engine LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual
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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 $
, 1 & 2 5 5 ( & 7 * ( $ 5
5 $ 7 , 2 3
Rationality check Functional check Driveline speed per
gear ratio / engine speed > 300 rpm and Driveline speed per gear ratio / clutch speed > 300Clutch Gearshift
Vehicle speed Closed not in progress > 12.5 mph0.35 sec ContinuousTwo trips
6 + , ) 7 ( 5 5 2 5 3 Rationality check Functional check Gear engaged is not
the requested oneClutch Gearshift Openin progress , P P H G L D W H O \ContinuousTwo trips
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%
C
'
Fig.5
Fig.6
(
F
® 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 $
8.
' L V S O D \ W K H / D 5 D $ 6 O R J ¿ O H
7 K L V ¿ O H U H S R U W V W K H U H D G L Q J R I F K D Q Q H O F X U U H Q W F O X W F K W K L F N Q H V V % ) L J D Q G F K D Q Q H O W K L F N Q H V V R I D
Q H Z F O X W F K & ) L J
The line ( ' ) L J U H S R U W V W K H G L I I H U H Q F H E H W Z H H Q W K H W Z R Y D O X H V P H Q W L R Q H G D E R Y H W K H G L I I H U H Q F H L Q W K H ¿ J X U H L V
] H U R E H F D X V H W K H F O X W F K L V Q H Z
, 0 3 2 5 7 $ 1 7
7 K H F O X W F K P X V W E H U H S O D F H G Z K H Q W K H Z H D U L V H T X D O W R R U P R U H W K D Q P P
1 R W H
, I F O X W F K Z H D U L V Q R U P D O Z L W K H J H D U R S H U D W L R Q D Q R P D O L H V F K H F N W K H H J H D U V \ V W H P X V L Q J W K H S U R S H U S U R F H -
dure .
, 0 3 2 5 7 $ 1 7
7 K H F O X W F K U H D G L Q J V P X V W E H W D N H Q Z K L O H W K H H Q J L Q H L V F R O G , I W K H \ D U H W D N H Q Z K L O H W K H H Q J L Q H L V K R W the results will not be accurate.
The data regarding engine dragging is read on channel 5 3 0 and channel 3 5 , 0 $ 5 < 6 + $ ) 7 ) L J
, 0 3 2 5 7 $ 1 7
: K H Q W K H V \ V W H P L V L Q Q H X W U D O W K H H Q J L Q H ¶ V V S H H G P X V W Q H Y H U H [ F H H G U S P L I W K L V Y D O X H L V H [ F H H G H G W K H F O X W F K L V G D P D J H G D Q G P X V W E H U H S O D F H G
1 R W HThe test on channels 9
( ) L J and 10 ) ) L J should be carried out while the engine is running.
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5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @ 6 H O I F D O L E U D W H G F O R V H G F O X W F K S R V L W L R Q P P 5 D Z G D W D > @ ======================================================================= ==== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @
Self-calibrated Clutch Slip Position Start (PIS)Delta : 7.63 mm 5 D Z G D W D > ' @ ======================================================================= ==== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @
& O X W F K R Y H U K H D W L Q J W L P H V H F R Q G V 5 D Z G D W D > @======================================================================= ==== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @ & O X W F K S R V L W L R Q F O R V H G D V Z K H Q Q H Z P P 5 D Z G D W D > ) @======================================================================= ==== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @
Torque Driver : 0 % 5 D Z G D W D > @=========================================================================== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @ 1 H X W U D O 6 H O H F W L R Q P $ 5 D Z G D W D > @=========================================================================== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @
Neutral Coupling : 489 5 D Z G D W D > ( @=========================================================================== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @ 2 L O W H P S H U D W X U H ƒ & 5 D Z G D W D > % @=========================================================================== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @ 2 L O / H D N D J H Z L W K ( 9 F O X W F K H Q H U J L ] H G F F P P L Q X W H 5 D Z G D W D > ' @=========================================================================== 5 H D G ' D W D % \ / R F D O , G H Q W L ¿ H U > @ 2 L O / H D N D J H Z L W K ( 9 Q R W H Q H U J L ] H G F F P P L Q X W H 5 D Z G D W D > @
Fig.19
® 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 $
( * H D U
To establish the connection between the control unit and the PC, use the % $ 6 , & ; 6cable D and the
cable for LARA-AS diagnostics interface E .
