2009 LAMBORGHINI GALLARDO Workshop Manual

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If the engine does not start because the battery is dead, another car’s battery can be used with cables for emergency starting. &$87,21
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The battery should be replaced if its voltage is below 10V. • Switch off all lights and any other electrical device in the car.
• Remove the panel in the luggage compartment ( A-Fig.1).
• Remove the battery’s positive pole (RED) guard. For the negative pole, secure the clamp onto the lock.
,PSRUWDQW • Use an external battery with an identical voltage (12 Volt) and electrical cables with a section of at least
25 mm 2
and isolated terminals.
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battery from the system.
• Before connecting the battery to the system make sure that the latter is well insulated.
• Wrong polarization of the electronic control units power supply voltage (for example wrong battery
polarization) can cause breakage.

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&RQQHFWWKHSRVLWLYHSROHVWRWKHSRVLWLYHFDEOHUHG •Secure one end to the positive pole  of the dead battery ( A-Fig.2).
• Secure the other end to the positive pole  of the supply battery ( %)LJ).
&RQQHFWWKHQHJDWLYHSROHVWRWKHQHJDWLYHFDEOHEODFN • Secure one end to the negative pole  of the supply battery ( %)LJ).
• Secure the other end to the negative pole  of the supply battery ( A-Fig.2).
Starting the engine • Start the engine of the car that is supplying the current and let it idle.
• Start the engine of the car with the dead battery.
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The battery’s low voltage could require resynchronization of the ignition key before starting. In this case, turn the key to ON and hold the LOCK/UNLOCK buttons down for approximately 30 seconds.
• If the engine does not start immediately, stop starting after 10 seconds and repeat after approximately 30
seconds.
• Leave the engine on and remove the cables in the opposite order described previously (remove the ground
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• Carry out the following operations:Resynchronization of second remote control Resynchronization of steering angle Resynchronization of power window zero position

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The battery’s charge can be roughly determined by measuring the voltage at the ends of its terminals.
Important!
The battery must be at an ambient temperature of approximately 20°C and must not have been used for at
least 1 hour.
• Disconnect all of the battery’s users (some of these cannot be disconnected but their consumption is so low that
it will not affect the measurement).
• Remove the internal panel from the luggage compartment and uncover the positive terminal.
• Using a voltmeter (digital, if possible), measure the voltage between the positive and a sure ground connection
such as the front luggage compartment’s lock. Evaluate the battery’s charge using the following table:
Voltage (V) 12.91 12.80 12.66 12.52 12.38 12.06 12.06 11.90 11.70 11.42
Charge (%) 99 90 80 70 60 50 40 30 20 10
The battery must be replaced if below 11 V.

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7KHEDWWHU\¶VFKDUJHPD\EHGHWHUPLQHGE\FDOFXODWLQJWKHVSHFL¿FGHQVLW\RIWKHHOHFWURO\WH•Ensure that all of the battery’s loads have been disconnected.
• Remove the front luggage compartment tray to access the battery.
• Open the battery’s upper tray.
• Ensure that the electrolyte level covers the elements of each cell. If one or more elements are partially uncovered,
top up with distilled water.
• Using a water gauge ( Fig.2 FKHFN WKH VSHFL¿F GHQVLW\ RI WKH HOHFWURO\WH RI HDFK FHOO EDVHG RQ WKH IROORZLQJ
table, valid if the battery’s temperature is 20° (68°F):
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Important!
Check that the battery is completely charged (if necessary recharge it with a battery charger) and disconnect all of the car’s loads (radio, lights, A/C, etc.), except for those necessary for engine operation.
• Lift the vehicle on the car lift and connect a voltmeter and a 150A or higher ammeter clamp onto the alternator’s
output cable:
Voltmeter “V” and ammeter clamp “A” connection (Fig.4)
A. Battery
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• Start the engine and bring it to 2,000 rpm.
• Using the voltmeter, check that the voltage generated by the alternator falls within the values in the chart
( Fig.5 ).
• Using the ammeter clamp, check that the alternator supplies current. This current might initially be very high
(100A at 2,000 rpm) but then gradually decreases as the battery recharges. The current depends on the engine’s speed ( Fig.6).
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,IWKHYROWDJHLVKLJKHUWKDQQRUPDO •Remove the alternator ( A-Fig.7) and check the voltage regulator, brushes and diodes unit.

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Disassembling the battery 3UHOLPLQDU\RSHUDWLRQV •
Disassemble the luggage compartment tray (080603).
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Turn off the instrument cluster and remove the key from the ignition.
Disassembling the battery
1. Disconnect the 2 terminals ( A-Fig.1) from the battery.
2. Unscrew the 2 screws ( B-Fig.1) that secure the bracket that locks the battery ( C-Fig.1) in place.
3. Remove the battery ( D-Fig.1).

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Assembling the battery 1. Position the battery and secure the bracket ( A-Fig.1) using the 2 screws ( B-Fig.1).
2. Connect the 2 terminals ( C-Fig.1) to the battery ( D-Fig.1).
• Assemble the luggage compartment tray (086805).