2009 LAMBORGHINI GALLARDO sensor
[x] Cancel search: sensorPage 333 of 1659
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Fig.1
D
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E
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® Automobili Lamborghini S.p.A.
7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
/ D P E R U J K L Q L 6 S $ E D V H G R Q F R S \ U L J K W O D Z $ O O R I W K H 3 ' ) F K D S W H U V L Q W K H : ( % Z R U N V K R S P D Q X D O V G H V F U L E H G E H O R Z D U H E D V H G R Q L Q I R U P D W L R Q D Y D L O D E O H D W W K H W L P H R I S X E O L F D W L R Q 7 K H F R P S D Q \ U H V H U Y H V
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
Z U L W W H Q D X W K R U L ] D W L R Q I U R P $ X W R P R E L O L / D P E R U J K L Q L 6 S $
7 K H S U H V H Q W V H F W L R Q F R Q W D L Q V W K H I R O O R Z L Q J D V V H P E O \ V H T X H Q F H V
A. Floats and fuel pump assembly
% I X H O ¿ O W H U D V V H P E O \
A. Floats and fuel pump assembly
/ ( ) 7 7 $ 1 .
1.
Connect the fuel level sensor connector ( A-Fig.1 W R W K H À R D W B-Fig.1).
2. 3 X W W K H À R D W V % & ) L J L Q V L G H W K H L U J X L G H V L Q W K H I X H O W D Q N D Q G S U H V V W K H P G R Z Q Z D U G V X Q W L O \ R X K H D U D F O L F N
3. Connect the fuel tubes ( D-Fig.1 D Q G W K H F R Q Q H F W R U V E-Fig.1).
Page 335 of 1659
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L714 01 27 05
Fig.5
D
EE
F
Fig.4
C
B
A
® Automobili Lamborghini S.p.A.
7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
/ D P E R U J K L Q L 6 S $ E D V H G R Q F R S \ U L J K W O D Z $ O O R I W K H 3 ' ) F K D S W H U V L Q W K H : ( % Z R U N V K R S P D Q X D O V G H V F U L E H G E H O R Z D U H E D V H G R Q L Q I R U P D W L R Q D Y D L O D E O H D W W K H W L P H R I S X E O L F D W L R Q 7 K H F R P S D Q \ U H V H U Y H V
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
Z U L W W H Q D X W K R U L ] D W L R Q I U R P $ X W R P R E L O L / D P E R U J K L Q L 6 S $
5 , * + 7 7 $ 1 .
1.
Connect the fuel level sensor connector ( A-Fig.4 W R W K H À R D W B-Fig.4).
2. 3 X W W K H À R D W V % & ) L J L Q V L G H W K H L U J X L G H V L Q W K H I X H O W D Q N D Q G S U H V V W K H P G R Z Q Z D U G V X Q W L O \ R X K H D U D F O L F N
3. 3 R V L W L R Q W K H I X H O S X P S D-Fig.5 L Q V L G H W K H W D Q N
4. 6 H F X U H W K H S X P S E \ W X U Q L Q J W K H W Z R F O D P S V E-Fig.5).
5. Connect the tube ( F-Fig.5 W R W K H I X H O S X P S
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![LAMBORGHINI GALLARDO 2009 Workshop Manual 1
L714 01 28 00
Fig.1
A
A
B
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L714 01 28 00
Fig.1
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B
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L714 01 28 00
Fig.1
A
A
B
® Automobili Lamborghini S.p.A.
/ H S U R F H G X U H H O H L Q I R U P D ] L R Q L S X E E O L F D W H G L V H J X L W R V R Q R V W U H W W D P H Q W H F R Q ¿ G H Q ] L D O L H U L Y R O W H H V F O X V L Y D P H Q W H D O O D 5 H W H ' H D O H U H 6 H U Y L F H 3 R L Q W $ X W R U L ] ] D W L / D P E R U J K L Q L 7 X W W L L G L U L W W L G ¶ D X W R U H V R Q R S U R S U L H W j
G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $ L Q E D V H D O O D O H J J H V X L G L U L W W L G ¶ D X W R U H 7 X W W L L F D S L W R O L 3 ' ) G L F X L V L F R P S R Q J R Q R L P D Q X D O L R I ¿ F L Q D : ( % G H V F U L W W L G L V H J X L W R V L E D V D Q R V X O O H L Q I R U P D ] L R Q L G L V S R Q L E L O L D O
P R P H Q W R G H O O D S X E E O L F D ] L R Q H & R Q U L V H U Y D G L D J J L R U Q D P H Q W R H P R G L ¿ F K H 6 R Q R Y L H W D W H O D U L V W D P S D O D U L S U R G X ] L R Q H O ¶ L Q R O W U R D S H U V R Q H Q R Q D X W R U L ] ] D W H H R D W H U ] H S H U V R Q H O D W U D G X ] L R Q H D Q F K H S D U ] L D O H
V H Q ] D O ¶ D X W R U L ] ] D ] L R Q H V F U L W W D G D S D U W H G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $
* H Q H U D O G H V F U L S W L R Q R I W K H G L U H F W L Q M H F W L R Q V \ V W H P ' , 6
The
G L U H F W L Q M H F W L R Q V \ V W H P ' , 6 is comparable to the running of an indirect injection engine. The basic difference
is that in this case, the fuel is injected directly into the cylinder.