Permits communication with the E-Gear’s control unit in order to: • Read the type of control unit
• Delete the error codes in the system
• Check the type of automatic channel operations
• Insert software updates
The P H D V X U H P H Q W ¿ O H V available in the E-Gear section are:
$ % O H H G L Q J 0 X U F L H O D J R P \ & D U U L H V R X W D E O H H G F \ F O H R I W K H F O X W F K R I W K H D X W R P D W L F J H D U E R [ S H U P L W V R S H Q L Q J
F O R V L Q J W K U H H W L P H V , I W K H R L O L V V W L O O H P X O V L ¿ H G D I W H U W K H F \ F O H K D V ¿ Q L V K H G U H S H D W W K H R S H U D W L R Q . The
clutch’s opening and closing must be controlled during each of the cycle’s three phases.
1 R W L F H
• 1 H Y H U E O H H G I R U P R U H W K D Q V H F R Q G V Z K L F K F R X O G G D P D J H W K H F O X W F K ¶ V S X P S
% ( J H D U B V Q D S B 0 X U F L H O D J R P \ : Acquires all of the data stored in the gearbox control unit. After reading the initial
G D W D W K H V \ V W H P G L V S O D \ V D V F U H H Q S U H V V 2 . W R F R Q W L Q X H D Q G D W W K H V D P H W L P H V W R U H V W K L V G D W D L Q D ¿ O H L Q V L G H W K H
V \ V W H P 7 K H ¿ O H L V L Q V L G H W K H I R O G H U S U H Y L H Z O R J ¿ O H Z L W K W K H Q D P H / D U D $ 6 H J ) L J .
, I W K H ¿ O H Q H H G V W R E H V W R U H G L Q W K H P H P R U \ L W P X V W E H U H Q D P H G 6 D Y H $ V E H F D X V H W K H V \ V W H P Z L O O R Y H U Z U L W H W K H G D W D L Q W K H / D U D $ V ¿ O H Z K H Q W K H S U R J U D P L V U H V W D U W H G
The most important channels are:
• Channel 9: indicates the engine’s speed (rpm).
• & K D Q Q H O L Q G L F D W H V W K H 3 5 , 0 $ 5 < 6 + $ ) 7
• & K D Q Q H O , Q G L F D W H V W K H F X U U H Q W S R V L W L R Q R I W K H F O X W F K H [ S U H V V H G L Q P P
• & K D Q Q H O , Q G L F D W H V W K H F O X W F K ¶ V S R L Q W R I V O L S S D J H W K H G H I D X O W F D Q E H P R G L ¿ H G X V L Q J D V S H F L D O 6 H U Y L F H 0 D Q D J H U P H D V X U H P H Q W ¿ O H
• & K D Q Q H O , Q G L F D W H V W K H F O X W F K V O L S S D J H W L P H L Q V H F R Q G V R Y H U K H D W L Q J F D Q E H F D O F X O D W H G E D V H G R Q W K L V W L P H
(the higher the value, the greater the clutch wear).
