DescriptionThe antilock braking and anti-slip regulation systems (BOSCH 5.7 ABS with ASR) modulate brake pressure sent to the wheels to prevent loss of grip under all tyre and road surface conditions by cutting in automatically whenever one or both drive wheels begin to slip. The ASR system increases vehicle stability and active safety by controlling drive wheel slip. If slip is caused by excessive power transmission, it cuts in to reduce engine power through communication with the engine management control unit. if slip is detected at a single wheel, the system cuts in to brake the slipping wheel by acting on the modulation solenoid.ASR comes on automatically whenever the engine is started. The system can be deactivated by operating a button on the central console. When the system is off, a led on the button comes on at the same time as a warning light on the control panel.The warning light flashes when the system cuts in to notifiy the driver that the ASR system has cut in due to road surface grip conditions.The warning light comes in in fixed mode when the control unit detects an error in the ASR function.
Functional description The ABS electronic control unit M50 is supplied (at pins 2 and 6) directly by the battery via a line protected by maxifuse F4, housed in the engine compartment junction unit B1 . The ignition-operated supply (INT/A) reaches pin 23 from the line protected by the fuse F42 of under facia control unit B2 . The control unit is earthed via pins 1 and 5. The four sensors K70, K71, K75, K76 send wheel speed signals to pins 28-12, 15-16, 13-14 and 30-31 of M50 respectively. Brake pedal switch I30 sends an enablement signal to pin 32 of control unit M50 : the ABS cannot intervene unless the brake pedal is pressed. The switch I30 is supplied when the ignition is switched on (INT) from fuse F37 of junction unit B2 . The 'ASR OFF' control button on panel H35 sends a deactivation signal to pin 27 of M50 , while pin 18 viene relays a signal that turns on a led on panel H35 when the system is off. Pin 37 di M50 emits a discrete speed signal that is sent tol Body Computer M1 ; the same signal is also copied via the CAN network. The CAN line that connects M50 to M10 allows the ASR function to notify the engine management control unit of excessive engine power. Pins 24 and 40 of ABS control unit M50 connect to Body Computer M1 and instrument panel E50 to control the ABS warning light and - if the problem lies in the EBD function - the low brake fluid level and handbrake warning lights. The ASR function manages the relevant warning light as described previously. Self-diagnostic data can be read by connecting to connector G of Body Computer M1 - pin 1: it receives signals from pin 11 of control unit M50 via a special diagnostic 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>1Refitting211. Remove the switch panel (1a) from the retainers (1b).2. Disconnect the electrical connections.3. Recover the panel.2005348
7040L35
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Raise the armrest.2. Remove the cover, in the direction of the arrows.3. Undo the armrest retaining bolts.4. Remove the armrest.2005349
7040L40
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Unscrew the bolts2. Remove the door seal in the kick plate area.3. Remove the kick plate (3a) from the inner retainers (3b) usingthe special tool.2005350
7040L44
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Raise the rear seat cushion.2. Undo the bolts fixing the running board.3. Remove the running board.2005351
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Position the vehicle on the ramp.Proceed with removal 3025534-5530B10battery - r+r .Proceed with removal 3025540-5530B52Battery DRIP TRAY/SUPPORT- R.R. .Proceed with removal 3025363-4450B10Front WHEEL (one) -R.R. .Remove the protective cap on the brakecaliper bleed valve. Connect the collection system (pipe andreservoir) to the bleed valve on the brake caliper. Operate the brake pedal until the brake-clutchfluid reservoir is empty. 1. Disconnect the electrical connection from the air flow meter. 2. Disconnect the oil vapour recovery pipe from the air intake hose.3. Slacken the bands (3a) and remove the duct from the filter tothe throttle body with integrated D.V.L. (3b) complete with airflow meter (3c).2004274
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Proceed with the removal 3025534-5530B10battery - r+r . Proceed with the removal 3025540-5530B52Battery DRIP TRAY/SUPPORT- R.R. . 1. Disconnect the electrical connection from the A.B.S. hydraulicand electronic control unit.2. Undo the bolts (2a) and remove the ABS electronic control unit(2b).2004288
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.1. Disconnect the electrical connection from the air flow meter.2. Loosen collars (2a) and remove air flow meter (2b) after disconnectingit from the air intake sleeves.2001588
<anchor>1</anchor><span>Refitting</span><icon><imageid>21</imageid></icon>0Removing20Refit the variable valve timing electro-magnet and secure by tightening the bolts to the recommended torque.Connect the electrical connection to thevariable valve timing electro-magnet.Proceed with the refitting 3024766-1016A40ignition coil coveron cylinder head- r+r .Connect the battery terminal (-).