This system better optimizes the amount of fuel to be injected, so consumption – and consequently emissions – are reduced. Characteristics of the system • A low pressure pump having an operation range between 6 and 4 bar,
• 7 Z R L Q W D N H P D Q L I R O G V H T X L S S H G Z L W K W Z R D L U À R Z P H W H U V W K D W P H D V X U H W K H À R Z D Q G W H P S H U D W X U H R I W K H D V S L U D W H G
air (one per manifold),
• Two high pressure pumps mechanically driven by the motion of the engine can reach a pressure varying
between E D U 0 , 1 D Q G E D U 0 $ ; .
• High pressure injectors that directly inject the fuel into the cylinder crown.
• A special piston that allows a vortex to be created, inside of which the fuel vaporized at high pressure is
sprayed.
The system is designed for the following types of operation: • V W R L F K L R P H W U L F V W U D W L ¿ H G P L [ W X U H
• homogeneous mixture,
• homogeneous and rich mixture.
, Q R X U V S H F L ¿ F F D V H homogeneous operation is used:
I U R P W R U S P L Q V W R L F K L R P H W U L F V W U D W L ¿ H G P L [ W X U H H V S H F L D O O \ D W O R Z V S H H G V D Q G G X U L Q J W K H L J Q L W L R Q S K D V H V W R
help with emissions.Homogenous and rich running is used only when there is a demand for torque.
When running at low speeds, the injection system is further aided by a tumble system inside the intake manifold that
helps the vortex created by the design of the piston, ensuring that the quantity of injected fuel goes directly beneath the spark plug. In this way the mixture is optimized with a lower quantity of fuel.
The injection of fuel during the compression phase of the cylinder is managed electronically by two injection control
units, of which one works as the MASTER and the other as the SLAVE .
The injection system is controlled by two linear oxygen sensors that alter the amount of fuel according to the demand
of torque and engine rpm. There are also two latest generation three-way pre-catalytic converters ( A-Fig.1) (with two
oxygen sensors for their control) and two post-catalytic converters incorporated inside the silencer ( B-Fig.1).
Page 342 of 1659
![LAMBORGHINI GALLARDO 2009 Workshop Manual 5
L714 01 28 00
Fig.6
AB
Fig.7
B
B
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L714 01 28 00
Fig.6
AB
Fig.7
B
B
A
A
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/ H S U R F H G X U H H O H L Q I R U P D ] L R Q L S X E E O L F D W H G L V H J X L W R V R Q R V")
5
L714 01 28 00
Fig.6
AB
Fig.7
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A
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/ H S U R F H G X U H H O H L Q I R U P D ] L R Q L S X E E O L F D W H G L V H J X L W R V R Q R V W U H W W D P H Q W H F R Q ¿ G H Q ] L D O L H U L Y R O W H H V F O X V L Y D P H Q W H D O O D 5 H W H ' H D O H U H 6 H U Y L F H 3 R L Q W $ X W R U L ] ] D W L / D P E R U J K L Q L 7 X W W L L G L U L W W L G ¶ D X W R U H V R Q R S U R S U L H W j
G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $ L Q E D V H D O O D O H J J H V X L G L U L W W L G ¶ D X W R U H 7 X W W L L F D S L W R O L 3 ' ) G L F X L V L F R P S R Q J R Q R L P D Q X D O L R I ¿ F L Q D : ( % G H V F U L W W L G L V H J X L W R V L E D V D Q R V X O O H L Q I R U P D ] L R Q L G L V S R Q L E L O L D O
P R P H Q W R G H O O D S X E E O L F D ] L R Q H & R Q U L V H U Y D G L D J J L R U Q D P H Q W R H P R G L ¿ F K H 6 R Q R Y L H W D W H O D U L V W D P S D O D U L S U R G X ] L R Q H O ¶ L Q R O W U R D S H U V R Q H Q R Q D X W R U L ] ] D W H H R D W H U ] H S H U V R Q H O D W U D G X ] L R Q H D Q F K H S D U ] L D O H
V H Q ] D O ¶ D X W R U L ] ] D ] L R Q H V F U L W W D G D S D U W H G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $
Fuel pump
There is only one electric fuel pump (
A-Fig.6) and it is in the right tank. This pump is controlled by an ECU ( B-Fig.6)
which in turn is controlled by the master control unit.
