Relay LAMBORGHINI GALLARDO 2009 Workshop Manual

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Remove the engine wiring harness. •Disassemble the bench (086803).
• Disassemble the right side member cover (086803).
• Disassemble the right B pillar cover (086803).
21. Disconnect the E-gear control unit connectors ( A-Fig.17) and loosen the corresponding earth ( %)LJ). Only
for vehicles equipped with an E-gear system.
22. Disconnect the connections of the 4 relays ( C-Fig.17) connected to the main electrical system.
23. Detach the 2 fuse blocks ( ')LJ) from the corresponding support.
24. Loosen the 2 screws ( ()LJ) securing the relay support ( F-Fig.17) to the chassis.
25 . Disconnect the 7 relays on the support ( F-Fig.17).
1- Blue 643 main relay.
2- Gray 643 secondary air pump relay.
3- Purple 373 +50 1 relay.
4- Red 373 +50 2 relay.
5- Orange 643 secondary air pump 1 relay.
6- Green 643 engine relay.
7- White 179 E-gear pump relay (only on vehicles equipped with an E-gear system).
8- Blank.
9- Blank.
26. Disconnect the 3 fuses on the relay support ( F-Fig.17).
A- Black - 50A secondary air pump 1.
B- Brown - 40A fuel pump supply.
C- Blank.
D- Red - 50 A secondary air pump 2.

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,13876$1'2873876Snssply 1
Snssply 2
Gear pos
Shift pos
Hyd pos
Clutch pos
Key pos Brake 5V External Sensor Power Supply
K130 and KL15
5V Power Supply
Analog Input
Tachin
Clutch Speed Frequency Inputs
Handbrake
External Temp paddels
MMI Switch Input From Can PWTCANPump Relay
Cranking relay
Input FromCan Clutch EV0
EV1 EV2 EV3
Input FromCan
TCU

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When the driver door is opened and the car is sleeping starts theZDNHXSphase. In this phase the TCU is partially
switched on, and if the hydraulic pressure is lower than a limit the pump is activated for maximum 4 seconds.
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In the car there’s a relay that releases the cranking. This relay is controlled by E-Gear TCU.
The cranking is only released if the brake is pushed and not paddles an R switch pushed.
The cranking can be done also with a gear engaged. The system will engage the neutral before release the cranking. 3LFNXS
The pick up is related to the gas pedal position and how it’s pushed.
To perform good pick up is important to keep constant the gas pedal.
During pick up is calculated the clutch wear index, if the engine and clutch temperatures are in a range.
7R$YRLGSLFNXSZLWKEUDNHSXVKHGWKHV\VWHPFRQWUROVWKH&OXWFKWRUTXHWRD¿[HGYDOXH 'ULYDELOLW\0RGHV • Normal Mode , Sport Mode, Corsa Mode: the gearshifts are performed by the driver, with steering paddles,
better keeping constant the gas pedal. The gearshift speed and comfort quality depend on the gas pedal posi-
tion and engine speed.
• Automatic Mode and Automatic Sport Mode: the gearshift are performed directly from the E-Gear TCU, that
decides when to perform them according to the gas pedal position and vehicle speed.
• Underspeed: in order to avoid engine stalling if the driver doesn’t require any DW, E-Gear TCU perform itself
them when the engine speed becomes too low.
• Overspeed: in order to avoid engine limiter intervention the automatic gearshift is done when the maximum
engine speed is reached. This Function is not available in CORSA Mode.

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iminary operations
• Remove the passenger side footboard (080103).
• Disassemble the passenger side lower dashboard assembly (086803).
• Remove the main fuse box (098103).
• Remove the ZKE control unit (098103).
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Ensure that the ignition key is in the OFF position and disconnect the battery (091500).
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1. Remove the 4 relays ( A-Fig.1 ¿WWHGRQWKH,/0FRQWUROXQLW
2.  'LVFRQQHFWWKH,/0FRQWUROXQLWFRQQHFWLRQV B-Fig.1).
3. Unscrew the 3 bolts ( C-Fig.1) securing the support bracket ( D-Fig.1).
4.  5HPRYHWKHHQWLUHVXSSRUWLQFOXGLQJEUDFNHWDQG,/0FRQWUROXQLW

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8. Fasten the entire support, including bracket and control unit, on the chassis.
9. Connect the 3 connectors ( B-Fig.1) to the control unit.
10. Put the 4 relays ( A-Fig.1) on the control unit.
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• Reconnect the ZKE control unit (098105).
• Reconnect the main fuse box (098105).
• $VVHPEOHWKHSDVVHQJHUVLGHORZHUGDVKERDUGDVVHPEO\ (086805).
• $VVHPEOHWKHSDVVHQJHUVLGHIRRWERDUG (080105).
• Reconnect the battery (091505).

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H)3ROOHQ¿OWHUV disassembly
3UHOLPLQDU\RSHUDWLRQV • Remove the passenger side footboard (080103).
• Disassemble the passenger side lower dashboard assembly (086803).
• Remove the main fuse box (098103).
• Remove the ZKE control unit (098103).
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Ensure that the ignition key is in the OFF position and disconnect the battery (091500).
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1. Remove the 4 relays ( $)LJ ¿WWHGRQWKH,/0FRQWUROXQLW
2. Disconnect the 3 ILM control unit connections ( %)LJ).
3. Unscrew the 3 bolts ( &)LJ) securing the support bracket ( ')LJ).
4. Remove the entire support, including bracket and ILM control unit.

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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.
5HOD\IXVHVXSSRUWSRVLWLRQV )LJ
1. Maxi fuse box
2. Main fuse box
3. Main relay box
4. Engine relay support
5. Engine fuse support

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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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% Black 0 A ENGINE 0

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Pos. Base Colour Code351U
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
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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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Location of front control units (Fig.1)
A.
ZKE control unit
B. ILM control unit
C. Main relay
(C1 )and fuse box(C2 )
D. GFA control unit
E. AIRBAG control unit
F. Indicator switch
G. TPMS control unit

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