• & K D Q Q H O , Q G L F D W H V W K H L Q L W L D O S R V L W L R Q R I W K H F O X W F K H [ S U H V V H G L Q P P Q H Z F O X W F K
• & K D Q Q H O , Q G L F D W H V W K H G H J U H H R I F O X W F K G H W H U L R U D W L R Q G H W H U L R U D W L R Q V W D U W V D W D Q G J R H V W R
1 R W L F H
• 7 K H G L I I H U H Q F H E H W Z H H Q W K H Y D O X H R I F K D Q Q H O D Q G F K D Q Q H O P X V W Q H Y H U E H P R U H W K D Q P P
• 7 K H F O X W F K P X V W E H F K D Q J H G Z K H Q W K H G H J U H H R I G H W H U L R U D W L R Q L V H T X D O W R
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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 $
+ ( * H D U B 0 X U F L H O D J R B 3 , 6 my09: procedure to optimise the PIS value on Murcielago LP640 E-Gear cars equipped
with SW Y H U V L R Q / & ' 0 0 % F R G H $ .
Conditions required to carry out the test: • H Q J L Q H Z D W H U W H P S H U D W X U H ! ƒ &
• H Q J L Q H R L O W H P S H U D W X U H ! ƒ &
If the conditions are complied with, to determine the correct PIS setting, drive off a number of times with the accelerator pedal at > 80% (always allow a few minutes' break to allow the clutch to cool down). The engine speed must stabilise
D W D Y D O X H E H W Z H H Q ± U S P D Q G W K H U H P X V W Q R W E H D Q \ V Z L Q J V
• , I W K H D F K L H Y H G H Q J L Q H V S H H G L V E H O R Z W K H U H I H U H Q F H Y D O X H ± U S P S U R F H H G E \ V H W W L Q J D 3 , 6 Y D O X H
which is higher than the default value or anyway higher than the value set previously in the control unit and
Z K L F K F D Q E H F K H F N H G Z L W K W K H G L D J Q R V L V W R R O / D 5 D R Q F K D Q Q H O R I W K H ( J H D U
• , I W K H D F K L H Y H G H Q J L Q H V S H H G L V D E R Y H W K H U H I H U H Q F H Y D O X H ± U S P S U R F H H G E \ V H W W L Q J D 3 , 6 Y D O X H
which is higher than the default value or anyway higher than the value set previously in the control unit and
which can be check H G Z L W K W K H G L D J Q R V L V W R R O / D 5 D R Q F K D Q Q H O R I W K H ( J H D U
, Q F U H D V L Q J R U G H F U H D V L Q J W K H 3 , 6 Y D O X H P R G L ¿ H V W K H S R L Q W D W Z K L F K W K H V \ V W H P D W W U L E X W H V S U D F W L F D O O \ Q X O O W U D Q V P L V V L Y L W \
therefore, by increasing this value the clutch has more "slippage", making clutch closure "smoother" and increasing
the pickup speed; by decreasing this value, the clutch has less "slippage", making clutch closure "sharper" and
decreasing the pickup speed.
$ I W H U P R G L I \ L Q J W K H 3 , 6 Y D O X H Z L W K W K H G L D J Q R V L V W R R O W R P D N H W K H P R G L ¿ F D W L R Q V H I I H F W L Y H V Z L W F K R I I W K H F R Q W U R O X Q L W
I R U D W O H D V W V H F R Q G V W K H Q V W D U W W K H H Q J L Q H D Q G F D U U \ R X W D Q X P E H U R I S L F N X S V D W O H D V W X V L Q J W K H D F F H O H U D W R U S H G D O D W W R D O O R Z D G M X V W P H Q W W R W K H Q H Z V H O I F D O L E U D W L R Q S D U D P H W H U V L Q V L G H W K H F R Q W U R O X Q L W , ' H J U ) U L ]
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Fig.23
® 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 $
6 F D Q 7 R R O 2 % ' , ,
International system for reading error parameters coming from the engine and relative reset.
These codes are divided into groups and can be selected using the select key ) L J
To establish the connection between the control unit and the PC, use the following % $ 6 , & ; 6cable D
and the cable for LARA-AS diagnostics interface E .
Page 1136 of 1173
L824 10 91 14
Fig.4
' (F
*
® 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 $
The % $ 6 ( / 3 B 0 < screen (Fig.4) shows the system’s essential parameters.