1056B50
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.1. Disconnect the electrical connection from the air flow meter.Disconnect the electrical wiring for theflow meter from the fastening on the air intake sleeve.2. Disconnect the oil vapour recirculation pipe from the air intakeduct.3. Undo the bolts (3a) and remove the air intakehouse (3b) completewith air flow meter (3c).2002026
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.Proceed with the removal 3024766-1016A40ignition coil coveron cylinder head- r+r . Discharge the fuel supply pressure withthe tool connected to the specific valve located on the side ofthe fuel manifold pipe.1. Disconnect the electrical connections from the injectors.2. Disconnect the rapid attachment of the fuel supply front pipe,fuel manifold pipe side.3. Release the front fuel delivery pipe from the fastening on theair chamber.2001601
1056B68
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Remove the clips (1a) and remove the injectors (1b) from thesingle fuel manifold pipe.2. Remove the seals from the injectors.2001605
1056B70
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Remove the clips (1a) and remove the injectors (1b) from thesingle fuel manifold pipe.2. Remove the seals from the injector2001606
1056B78
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.1. Disconnect the electrical connection from the switch on the clutchpedal.2. Turn the switch clockwise through 90 degrees and remove.2001607
1056B81
Make sure that the ignition key is in theOFF position.Check that the air conditioner is off andthat the accelerator pedal is never pressed.Connect the tool to the diagnostic socketand place the knob in position 3.Connect the Examiner diagnostic equipment.Place the ignition key in the ON position.Using the Examiner, enter the 'ControlUnit Test' ambient.Using the Examiner, enter the 'Active Diagnosis' ambient,then select 'Reset self-adjustment parameters' and 'Idle actuator'.Using the Examiner, press 'Carry out activediagnosis'.Place the ignition key in the OFF positionand wait for 30 seconds.Place the ignition key in the ON positionand wait for 30 seconds.Using the Examiner, re-establish the dialoguewith the engine control system.Using the Examiner, enter the 'Parameters'ambient and select the following tests from the menu - 'Idle recognitiontest - carried out' and 'Idle recognition signals - synchronized'.767If at least one of the parametersdoes not conform, place the ignition key in the OFF position andrepeat the procedure. If this non conformity persists, check thatthe diagnostic cable is correctly connected and check the operationof the instrument.Place the ignition key in the OFF positionand wait for 30 seconds.Start up the engine without acting on theaccelerator pedal.Disconnect the diagnostic equipment.Test the vehicle by driving for severalkilometres then, with the engine warmed up, check that it is idlingcorrectly.
1056B82
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.1. Disconnect electrical connections (1a) and (1b) from the injection-ignitioncontrol unit.2. Release the electrical wiring from the fastening on the ignition/injectionsystem control unit mount.2001608
1056B87
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.1. Disconnect electrical connections (1a) and (1b) from the injection-ignitioncontrol unit.2. Release the electrical wiring from the fastening on the ignition/injectionsystem control unit mount.2001610
1056B90
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Position the vehicle on the ramp.Ensure that the ignition key is in theOFF postition, then disconnect the battery negative terminal.1. Disconnect the fuel vapour recirculation pipe from the air inakesleeve.2. Disconnect the intake hose from the throttle body integratedwith D.V.L. and move to one side.2001616
1056B10
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF position, then disconnect the negative battery terminal (-). Proceed with removal 3024825-1048A28vacuum air circuit resonatorpipe - r+r . 1. Disconnect the electrical connection from the air flow meter. 2. Undo the nuts (2s) and remove the brackets (2b) securing theair flow meter to the aiar filter cover.3. Remove the air flow meter (3a), complete with hose (3b).2067872
1056B62
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF position, then disconnect the negative battery terminal (-).Proceed with removal 3024979-1072B42left hand or right handinlet manifold (one) - r+r .Discharge the fuel system pressure withthe tool connected to the bleed valves on the fuel pipe.1. Disconnect the quick-release connector for the front fuel supplypipe, fuel pipe side.2. Disconnect the electrical connections from the injectors.3. Undo the bolts (3a) and remove the fuel pipe (3b) complete withinjectors (3c).769Avoid working with the engine hot underall circumstances;Never use tools such as pliers, screwdrivers,etc. under any circumstances;If it is released, rotate the rapid connectorcover before acting on the release buttons;Check its condition (deformation/breakageof retaining lugs, release buttons) before reconnecting it;After re-engageing the rapid connector,check that it is correctly attached by pulling it;At the end of fitting, check that thereare no fuel leaks by starting up the engine again;If there is damage to the rapid connector,replace the complete right pipe.2067877
