engine LAMBORGHINI GALLARDO 2009 Workshop Manual

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&RQQHFWWKHSRVLWLYHSROHVWRWKHSRVLWLYHFDEOH UHG  •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).
&RQQHFWWKHQHJDWLYHSROHVWRWKHQHJDWLYHFDEOH EODFN  • 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.
1RWH
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
FRQQHFWLRQ¿UVWDQGWKHQWKHSRVLWLYH 
• Carry out the following operations:Resynchronization of second remote control Resynchronization of steering angle Resynchronization of power window zero position

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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
% Junction
C. Starter
• 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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The electronic control unit governs and activates the various airbag modules and is secured to the car’s tunnel under the console (Fig.1).
The control unit is connected to:• front airbags (driver side airbag module and passenger side airbag module)
• LH and RH side airbags
• LH and RH seatbelt pretensioners
• LH and RH side impact sensors
On the inside, the control unit has: • an electromechanical sensor which discriminates the “activation/deactivation” conditions according to the
vehicle’s longitudinal deceleration;
• an electromagnetic safety sensor operating with the electromechanical sensor; both sensors must enable the
“activation” condition for the system to be deployed;
The electronic control unit analyzes the signals coming from the internal and external sensors (side impact) and,
based on appropriate strategies (which consider the impact’s force and angle), normally activates: • In the case of frontal impact : the driver side airbag module, the passenger side airbag module and the two
seatbelt pretensioners.
• In the case of side impact : the side airbag and the seatbelt pretensioner on the side of the impact.
The control unit has a self-diagnostic feature that checks the entire system’s operation when the ignition key is turned
to “ON”. During the test a red warning light on the dashboard turns on. The warning light turns off approximately four
seconds after the engine is started if the system is working correctly.

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% 'LVDVVHPEOLQJWKHSRVLWLYHEDWWHU\FDEOHUHDUSDUW 3UHOLPLQDU\RSHUDWLRQV •Disconnect the battery (091500).
•  'LVDVVHPEOLQJWKHUHDUÀDWÀRRU (082503).
• Disassembling the aesthetic panels (Engine Bay) (081303).
•  'LVDVVHPEOLQJWKHDLU¿OWHU (013303).
'LVDVVHPEOLQJWKHSRVLWLYHEDWWHU\FDEOHUHDUSDUW 1. Open the positive battery cable shunt box ( $)LJ) located on the rear right part of the vehicle.
2. Disconnect the positive battery cable ( %)LJ) from the rear shunt box ( $)LJ).

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7.Connect the positive battery cable ( /)LJ12) from the rear shunt box ( 0)LJ13).
8. Close the shunt box ( 0)LJ13).
• $VVHPEOLQJWKHUHDUÀDWÀRRU (082505).
•  $VVHPEOLQJWKHDLU¿OWHU (013305).
• Assembling the aesthetic panels (Engine Bay) (081305).
• Connect the battery (091500)

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•Disconnect the ground cable from the battery’s negative terminal before removing electronic components.
• Always use adequate measuring equipment to carry out electrical measurements on electronic components.
• Make sure that electronic device cables (length, type of conductor, positioning, clamping, shielding continuity
where required, grounding, etc.) are correct for the system and carefully restored to the original condition after service.
• Never insert or remove the connector from the electronic control units while powered.
• In case of temperatures over 80°C (drying ovens) remove the electronic control units.
• When making connections, tighten the connector nuts (temperature, pressure sensors, etc.) to the prescribed
torque ( 000800).
• Electronic control unit measuring at plugs, plug connections and electrical connections of components is to be
carried out only using the appropriate equipment. Never use improper tools such as metal wires, screwdrivers,
clips or suchlike. Besides the danger of short circuits, these methods could damage the plug connections and subsequently cause contact problems.
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1. Maxi fuse box
2. Main fuse box
3. Main relay box
4. Engine relay support
5. Engine fuse support

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3RVValue Function 3RZHU
1.200 A Maxi fuse box 30
2. 50 A A/C Fan – Seat Heating 30
3. 80 A Water Radiator Fans 30
4. 50 A Key, ILM(Lights), +75 30
5. 6. 7. 50 A Main fuse box 30
8. 60 A ESP 30
9. 100 A Engine/Gearbox 30
10. - Power windows, seats, lifting 30

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Pos. Base Colour Code ID Number PR-Nr. Description
1. 2.Gray 141 951 253 B 53 Lifting system relay
3. Black 8Z0 951 253 395 Vacuum pump
3.1.
4. Black 8Z0 951 253 395 +75 relay
4.1. Black 8Z0 951 253 395 Horns relay
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3RV Fuse carrier colour Value 351U 3RZHU
ARed 40 A ECU ESP 30
% Black 0 A ENGINE 0

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ID Number 'HVFULSWLRQ
1.
Blue 8K0 951 253 643 Main relay
2. Gray 8K0 951 253 643 Secondary air pump relay 2
3. Purple 8D0 951 253 A 373 +50_1 relay
4. Red 8D0 951 253 A 373 +50_2 relay
5. 6. Orange 8K0 951 253 643 Secondary air pump relay 1
7. Green 8K0 951 253 643 Engine relay
8. White 357 927 843 A +G1E 179 E-Gear (SCAM) oil pump
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Value PR-Nr.'HVFULSWLRQ
Power
ABlack
50 A Secondary air pump 1 30
B Brown 40 A Fuel pump supply 87 HR
C D Red 50 A Secondary air pump 2 30
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3RVValue Function 3RZHU
1. 2. 3.15 A Engine Sol. Valve supply MOT_EKP
4.5. 15 A Post-catalytic converter oxygen sensor 87 HR
6. 15 A Pre-catalytic converter oxygen sensor 87 HR
7. 10 A Engine Solenoid Valve supply 87 HR
8. 30 A Coil supply 87 HR
9. 15 A Injector supply 87 HR
10. 5 A Brake pedal switch, clutch sensor 87 HR
11. 5 A Water radiator fans
87 HR
12.
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3RV Value Function 3RZHU
1.10 A E-Gear (+G1E) 15
5 A Reverse switch (+G0X)
2. 5 A Engine Control Units 15
3. 5 A WIV sensor (oil level) 15
4. 5. 6.7. 5 A Engine Control Units 30
8. 30 A E-Gear, oil pump 30
9. 25 A E-Gear 30
10.
11.
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