7 K H Y D O X H V V K R Z Q L Q W K H ¿ U V W F R O X P Q ' ) L J U H I H U W R F \ O L Q G H U E D Q N Z K H U H D V W K H Y D O X H V U H S R U W H G L Q W K H V H F R Q G F R O X P Q ( ) L J U H I H U W R F \ O L Q G H U E D Q N
Rpm Engine speed
MAP Air intake manifold pressure
PA1024 Accelerator pedal opening percentage
TH2o Wate
r temperature
EngineSync 1 indicates synchronism OK (the system is correctly synchronized); if it is not synchronized, W K H Y D O X H L V E \ V \ Q F K U R Q L V P Z H P H D Q W K H F R U U H F W F R U U H O D W L R Q E H W Z H H Q W K H À \ Z K H H O V L J Q D O V
(smot) and the camshaft signals (s cam); if everything is OK, synchronism is equal to 1, if a
correlation is missing or a signal is lost, the sync goes to 0)
TOil Oil temperature
ILIOS_lambda Mixture strength at which the engine runs Linear oxygen sensors are used. Based on the system’s target (rpm/engine load), it sets the correct stoichiometrical ratio and consequently
adjusts the injection system.
TAir Air temperature
TCat Catalytic converter temperature 7 K H W K L U G F R O X P Q ) ) L J V K R Z V W K H Y D O X H V F R P P R Q W R E R W K F \ O L Q G H U E D Q N V
EcuOnDec Control unit start timeIdleMapComp
Automatic MAP compensation (the system signals an error for variations above 4.5%)
PBaro Barometric pressure: Indicates the current altitude, which affects the injection time.
IdleStatus
Parameter that indicates the vehicle’s current condition (idle speed)
PFuel Fuel pressure (reading with negative values)
IJTgStatus Lamborghini parameter
WConfOut Lamborghini parameter
POil Oil pressure
SAEnd Engine spark advance
7 K H Z L Q G R Z * ) L J V K R Z V D Q \ H U U R U V I R X Q G L Q W K H V \ V W H P ¶ V E D V L F S D U D P H W H U V
Page 1137 of 1173
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Fig.5
® 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 $
The & + ( & . / , 6 7 1 B / 3 B 0 < screen (Fig.5) shows all of the operation parameters for the system’s various
functions for controlling the engine:
5 S P : Engine speed
( F X 2 Q ' H F ECU operation time starting when the key is turned to ON (cylinder bank 1)
( F X 2 Q ' H F ECU operation time starting when the key is turned to ON (cylinder bank 2)
$ Y Y 0 6 H F Engine cranking time
& U D Q N 3 K D V H Fuel enrichment during cranking meter (goes from 0 to 255 and stops)
. 7 - & N 3 K V 7 + R Fuel enrichment meter percentage during phase 1 according to water temperature
7 - ( Q G Final engine injection time, cylinder banks 1 and 2
9 % D W W Battery voltage (must be between 11 and 15 Volts)
3 X U J H V R O H Q R L G P D Q D J H P H Q W W K H Y D O X H R I W K H V H S D U D P H W H U V P X V W Q R W Y D U \ P R U H W K D Q
3 * 5 H T X H V W Purge solenoid opening percentage requested by system
3 X U J H B $ F W X D O ' X W \ Purge solenoid opening percentage based on the system’s request (maximum 99%)
3 X U J H B 7 S Estimated fuel density in the air arriving from the purge solenoid; the higher the value, the more fuel
arrives from the canister. Maximum acceptable value: 0.065 (beyond this value the canister is considered full and
there is probably an engine malfunction)
3 X U J H B 4 % & 3 X U J H Estimated fuel vapor mass arriving from purge solenoid toward engine
3 I X H O Fuel pressure inside tank (must be negative)
6 $ ( Q G Final spark advance, cylinder bank 1 and 2
( Q J L Q H V \ V W H P
( Q J L Q H 6 \ Q F 1 indicates synchronism OK (the system is correctly synchronized); if it is not synchronized, the
Y D O X H L V E \ V \ Q F K U R Q L V P Z H P H D Q W K H F R U U H F W F R U U H O D W L R Q E H W Z H H Q W K H À \ Z K H H O V L J Q D O V V P R W D Q G W K H F D P V K D I W
signals (s cam); if everything is OK, synchronism is equal to 1, if a correlation is missing or a signal is lost, the sync goes to 0)
