2009 LAMBORGHINI GALLARDO Injection control unit
[x] Cancel search: Injection control unitPage 505 of 1659
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ABC
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/ 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
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The oxygen sensors are the sensors generating an electric signal according to the ratio between the oxygen inside
the exhaust gas and the oxygen inside the outside air. By means of these sensors it is possible to measure the deviation from the stoichiometric ratio (lambda ratio) of the air – fuel mixture sent to the cylinders.A. Pre-catalyst oxygen sensor (LINEAR)
B. Post-catalyst oxygen sensor (ON-OFF)
C. Catalyst
2 1 2 ) ) R [ \ J H Q V H Q V R U R S H U D W L R Q G L D J U D P S R V W F D W D O \ W L F F R Q Y H U W H U • The main element is a ceramic body coated on both sides (Nernst cell).
• The coatings act as electrodes.
• One layer of electrodes is in contact with external air, the other with the exhaust gases.
• The difference between the oxygen contained in the outside air and that in the exhaust gases generates the
sensor’s voltage.
Use LaRa-AS on both the MASTER and SLAVE engine injection control units to check the POST-
catalytic converter oxygen sensors. External air Exhaust gases
Electrodes
Engine control unit
Sensor voltage
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/ 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
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/ , 1 ( $ 5 R [ \ J H Q V H Q V R U R S H U D W L R Q G L D J U D P S U H F D W D O \ W L F F R Q Y H U W H U Oxygen sensor adjustment with broadband oxygen sensor: •The pumping effect of the pump cell is a purely physical process.
• No mechanical component.
• The positive voltage of the pump cell attracts negative oxygen ions through the oxygen-permeable ceramic.
Use LaRa-AS on both the MASTER and SLAVE engine injection control units to check the PRE-
catalytic converter oxygen sensors.
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During braking the ABS function allows the modulation of the braking force effectively applied to each wheel, thus preventing one or more wheels from becoming blocked, which would otherwise cause the loss of control of the vehicle.
The control unit carries out the corrections to the braking by reading the relative speed of each wheel, obtained by special sensors (pick-up).
To guarantee a good signal quality, the distance between the pick-up and the phonic wheel must be between 0.9
÷ 1.0 mm. The electro-hydraulic control unit carries out all the corrections on the braking, using 4 ISO valves and 4
DUMP valves. When an ISO valve is closed, the disc brake calliper is isolated from the hydraulic pump.
The DUMP valve, on the other hand, is used to reduce the pressure of the corresponding disc brake calliper that
is present in the hydraulic circuit. If, during normal use of the vehicle, the ABS warning light on the dashboard is
switched on and the buzzer sounds at the same time, it means that the ABS control unit has found a fault in the
system. When the warning light is on the ABS does not work; this means that in the vehicle the braking system works
anyway, but the electronic control on the braking is deactivated. $ % 6 V \ V W H P Y D F X X P U H F R Y H U \ S X P S
The electric vacuum recovery pump is positioned in the front bumper area and is controlled by the MASTER engine injection control unit only with the engine running.
Its operation is determined by a pressure sensor that calculates its drop and makes the pump cut in to maintain the vacuum. Its operation can be checked by means of the LaRa-AS engine control unit “01” Basic setting 8 (109000).
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Accelerator pedal adjustment The accelerator pedal does not require any basic setting.The MASTER engine injection control unit manages the pedal.
The pedal values can be seen by means of the LaRa-AS (109000) on both the MASTER and SLAVE control units,
X V L Q J Y H U V L R Q G L D J Q R V W L F V D W J U R X S W K U R W W O H E R G \ F R Q W U R O L Q W K L V V S H F L ¿ F Z L Q G R Z D U H W K H E O R F N L Q J V R I W K H Y D O X H V ranging from 62 to 68 that include the real values, those read and those processed by the system
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Y H U L ¿ H G R Q W K H 0 $ 6 7 ( 5 D Q G W K H Q R Q W K H 6 / $ 9 (
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® Automobili Lamborghini S.p.A.
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Disconnect the battery (091503).
• Remove the right side panel in the engine compartment (081303).
• Disengage the right engine injection control unit (098103).
• Remove the expansion tank (012103).
' L V D V V H P E O L Q J W K H F R L O V
1. Disengage the wiring harness from the engine by loosening the 2 screws ( A-Fig.9).
2. Disconnect the solenoid valve power supply connector ( B-Fig.10).
Page 1269 of 1659
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Fig.10
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4.
Connect the solenoid valve power supply connector ( ' ) L J ).
• Assemble the expansion tank .
• Secure the right engine injection control unit .
• $ V V H P E O H W K H H Q J L Q H F R P S D U W P H Q W U L J K W V L G H ¿ Q L V K L Q J H O H P H Q W .
• Connect the battery .
Page 1270 of 1659
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Fig.1
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( 1 * , 1 ( , 1 - ( & 7 , 2 1 & 2 1 7 5 2 / 8 1 , 7 6
The two injection control units are identical to each other. They have the same software and hardware.The system recognises the left and right cylinder banks by means of a ground pin on the engine wiring harness.
When writing the immobilizer system, the control unit that will operate as MASTER “01” (A-Fig.1) and the one that
will operate as SLAVE “11” ( B-Fig.1 D U H G H ¿ Q H G
2 Q F H W K H Z U L W L Q J S U R F H G X U H L V F R P S O H W H G W K H F R Q W U R O X Q L W V F D Q Q R O R Q J H U E H H [ F K D Q J H G
, Q F D V H R I U H P R Y D O R U U H S O D F H P H Q W L W L V U H F R P P H Q G H G W R P D U N W K H F R Q W U R O X Q L W V L Q R U G H U W R G L V W L Q J X L V K W K H 0 $ 6 7 ( 5 ³ ´ I U R P W K H 6 / $ 9 ( ³ ´
( [ F K D Q J L Q J W K H F R Q W U R O X Q L W V E H W Z H H Q R Q H F \ O L Q G H U E D Q N D Q G W K H R W K H U L V Q R O R Q J H U D O O R Z H G
After the immobilizer system is set, you can place the control unit on another vehicle provided it is not locked in the
Fazit system. Once the control unit has been installed on another vehicle after the immobilizer has been set, it is
possible to repeat the exchange procedure only once more.
, I W K H F R Q W U R O X Q L W L V P R Y H G I U R P R Q H Y H K L F O H W R D Q R W K H U D Q G L W K D V E H H Q V H W D V 6 / $ 9 ( ³ ´ L W P X V W U H P D L Q 6 / $ 9 ( ³ ´ L I L W K D V E H H Q V H W D V 0 $ 6 7 ( 5 ³ ´ L W P X V W U H P D L Q 0 $ 6 7 ( 5 ³ ´
Use LaRa-AS to check and/or set the engine injection control units.
The MASTER is the control unit on cylinder bank 1 (1-5)
The SLAVE is the control unit on cylinder bank 2 (6-10)
Page 1379 of 1659
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Fig.2
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Location of rear control units (Fig.2)
H.Cylinder bank 1-5 engine injection control unit(MASTER)
, Cylinder bank 6-10 engine injection control unit(SLAVE)
L.E-gear control unit
M. Fuse box
1 Yaw sensor control unit
O.
Bluetoothcontrol unit
3 Fuel pump control unit
Q. CD loader