 12/05
| Component code | Description | Reference to the operation |
| B002 | JUNCTION UNIT UNDER DASHBOARD | |
| B099 | MAXIFUSE BOX ON BATTERY | |
| C015 | DASHBOARD EARTH, DRIVER'S SIDE | - |
| C020 | PASSENGER SIDE DASHBOARD EARTH | - |
| C030 | LEFT REAR EARTH | - |
| C031 | RIGHT REAR EARTH | - |
| D001 | FRONT/DASHBOARD COUPLING | - |
| D006 | FRONT/REAR COUPLING | - |
| D030 | DRIVER'S FRONT DOOR COUPLING | - |
| D031 | PASSENGER FRONT DOOR COUPLING | - |
| D035 | LEFT REAR DOOR COUPLING | - |
| D036 | RIGHT REAR DOOR COUPLING | - |
| E040 | ALARM LED | |
| E050 | INSTRUMENT PANEL | |
| H035 | TUNNEL SWITCHES | |
| I050 | INERTIA SWITCH | |
| M001 | BODY COMPUTER | |
| M063 | LUGGAGE COMPARTMENT CONTROL UNIT (NVB) | |
| M066 | DRIVER'S DOOR CONTROL UNIT (NPG) | |
| M067 | PASSENGER DOOR CONTROL UNIT (NPP) | |
| M089 | STEERING LOCK CONTROL UNIT (NBS) | |
| N050 | DRIVER'S FRONT DOOR LOCK GEARED MOTOR | |
| N051 | RIGHT FRONT DOOR LOCK GEARED MOTOR | |
| N055 | LEFT REAR DOOR LOCK GEARED MOTOR | |
| N056 | RIGHT REAR DOOR LOCK GEARED MOTOR |
DESCRIPTION - CENTRAL LOCKING - Alfa Romeo 159 2.4 JTD 20V Fino a 12/05
The simultaneous operation of the four door locks takes place via:- TEG the remote control;- the locking/unlocking button in the centre console.The TEG remote has 3 buttons which allow the operation of the central locking system: a button for unlocking the doors, one for locking the vehicle and one for releasing the bootThe door unlocking/locking management strategy is carried out by the two door opening controls units and the boot control unit (for the rear doors) which control the effective state of the locks through the signals arriving from the switches in the actual locks and the emergency key pawl (driver''s door only) in this way the "locking" command is only carried out with all the doors properly shut and the locks unlocked; conversely, the "unlocking" command is only carried out with the locks locked.The locks have an additional motor that carries out the dead lock function which allows the interior door opening handles to be mechanically disconnected so that it is no longer possible to open the door from the inside (for example, after having broken the glass in a theft attempt); the dead lock function also inhibits the operation of the door locking/unlocking buttons in the dashboard.The dead lock function is switched on at the time the doors are locked or by pressing the remote control twice.An LED next to the two above mentioned controls makes the following signals:- locking of the locks: the LED lights up for 3 seconds. If some of the doors or the boot are not properly shut at the time when the locks are locked, the LED flashes at 3 Hz for 3 seconds;- dead lock activation: the LED flashes twice for 0.5 seconds;- unlocking the locks: the LED goes out.The instrument panel acquires the door status signal via the CAN and lights up the "doors open" warning light and, at the same time, the information is shown on the display; in addition, if one of the doors or the boot or the bonnet is open and the speed of the vehicle exceeds around 4 km/h, an acoustic warning is also emitted.It is possible, using the special setup in the instrument panel, to select whether to unlock all the doors or only the driver''s front door, whilst all the other doors and the boot remain locked.It is possible to enable/disable the locking of the doors above a certain speed threshold (20 km/h) using the special setup in the instrument panel: in this case the Body Computer implements the locking of the doors when this threshold is exceeded. When the speed returns below this level, the doors and the boot remain locked; later on, when one of the doors is opened, the function is re-enabled and, if the threshold is exceeded, the doors are locked once again.The boot unlocking operating mode can be selected still using the special setup in the instrument panel:- assisted boot unlocking: the tailgate is considered as a fifth door to all intents and purposes;- independent boot unlocking: the boot is locked when the doors are locked, whilst it can be unlocked independently of the unlocking of the doors.The doors are automatically unlocked if the inertia switch is operated: the instrument panel receives a signal from the switch, lights up the appropriate warning light and notifies the Body Computer via the CAN.The central locking circuit is protected by two specific fuses - one for the front doors and one for the rear doors - located in the junction unit under the dashboard.
FUNCTIONAL DESCRIPTION - CENTRAL LOCKING - Alfa Romeo 159 2.4 JTD 20V Fino a 12/05
The door locking/unlocking function is controlled by the control units for the driver''s door M66, passenger side M67 and luggage compartment M63 all connected via the CAN line to one another and to the Body Computer M1.The control units M66 and M67 receive a power supply at pin 11 of connector D from the line protected by fuse F32 of the junction unit under the dashboard B2, the luggage compartment junction unit M63 at pin B8 of connector A from the line protected by fuse F36 of B2.Pin 19 connector B and 7 of connector D of M66 and of M67 are earthed.Pin C8 of connector A of M63 is also earthed.Control units M66 and M67 receive the following input:- the "locking" signals from the knobs at pin 23 of connector B of M66 and M67; (the knobs for the rear doors send the signal to the passenger side control unit M67;- the locking/unlocking signals from the emergency key pawl, at pins 24 and 25 of connector B of M66;- the negative signal from the locking/unlocking button, located in the controls on the tunnel H35, at pin 34 of connector A of M66.According to the control logic illustrated, the control units M66 and M67 control the geared motors for the front door locks: the joint power supply for the motors is sent from pin 6 of connector D; the locking/unlocking motors (B/S) are operated from pin 4 of connector D; the dead lock motors (DL) for locks N50 and N51 are operated from pin 3 of connector D.Similarly the control unit M63 receives control signals from pins 10, 11 and 26 of connector B of M67 and controls the geared motors for the rear door locks: the joint power supply for the motors is sent from pin A7 of connector A and A2 of connector B; the locking/unlocking motors (B/S) are operated from pin C7 of connector A and C2 of connector B; the dead lock motors (DL) for locks N55 and N56 are operated from pin C6 of connector A and C4 of connector B.The signalling LED E40 is lit up by a signal from pin 8 of connector C of M66, whilst a reference earth is sent from pin 6.The activation of the inertia switch I50 is indicated at pin 17 of connector D of the Body Computer M1 : this signal, as described previously, causes the opening of the doors.