9 9 & R Q I 2 X W Determines the types of accessories activated at that moment, e.g. VVT, ECS, etc. (*)
0 D S Intake manifold pressure
3 % D U R Barometric pressure (GFA altitude pressure)
7 D L U Air temperature in intake manifold
, G O H 0 D S & R P S Automatic MAP compensation (the system signals an error for variations above 4.5%)
Page 1138 of 1173
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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 $
, G O H 6 W D W X V 0 D Q D J H P H Q W
, G H / H D U Q 7 $ D Q G , G H 2 I I 6 H W 6 / Two idle speed throttle opening percentages (self-learning of idle speed) that
change according to the idle speed every 3 seconds.
, G O H 6 H O I / H D U Q L Q J 7 L P H U When the engine is at idle speed, the counter goes from 0 to 3 seconds, adjusting the
IdeLearnTA and IdeOffSet to maintain the target speed and rpm, properly setting the throttle. Ends when self-
O H D U Q L Q J K D V ¿ Q L V K H G Z K H Q W K H 6 / 7 L P H ¶ V V H F R Q G V D U H X S , G O H 6 W D W X V When the engine is at idle speed, this counter starts at 4.
, G O H 5 3 0 7 D U J H W Target RTM requested by the system (rpm)
, G O H 5 3 0 ( U U R U During status 4 (idle) this error must not exceed 100 rpm with respect to the target.
, G O H 5 7 $ Current throttle opening percentage at idle speed
, G O H 5 7 $ ' L I I Lamborghini parameter
, G O H 1 H Z 5 7 $ New throttle opening percentage required by the system when self-learning ends at idle speed
, G O H 5 7 $ ) H H G ) Z G Lamborghini parameter
, G O H 5 7 $ & $ 1 & O L P D Opening offset at idle speed for A/C
, G O H 6 $ Current spark advance at idle speed
, G O H 6 $ ) H H G ) Z G Lamborghini parameter
, G O H 6 $ 3 , ' 7 H U P Lamborghini parameter
, G O H 1 H Z 6 $ New spark advance required by the system when self-learning ends at idle speed
3 H G D O , Q S X W 0 D Q D J H P H Q W
3 $ Accelerator pedal signal input in bits
3 $ Accelerator pedal opening percentage in degrees
' % : & R U U H F W L R Q 0 D Q D J H P H Q W
5 7 $ 3 T Opening percentage required as to accelerator pedal
5 7 $ B $ Y Y 7 + R Enrichment for H2o temp during cranking
5 7 $ B 7 2 L O Enrichment for oil temp during cranking
5 7 $ B 5 L V F & D W Enrichment for warming up catalytic converters during cranking
5 7 $ B 6 Z $ & Enrichment for activating A/C system
5 7 $ B 9 H Q W R O H Enrichment for activating radiator fans
5 7 $ B 2 I I V H W ( Q G Total requested enrichment
Page 1139 of 1173
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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 $
' % : , Q S X W 0 D Q D J H P H Q W
5 W D & D Q Requested throttle opening percentage
5 W D B 5 H D G DBW 1 throttle position read and implemented
5 W D B 5 H D G DBW 2 throttle position read and implemented
& S 5 H T ' E Z Torque requested for DBW from engine table
& S 5 H T X H V W 3 H G D O H Torque requested by pedal position for engine control system
2 [ \ J H Q 6 H Q V R U 0 D Q D J H P H Q W
/ / B / D P E G D 7 D U J H W Linear oxygen sensor; oxygen sensor target requested by the system
, / , 2 6 B O D P E G D Mixture strength at which the engine runs; the closer it is to 1, the more stoichiometric it is
(above 1 the system indicates a weak mixture, below 1 it indicates a rich mixture) 4 $ & B 6 / & R U U KTJ of the linear oxygen sensors; the higher the value, the more air enters the engine
6 / 7 L P H 6 H O I O H D U Q L Q J W L P H V H F ) R U V H W W L Q J W K H D L U À R Z U D W H ' % : V H W W L Q J D W L G O H V S H H G R Q O \ R Q F H S H U W U L S
and only when the correct temperature conditions exist (TH2o>85° Toil>90°); if this is not possible, the system
uses the last opening and compensates by changing the engine’s spark advance.