The pump has an operating pressure ranging between 4 and 6 bar, depending on the various operating conditions
of the vehicle.
The pump sends the fuel to the two high pressure pumps (which are mechanical) that compress the fuel and take the pressure to a value varying from 120 to 140 bar, according to vehicle operation.
Both the high and low pressure pumps are monitored by two sensors installed on the respective lines to prevent overpressure problems. Linear phase transformers
Linear phase transformers allow the engine phase to vary according to the torque required in order to always have optimum phasing.
In this version they are always enabled, and the phasing follows different maps according to the load and the atmospheric conditions. Piloting is performed by a solenoid valve ( A-Fig.7), which makes the oil pass inside the phase-changing gear.
This operation is managed by the injection control units that also receive the position of the camshaft through the
Hall effect sensors ( B-Fig.7) mounted on the camshafts:
• two sensors for the exhaust (one per cylinder bank)
• two sensors for the intake (one per cylinder bank)
Page 343 of 1659
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L714 01 28 00
Fig.8
® Automobili Lamborghini S.p.A. / H S U R F H G X U H H O H L Q I R U P D ] L R Q L S X E E O L F D W H G L V H J X L W R V R Q R V W U H W W D P H Q](/manual-img/62/57186/w960_57186-342.png "LAMBORGHINI GALLARDO 2009 Workshop Manual 6
L714 01 28 00
Fig.8
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6
L714 01 28 00
Fig.8
® Automobili Lamborghini S.p.A. / H S U R F H G X U H H O H L Q I R U P D ] L R Q L S X E E O L F D W H G L V H J X L W R V R Q R V W U H W W D P H Q W H F R Q ¿ G H Q ] L D O L H U L Y R O W H H V F O X V L Y D P H Q W H D O O D 5 H W H ' H D O H U H 6 H U Y L F H 3 R L Q W $ X W R U L ] ] D W L / D P E R U J K L Q L 7 X W W L L G L U L W W L G ¶ D X W R U H V R Q R S U R S U L H W j
G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $ L Q E D V H D O O D O H J J H V X L G L U L W W L G ¶ D X W R U H 7 X W W L L F D S L W R O L 3 ' ) G L F X L V L F R P S R Q J R Q R L P D Q X D O L R I ¿ F L Q D : ( % G H V F U L W W L G L V H J X L W R V L E D V D Q R V X O O H L Q I R U P D ] L R Q L G L V S R Q L E L O L D O
P R P H Q W R G H O O D S X E E O L F D ] L R Q H & R Q U L V H U Y D G L D J J L R U Q D P H Q W R H P R G L ¿ F K H 6 R Q R Y L H W D W H O D U L V W D P S D O D U L S U R G X ] L R Q H O ¶ L Q R O W U R D S H U V R Q H Q R Q D X W R U L ] ] D W H H R D W H U ] H S H U V R Q H O D W U D G X ] L R Q H D Q F K H S D U ] L D O H
V H Q ] D O ¶ D X W R U L ] ] D ] L R Q H V F U L W W D G D S D U W H G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $
0 L V ¿ U L Q J
7 R S U R F H V V G D W D W K H P L V ¿ U L Q J V \ V W H P Q R O R Q J H U X V H V W K H S U H V V X U H V H Q V R U V O L N H 0 < • W K H V \ V W H P G L U H F W O \ G H W H F W V P L V ¿ U L Q J E \ P H D Q V R I W K H À \ Z K H H O V H Q V R U V L J Q D O & $ / & 8 / $ 7 , 1 * W K H W R U T X H G H O L Y H U H G
W R W K H F D P V K D I W Z H V D \ W K H U H L V D P L V ¿ U H L I W K H D F F H O H U D W L R Q ± K H Q F H W R U T X H ± F K D Q J H V I U R P R Q H V H F W L R Q R I
phonic wheel to the next are different than expected.
There is no map of the expected torque, but the changes of delivered torque are analysed.
Accelerator pedal
The accelerator pedal arrives already factory-set. Once installed, it is the software that adapts it to the range of operation. When it is replaced, the total assembly is supplied. The pedal consists of two sensors that read the position: • W K H ¿ U V W V H Q G V W K H G D W D U H D G W R W K H P D V W H U F R Q W U R O X Q L W
• W K H V H F R Q G F K H F N V R S H U D W L R Q R I W K H ¿ U V W R Q H .
