engine LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual
[x] Cancel search | Manufacturer: LAMBORGHINI, Model Year: 2009, Model line: MURCIÉLAGO, Model: LAMBORGHINI MURCIÉLAGO 2009Pages: 1173, PDF Size: 98.14 MB
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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 0 $ 3 $ E V R O X W H 3 U H V V X U H 6 H Q V R U The absolute pressure sensors are positioned on left engine cylinder head intake.
Absolute pressure sensor
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A. Intake manifold
% T. MAP Sensor (air temperature and absolute pressure)
Absolute pressure sensor operating principle
The sensitive element, enclosed in a plastic container, consists of a Wheatstone bridge stenciled on a very thin ceramic plate (diaphragm) installed on the lower part of an annular support.
The diaphragm separates two chambers: In the lower chamber, which is sealed, a vacuum has been created, whereas the upper chamber is in direct communication through piping with the measuring point.
When operating, the pressure that generates on the measuring point produces a mechanical action on the sensor G L D S K U D J P Z K L F K G H À H F W V W K X V Y D U \ L Q J W K H U H V L V W R U Y D O X H V
Since the power supply is constant (+5 V), the resistor variation causes an output voltage variation ( 9 ) L J ) which
is proportional to the pressure value.
Page 986 of 1173
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B
® 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 $
Starter disassembly 3 U H O L P L Q D U \ R S H U D W L R Q V •
Remove the engine (010003)
Starter disassembly
1. Unscrew the nuts with washers ( A-Fig.1) which mount the starter to the crankcase.
2. Extract the starter ( B-Fig.1).
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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
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 H Y H U D W W H P S W W R M X P S V W D U W D F D U Z L W K D I U R ] H Q E D W W H U \ L W F R X O G E U H D N D Q G F D X V H I X U W K H U G D P D J H
1 H Y H U X V H I D V W E D W W H U \ F K D U J H U V I R U H P H U J H Q F \ V W D U W V
) D L O X U H W R R E V H U Y H W K H S U R F H G X U H V G H V F U L E H G E H O R Z F D Q O H D G W R L Q M X U \ R U G D P D J H G X H W R V S L O O D J H R I E D W W H U \ D F L G R U R Y H U O R D G L Q J R I W K H Y H K L F O H H O H F W U L F D O V \ V W H P
1 H Y H U G L V F R Q Q H F W W K H V \ V W H P E D W W H U \ Z K H Q W K H H Q J L Q H L V U X Q Q L Q J
' R Q R W V W D U W X S W K H H Q J L Q H E H I R U H F R Q Q H F W L Q J W K H E D W W H U \
• ' R Q R W X V H I D V W F K D U J H U V W R V W D U W W K H H Q J L Q H 8 V H H L W K H U V H S D U D W H E D W W H U L H V R U W K H V S H F L D O D X [ L O L D U \ E D W W H U \ W R V W D U W
the engine;
• & K H F N F D U H I X O O \ H [ D F W S R O D U L W \ R I W K H E D W W H U \ W H U P L Q D O V Z K H Q V W D U W L Q J X S Z L W K D Q D X [ L O L D U \ E D W W H U \
• $ O Z D \ V G L V F R Q Q H F W W K H J U R X Q G F D E O H ¿ U V W I U R P W K H E D W W H U \ Q H J D W L Y H W H U P L Q D O Z K H Q G L V F R Q Q H F W L Q J W K H E D W W H U \ I U R P
the system;
• % H I R U H F R Q Q H F W L Q J W K H E D W W H U \ W R W K H V \ V W H P P D N H V X U H W K D W W K H O D W W H U L V Z H O O L Q V X O D W H G
• ' L V F R Q Q H F W W K H V \ V W H P E D W W H U \ Z K H Q U H F K D U J L Q J Z L W K H [ W H U Q D O H T X L S P H Q W
• ' L V F R Q Q H F W W K H H [ W H U Q D O U H F K D U J L Q J H T X L S P H Q W I U R P W K H Q H W Z R U N E H I R U H U H P R Y L Q J L W V F O D P S V I U R P W K H E D W W H U \
terminals;
• : U R Q J S R O D U L ] D W L R Q R I W K H H O H F W U R Q L F F R Q W U R O X Q L W V S R Z H U V X S S O \ Y R O W D J H I R U H [ D P S O H E D W W H U \ Z U R Q J S R O D U L ] D W L R Q
can cause breakage.
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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 F D V H R I H Q J L Q H V W D U W L Q J E \ P H D Q V R I H [ W H U Q D O E D W W H U \ P D N H V X U H W K D W W K H H [ W H U Q D O E D W W H U \ K D V D Q H T X L Y D O H Q W Y R O W D J H 9 D Q G W K D W W K H F R Q Q H F W L Q J H O H F W U L F D O F D E O H V K D Y H D V H F W L R Q F R U U H V S R Q G L Q J W R P P at least.
