DescriptionThe vehicle is equipped with two GAS DISCHARGE headlamps.The electronic circuitry in each of the two headlamps switches the software on and off at the appropriate times and, in accordance with international regulations, the gas discharge headlamps.The system consists of an ignition system and ballast for each lamp which are activated when the dipped headlamps function is requested.The left headlamp is the master control unit, whilst the right one performs a slave function.The master receives the command for the dipped headlamps and the vehicle speed from the potentiometers on the wheel axles. According to the input, the switching on of the left front headlamp (dipped headlamps) is controlled and likewise that of the right headlamp via the serial line.The dipped/main beam switching is achieved by means of a motor controlled by the electronic circuitry for each headlamp.The main beam headlamps are switched on by the steering column switch unit:when the dipped beam headlamps are on, by pressing the lever towards the dashboard (stable mode)in 'flash' mode, by pulling the lever towards the steering wheel (unstable mode)The relay for switching on the dipped headlamps is managed by the Body Computer: the energizing of the relay is activated by the go ahead signals with the ignition key in the ON position (INT) and by the specific signal from the steering column switch unit.The activation and/or deactivation information is sent via the CAN: in this way the main beam warning light in the instrument panel is also switched on.The Body Computer also manages the 'dipped headlampa maintenence' function: when the main beam headlamps are on, the Body Computer keeps the dipped headlamps on.
Functional description The main beam headlamps activation signal is sent to pin 33 of connector G of the Body Computer M1 from the steering column switch unit H5. The 'ignition ON' signal (INT) for the switch H1 reaches the underdashboard control unit B2 at pin 11 of connector H and from there moves on to the Body Computer M1 (pin 9 of connector F). The Body Computer M1 controls the supply to the main beam headlamps by sending an earth signal to the engine compartment control unit B1 - from pin 9 of connector A of M1 - which energizes the relay T2: this supplies the dipped headlamps F10 (left) and F11 (right). Each circuit is protected by a control unit B1 fuse: F15 for the left headlamp and F14 for the right one. The signal is sent by the headlamp internal electronic circuit, which manages activation of the relevant light and the dipped/main beam switch motor The two electronic circuits inside headlamps F10 (left) and F11 (right) are supplied - pin 9 - from the INT line protected by fuse F37 of control unit B2. Pins 12 are both control units are interconnected, while pin 10 of the control unit in headlamp F10 receives a speedometer signal from Body Computer M1 (pin 28 of connector B). The Body Computer M1 is connected to the instrument panel E50 to manage the main beam headlamps warning light.
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the negative battery terminal.1. Remove the junction unit protective cover.192009560
5505A35
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363361-7040A44facia lh side cover - r r1. Disconnect the front electrical connectors of the junction unitcomplete with body computer.2. Unscrew the retaining bolts.3. Remove from its seating the junction unit complete with bodycomputer.4. Disconnect the rear electrical connectors of the junction unitcomplete with body computer.2027438
5505A36
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Separate the junction unit (1a) from the body computer (1b),by releasing the retaining lugs (1c).2027440
5505A41
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363151-5580C18air bag module - r+r . 769- 4110A16 steering wheel - r r for replacement or checks forversions with airbag and manual gearbox with hydraulic selection . 1. Disconnect the electrical connectors (1a) and remove the controlunit (1b) from its seating.2027441
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Disconnect the electrical connectors (1a) and (1b).2. Undo the fixing bolts (2a) and remove the door node (2b).2027444
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.1. Release the clips and remove the protective cover for the uniton the battery.2. Undo the bolts (2a) and remove the battery fixing bracket (2b).3. Slacken the nut and disconnect the battery's negative terminal.2027495
5530B52
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.3363098Op. 5530B10 BATTERY - R+R3363096- Disconnect the engine management unit electrical connections.Release the wiring from the retaining bands.1. Undo the rear fixing bolt (1a), release the front fastenings (1b) and place the engine compartment junction unit (1c) at the side.192008351
5530B56
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Undo the fixing bolts (1a) and remove the battery cover (1b).2027502
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363357-7040A26steering column trim - r+r1. Undo the bolts fixing the analogue instrument panel trim.2. Remove the trim under the instrument panel.3. Undo the upper bolts fixing the instrument panel to the dashboard;then partly release the panel.2027547
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.1. Undo the top fixing nut (1a) on the window washer fluid reservoir(1b).2. Slacken the bottom fixing nut on the window washer fluid reservoir.2027513
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negativeterminal.1. Disconnect the electrical connection for the right front lightcluster. 2062681
5540B48
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negativeterminal.1. Disconnect the electrical connection for the headlamp alignmentcontrol unit.2. Adjust the clip (2a) and remove the protection (1b).2062684
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Disconnect the electrical connection on the front left lightscluster.2027517
5540B53
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.1. Undo the top fixing nut (1a) on the window washer fluid reservoir(1b).2. Slacken the bottom fixing nut on the window washer fluid reservoir.2027523
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negativeterminal.1. Disconnect the electrical connection for the right front lightcluster. 2062695
767 It is not possible toorder a single lock barrel or to order barrels using a single partcode. When ordering barrels, observe the special procedure illustrated 3363161See assembly5580E anti-theft device .
5520A18
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363357-7040A26steering column trim - r+r1. Disconnect the electrical connectors of the ignition block (1a)and Cruise Control (1b).2. Release the retaining clips on the ignition switch contact block.2027470
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