Page 344 of 1659
![LAMBORGHINI GALLARDO 2009 Workshop Manual 7
L714 01 28 00
Fig.7
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O 3
3
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L714 01 28 00
Fig.7
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7
L714 01 28 00
Fig.7
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G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $ L Q E D V H D O O D O H J J H V X L G L U L W W L G ¶ D X W R U H 7 X W W L L F D S L W R O L 3 ' ) G L F X L V L F R P S R Q J R Q R L P D Q X D O L R I ¿ F L Q D : ( % G H V F U L W W L G L V H J X L W R V L E D V D Q R V X O O H L Q I R U P D ] L R Q L G L V S R Q L E L O L D O
P R P H Q W R G H O O D S X E E O L F D ] L R Q H & R Q U L V H U Y D G L D J J L R U Q D P H Q W R H P R G L ¿ F K H 6 R Q R Y L H W D W H O D U L V W D P S D O D U L S U R G X ] L R Q H O ¶ L Q R O W U R D S H U V R Q H Q R Q D X W R U L ] ] D W H H R D W H U ] H S H U V R Q H O D W U D G X ] L R Q H D Q F K H S D U ] L D O H
V H Q ] D O ¶ D X W R U L ] ] D ] L R Q H V F U L W W D G D S D U W H G L $ X W R P R E L O L / D P E R U J K L Q L 6 S $
Sensor
A
Speed sensor
B * H D U V S R V L W L R Q V H Q V R U V
C Secondary air pressure sensors
' Low fuel pressure sensor output
( Wiv pressure sensor output
F Oil pressure sensor output
G CAM sensors output
H Exhaust phase sensors output
, Intake phase sensors output
L Coolant temperature sensor output
M Air temperature sensor
1 A/C sensor
O Clutch pump sensor
3 $ , 5 % $ * V H Q V R U V
Q Coolant level sensor
5 Oil level and temperature sensor
Page 363 of 1659
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L714 01 29 00
Fig.2
® Automobili Lamborghini S.p.A. 7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
/ D P E R U J K L Q L 6 S $ E D V H G R Q F R S \ U L J K W O D Z $ O O R I W K H 3 ' ) F K D S W H U V L Q W K H : ( % Z R U N V K R S P D Q X D O V G H V F U L E H G E H O R Z D U H E D V H G R Q L Q I R U P D W L R Q D Y D L O D E O H D W W K H W L P H R I S X E O L F D W L R Q 7 K H F R P S D Q \ U H V H U Y H V
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
Z U L W W H Q D X W K R U L ] D W L R Q I U R P $ X W R P R E L O L / D P E R U J K L Q L 6 S $
Tumble system
The tumble system is made up of diaphragms commanded according to the characteristic diagram of the engine,
and are used to restrict emissions. The diaphragms are closed (so the valve is disabled) at low speed and low load.There are two operation speeds depending on the water temperature.
7 K H P D V V R I D V S L U D W H G D L U À R Z V W K U R X J K W K H X S S H U V H F W L R Q R I W K H L Q W D N H G X F W F U H D W L Q J D U R W D U \ P R Y H P H Q W L Q W K H
cylinder.
The intake manifold diaphragms are opened, releasing the entire section of the duct when power is demanded of
the engine. All diaphragms of a cylinder bank are fastened to a common camshaft.
The position of the intake manifold diaphragms for each cylinder bank is checked by the Hall sensors which, in the
event of incorrect reading, send the information to the ECU that turns on the engine malfunction warning light. This information can be seen using the LaRa-AS .
The intake manifold diaphragms are enabled by a cylinder bank vacuum positioner in the engine for high rotation
speeds. Feedback of the position of the diaphragms is provided in this case as well, through the Hall sensors. In
the case of malfunctioning, they send the information to the ECU. Also in this case the errors can be read using the LaRa-AS .
The system is in stand-by (therefore enabled) with the engine cold, TH2O < 60°C, and with a torque demand
< 40% beneath 2000 rpm.
The system is operating (therefore disabled) with the engine hot, TH2O > 60°C, and with a torque demand < 40%
beneath 3000 rpm. The activation solenoid valve for the vacuum system is underneath the intake manifold: • it is enabled when the intake manifold is closed
• it is disabled when the intake manifold is open
6 R O H Q R L G Y D O Y H Tumble rpm Torque TH2O
Off On 0÷2000 rpm < 40% < 60°C
Off On 0÷3000 rpm < 40% > 60°C
On Off over 2000 rpm > 40% < 60°C
On Off over 3000 rpm > 40% > 60°C
Malfunctioning is detected by the LaRa-AS system and can be caused by a lack of vacuum
(therefore, leakage in the circuit) or in the two position detection sensors.
Page 378 of 1659
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