1056B66
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF position, then disconnect the negative battery terminal (-).Discharge the fuel system pressure withthe tool connected to the bleed valve on the left fuel pipe.1. Disconnect the electrical connections from the left injectors.2. Disconnect the quick-release connector for the front fuel supplypipe, fuel pipe side.3. Disconnect the rapid connector from the right fuel manifold pipeto the left one.769Avoid working with the engine hot underall circumstances;Never use tools such as pliers, screwdrivers,etc. under any circumstances;If it is released, rotate the rapid connectorcover before acting on the release buttons;Check its condition (deformation/breakageof retaining lugs, release buttons) before reconnecting it;After re-engageing the rapid connector,check that it is correctly attached by pulling it;At the end of fitting, check that thereare no fuel leaks by starting up the engine again;If there is damage to the rapid connector,replace the complete right pipe.4. Undo the bolts (4a) and remove the left fuel manifold pipe (4b)complete with injectors (4c).2067878
1056B67
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF position, then disconnect the negative battery terminal (-).Proceed with removal 3024979-1072B42left hand or right handinlet manifold (one) - r+r .Discharge the fuel system pressure withthe tool connected to the bleed valve on the right fuel pipe.1. Disconnect the electrical connections from the right injectors.2. Disconnect the rapid connector connecting the right fuel manifoldpipe to the left one.769Avoid working with the engine hot underall circumstances;Never use tools such as pliers, screwdrivers,etc. under any circumstances;If it is released, rotate the rapid connectorcover before acting on the release buttons;Check its condition (deformation/breakageof retaining lugs, release buttons) before reconnecting it;After re-engageing the rapid connector,check that it is correctly attached by pulling it;At the end of fitting, check that thereare no fuel leaks by starting up the engine again;If there is damage to the rapid connector,replace the complete right pipe.3. Undo the bolts (3a) and remove the right fuel manifold pipe (3b)complete with injectors (3c).2067879
pressure pump electric control
1060G10
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025534-5530B10battery - r+r1. Undo collar (1a) and remove the sleeve (1b) from air cleanerto flow meter.2. Disconnect the air flow meter from the underlying sleeve.3. Disconnect the electrical connection from the air flow meter.4. Remove the air flow meter.2002316
1060G14
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025534-5530B10battery - r+rDisconnect the battery negative terminal. 1. Disconnect the water temperature sensor electrical connection.2. Undo the thermostat water temperatur sensor and remove.2002317
1060G16
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negative (-) terminal.3025001-1016A10sound-proofing cover - r + r1. Disconnect the electrical connection from the excess pressuresensor.2. Withdraw the retaining bolt.3. Remove the excess pressure sensor2002318
1060G18
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negative terminal.1. Disconnect the electrical connection from the fuel temperaturesensor.2. Undo and remove the fuel temperature sensor.2002319
1060G20
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Place the car on a ramp.Disconnect the battery negative terminal.3025915-7055B54under-engine guard - r r1. Disconnect the electrical connection for the rpm sensor.2. Undo bolts (2a) and remove rpm and timing sensor (2b).2002320
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Ensure that the ignition key is in theOFF position, then disconnect the negative battery terminal (-). Proceed with removal 3025001-1016A10sound-proofing cover- r + r . 1. Disconnect the electrical connection from the fuel pressure sensoron the fuel manifold.2. Undo and remove the fuel pressure sensor on the fuel manifold.2068090
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negative terminal.1. Disconnect the electrical connection from the switch on the clutchpedal.2. Turn the switch clockwise through 90 degrees and remove.2002322
1060G50
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025001-1016A10sound-proofing cover - r + r1. Loosen band (1a) and disconnect the air delivery sleeve fromheat exchanger to intake manifold.2002323
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025001-1016A10sound-proofing cover - r + r1. Loosen band (1a) and disconnect the air delivery sleeve fromheat exchanger to intake manifold.2002327
1060G58
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213025001-1016A10sound-proofing cover - r + r1. Loosen band (1a) and disconnect the air delivery sleeve fromheat exchanger to intake manifold.2002330
1060G80
<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negative terminal.1. Disconnect the electrical connection from the injection electroniccontrol unit.2. Undo the retaining nuts.3. Remove the engine control unit from its seat on the strut.2002332
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