DescriptionThe car may be fitted with an electronically-controlled safety system that sets off the front seat belt pretensioners and the driver's Air Bag, passenger Air Bag and Side Bags in the case of frontal and/or side impact of a certain severity.In the case of a side impact of a certain magnitude, the Side Bag and the corresponding Head Bag are activated (only on the side where the impact took place).An electronic control unit manages the entire system by controlling all the components and activating the restraint systems (pretensioners and airbags) as necessary.The control unit is located under the centre console and is rigidly fixed to the bodyshell: in this way the deceleration sensors located inside it are close to the centre of gravity and detect deceleration for the entire vehicle accurately.There is an accelerometric sensor on the two front door pillars which, in the case of a side impact, transmits a signal to the control unit. This signal is also processed inside the control unit which, as a result, decides on the operation of the Side Bag and the Head Bag on the side where the impact has taken place.The driver's Air Bag module is located in the centre of the steering wheel; it is fitted on a tilting plate which enables the horn to be operated. The plate houses a metal container which holds the folded airbag and a gas generator that inflates the bag.A clock spring device allows the airbag module connection leads to turn with the steering wheel without the risk of breakage.The passenger airbag is located on the facia, above the glove compartment., and is fastened directly to the car crossmember via a special bracket.The passenger Air Bag can be manually deactivated via a special switch - which can be operated by a key - located at the end of the dashboard, passenger side and is only accessible with the door open. With the key in the OFF position, the control unit also controls the operation of the special 'passenger Air Bag disabled' warning light.The Side Bag is housed in the outer part of the front seat. The sensor is located in the centre pillar.The Head Bag consists of a curtain bag which inflates and places itself between the head of the occupants and the side windows. The Head Bag folded bag is located under the roof panel, whilst the rear pillar houses the gas generator. The Head Bag represents further protection for the occupants of the front seats because, in addition to the chest area which is already protected by the Side Bags, it also protects the head.It also offers the first protection for the occupants of the rear seats.The pretensioner is a device built into the front seat belt reel. For more details 3022535Characteristic of working principle5580Cair bag system . The control unit comes with a self-diagnostic function.it detects and memorizes any faultsit recognizes the various components and the type of faultit signals the onset of these faults via the special warning lightSystem activations following a particularly serious impact are memorized by the control unit.The system control unit supply line is protected by a fuse located in the junction unit.768
767When operations are carried out to the Air Bag system the recommended safety instructions must be followed precisely.
For more details [PR5580C].
Functional description The Air Bag system control unit M60 receives a supply controlled by the ignition (INT) at pin 7 of connector A from the line protected by fuse F50 of the additional fuse box B2 . Pin 6 is connected to the specific earth C50 . When frontal impact of a certain severity (depending on the software setting) is detected, the control unit sends control signals to set off the modules:to driver's Air Bag Q9 , via the steering wheel clockspring D47 (from pins 14 and 13 of connector A of M60 ):to passenger side air bag Q11 (from pins 15 and 16 of connector A of M60 ):to the driver's pretensioner Q20 (from pins 13 and 14 of connector B of M60 ) and the passenger pretensioner Q21 (from pins 15 and 16 of connector B of M60 ). A signal from passenger Air Bag disabling switch H75 reaches pin 11 of connector A of M60. The side impact detection sensors K66 (driver's side) and K67 (passenger side) send signals to pins 1, 2, 3 and 4 respectively of connector B of the control unit M60 . When side impact of a certain severity (dependent on the software setting) is detected, the control unit sends control signals to set off the modules:to driver's side bag Q30 (from pins 17 and 18 of connector B of M60 );to passenger side bag Q31 (from pins 19 and 20 of connector B of M60 );to the driver's Head Bag Q40 (from pins 21 and 22 of M60 );to the passenger Head Bag Q41 (from pins 23 and 24 of connector B of M60 ). The seat structure that houses the two side bags is connected to earth C50 . When the system self-diagnostic function detects a fault or an impact is detected, control unit M60 sends a signal -from pin 17 of connector A - to the Air Bag faulty warning light located in the instrument panel E50 .; pin 12 of connector A of M60 sends the signal for the 'passenger disabling' warning light. Self-diagnostic data can be read by connecting the unit to connector G of Body Computer M1 - pin 3: this receives signals from pin 9 of connector A of control unit M60 through the relevant tester line.
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025802-7040A37fuse box cover - r r1. Disconnect the electrical connections at the front (1a, 1b, 1c,1d, 1e, 1f).2. Undo the bolts fixing the control unit.3. Undo the bolts shown fixing the dashboard cover.2004865
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Ensure that the ignition key is in the OFF position, then disconnectthe negative battery terminal (-).2. Open the maxi fuse box cover.3. Undo the bolts securing the 'maxi-fuse' box to the battery.4. Loosen the bolt fixing the battery terminal (+).5. Release the maxi fuse box from the battery and move it to theside.2004975
5530B14
Follow these precautions:769768768
5530B18
Follow these precautions.769On batteries with an opticam hydrometer,electrolyte level and battery charge status can be monitored qualitativelyby examining the indicator colour: a light, bright colour indicates low electrolytelevel: top up with distilled water;a dark colour without a green area in thecentre indicates that the electrolyte level is correct but chargeis low: recharge the battery; a dark colour with a green area in themiddle indicates that both electrolyte level and charge status arecorrect: no action is necessary. For further details, see DESCRIPTION ANDOPERATION - 5580.768Proceed as follows.Check the battery voltage without loadusing the test device recommended by the Service outlets (e.g. 'MICRO360'). Depending on the voltage values measured,which define the state of charge of the battery, proceed as follows:If the voltage without load is less than12.10 V, replace the battery (see op.). 5530B10).If the voltage without load is over 12.10V but less than 12.50 V, recharge the battery (see op. 5530B14).If the voltage without load is over 12.50V, the battery is efficient.If necessary, top up the electrolyte asfollows.Carefully remove the cap strip.Top up with distilled and deionized water,taking care not to allow electrolyte to splash out.768
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Place the vehicle on a lift.Open the bonnet lid.1. Release the retainers (1a) and remove the cover (1b).2004980
5530B40
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Open the bonnet lid.1. Release the retainers (1a) and remove the cover (1b).2004986
5530B52
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Proceed with removal 3025534-5530B10battery - r+r .1. Remove the relay/fuse box cover.2. Undo the nut (2a) and disconnect the earth lead (2b) from therelay-fuse box.2004990
5530B60
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025534-5530B10battery - r+r1. Remove the battery drip tray.2. Unscrew bolts (2a) and loosen bolt (2b) securing the batterycradle.3. Move the battery cradle aside.4. Release the belt retaining stud.5. Remove the belt.2005002
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Release the retainers for the switch panel from the dashboardtrim.2. Disconnect the electrical connections.3. Recover the switch panel.2005045
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025620-5580E08aerial for alpha code- r r1. Disconnect the electrical connections (1a, 1b) from the ignitionswitch.2. Use a drift and undo the headless bolts (2a); remove the ignitionswitch (2b).7682004913
5520A14
769
5520A16
769
5520A18
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. If necessary, regulate the steering wheel height adjustment lever.2. Undo the bolts fixing the lower trim.3. Remove the lower trim, releasing it from the inner retainersand the steering wheel.2004920
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025840-7045A10l/h or r/h front seat(one) - r+r1. Working under the seat, disconnect the retainer (1a) and turnconnector carrier bracket (1b) until it is accessible. 2. Disconnect the connector from the rail-type retainer3. Disconnect the wiring from the retainer.4. Disconnect the retaining bands (4a) from the wiring (4b) forthe seat belt anchor link. 2005479
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