/ P G 3 R V Post-catalytic converter oxygen sensor signal (determines correct operation)
. D Y 5 B 9 $ / 9 D O X H R I P L V ¿ U L Q J V H Q V R U V W K L V Y D O X H P X V W I D O O Z L W K L Q W K H F R U U H F W S D U D P H W H U V P L Q L P X P E L W
P D [ L P X P E L W E H \ R Q G Z K L F K D P D O I X Q F W L R Q L V G H W H U P L Q H G G L V F R Q Q H F W H G S L S H F O R J J H G S L S H G L V F R Q Q H F W H G
connector, etc.)
7 H P S H U D W X U H 0 D Q D J H P H Q W
7 + R Water temperature
7 R L O Oil temperature
7 F D W Catalytic converter temperature
3 R L O Engine oil pressure
, G O H & S & X U Lamborghini parameter
, - 7 J 6 W D W X V Lamborghini parameter
0 D U F L D 6 H W Indicates which gear the car is in
7 ( [ W B O L Q Outside temperature (°C) read by the GFA
9 H O R F U Speed read by GFA ECU
7 $ P E L H Q W H Ambient temperature (for opening the two rear air intakes) read by the PMC
Page 1140 of 1173
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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 $
9 9 7 0 D Q D J H P H Q W
$ V S & R Q W ( Q , Q W D N H Y D U L D E O H Y D O Y H W L P L Q J R Q R I I 7 K H V \ V W H P R Q O \ L Q G L F D W H V W K D W W K H V R O H Q R L G Y D O Y H L V
on and not its operation. It therefore does not indicate if the solenoid valve is defective.
6 H W $ V S Position in degrees of intake variable valve timing mechanisms requested by tables
) D V H $ Implemented position of intake variable valve timing mechanisms
$ V S ( U U Implemented position error compared to requested (must always be less than 3°)
6 F D U & R Q W U R O ( Q ( [ K D X V W Y D U L D E O H Y D O Y H W L P L Q J P H F K D Q L V P V R Q R I I
6 H W 6 F D U Requested exhaust VVT position
) D V H 6 Exhaust VVT implemented position
6 F D U ( U U Implemented position error compared to requested (must always be less than 3°)
6 6 / B 9 D O X H D Q G $ 6 / B 9 D O X H self-learning values during cranking regarding the positioning of the exhaust and
intake VVT; the malfunction light comes on for values higher than ±10°; this indicates incorrect engine timing.
9 9 7 R S H U D W L Q J V W U D W H J \
The VVT have two variables: • Water temperature ( W +
2 2
)
• Engine speed ( 5 S P)
W + 2 2 ƒ &
Activation (the value of the parameter in the “Check list LP640” window regarding
“AspicontrolEn /ScarcontrolEN”) remains at zero.
W + 2 2 ƒ & 5 S P !
Activation goes from 0 to 1 but maintains a basic setting required by the system.
W + 2 2 ! ƒ & 5 S P !
The VVT will be changed to optimize the torque required by the system under every
condition.