7 K H S R L Q W V K R Z Q L Q W K H ¿ J X U H ) L J D Q G D Q \ H Q J L Q H J U R X Q G S R L Q W F D Q E H X V H G W R F R Q Q H F W D Q H [ W H U Q D O E D W W H U \
charger. 3 U R F H H G D V I R O O R Z V • remove the ignition key;
• V Z L W F K R I I D O O O L J K W V D Q G D Q \ R W K H U H O H F W U L F D O G H Y L F H L Q W K H F D U
• F R Q Q H F W W K H H P H U J H Q F \ E D W W H U \ S R V L W L Y H W H U P L Q D O W R W K H S R L Q W V K R Z Q L Q W K H ¿ J X U H ) L J E \ P H D Q V R I W K H
cable;
• connect the emergency battery negative terminal to any engine ground point;
• W X U Q W K H L J Q L W L R Q N H \ W R S R V L W L R Q
• select the maximum temperature on the air conditioning system control panel;
• V W D U W X S W K H H Q J L Q H W K H Q G L V F R Q Q H F W W K H H P H U J H Q F \ E D W W H U \ U H P R Y L Q J ¿ U V W W K H F R Q Q H F W L R Q W R J U R X Q G W K H Q W K H
positive terminal.
: K L O H F R Q Q H F W L Q J W K H E D W W H U \ ¶ V S R V L W L Y H S R O H E H Y H U \ F D U H I X O 1 2 7 W R W R X F K W K H F D U E R Q E X O N K H D G
, U U H S D U D E O H G D P D J H F R X O G E H F D X V H G W R W K H Y H K L F O H ¶ V F R Q W U R O X Q L W V .
Page 1011 of 1173
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Fig.1 Fig.2
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B
® 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 $
% U D N H W D L O O L J K W U H À H F W R U
disassembly
1. Access to the combination light as follows ( Fig.1):
• Remove the silencer safety grid (025103).
• Disconnect the rear spoiler stepping motor connector.
• Unscrew the engine hood front mounting elements, push it towards the car rear part in order to release the
engine hood rear pins from their couplings.
• Slightly lift the engine hood and push it forwards in order to release the rear combination light mounting
screws.
• Unscrew the rear combination light mounting screws to the body ( A-Fig.1).
2. Unscrew the nut ( B-Fig.2) and remove the rear combination light.
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Fig.2
Fig.1
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 $
% U D N H W D L O O L J K W U H À H F W R U
assembly
• Tighten the nut ( A-Fig.1) on the relative seat in the body.
• 7 L J K W H Q W K H U H D U F R P E L Q D W L R Q O L J K W P R X Q W L Q J V F U H Z V R Q W R W K H E R G \ V K R Z Q L Q W K H ¿ J X U H B-Fig.2).
• Lower the engine hood and push it towards the front part of the vehicle in order to reconnect the engine hood
rear pins with the relative couplings.
• Tighten the front mounting elements of the engine hood.
• Attach the connector of the rear spoiler stepping motor.
• Assemble the silencer safety grid (025105).
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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
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 % $ * control unit
The electronic control unit governs and activates the various airbag modules. The ECU contains following parts: • an aluminum container in which the following are arranged:
• an electromechanical sensor which discriminates the “activation/deactivation” conditions according to vehicle
deceleration;
• an electromagnetic safety sensor operating with the electromechanical sensor; both sensors must enable the
“activation” condition for the system to be deployed;
• an electronic board that analyses the signals from the two sensors and deploys the airbag modules when
required.
Furthermore, the electronic board has self-diagnostic features. When the ignition key is turned to “MAR”, it checks
the correct operation of the entire system. 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. The airbag system will need to be attended to at an authorized workshop if either the red airbag warning light on the dashboard stays on for longer than 4-6 seconds after the engine has been started or turns on while traveling.
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Fig.1
A
B
® 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 $
Airbag control unit disassembly 3 U H O L P L Q D U \ R S H U D W L R Q V •
Disconnect the battery main switch inside the engine compartment and wait 2-3 minutes before carrying out any
operation.
• Disassemble the right and left sides of the central tunnel (086303).
Control unit disassembly
1. Disconnect the connector ( A-Fig.1) from the airbag control unit.
2. Unscrew the three screws that secure the airbag control unit ( B-Fig.1) to the crankcase of the central tunnel.
3. Remove the airbag control unit.
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Fig.4
Fig.3
A %
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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 $
To access the main fuse board remove the carpet on the passenger side footrest and remove the four screws
securing the footrest. The door-locking unit (
A-Fig.3) is above the board and the wiper system control unit ( % ) L J )
is on the right.
Ref. Use Features
1.Fuse for wiper and washer system, headlight cleaner 30 A
2. Brake (ABS), engine control unit fuse 10 A
3. Anti-theft fuse 15 A
4. Airbag fuse 10 A
5. ABS fuse 7.5 A
6. Air conditioning system fuse 15 A
7. Fuse for lighter, clock, audio system 15 A
8. Fuse for GFA control unit, OBDII, CAN instruments 10 A
9. Roof light, door clearance lights 5 A
10. ECU Power window assembly 30 A
11. Air conditioning system fan fuse 30 A
12. Fuse for door-locking, tunnel button control unit 10 A
13. Anti-theft fuse 10 A
14. Ready for satellite navigation connection 5 A
15. Reverse gear, third brake light and power window ECU 10 A
16. --
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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 $
•Disconnect the ground cable from the battery negative terminal before removing electronic components (carry out the operation on the battery disconnect inside the engine);
• electrical measurements on electronic components must be carried out only with adequate measuring equipment;
• make sure that electronic device cables (length, type of conductor, positioning, clamping, shielding continuity
where required, grounding, etc.) are correct for the system and that have been 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 ;
• electronic control unit measuring at plugs, plug connections and electrical connections of components are 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.
: K H Q S H U I R U P L Q J H O H F W U L F D O Z H O G L Q J R Q W K H F D U D O Z D \ V G L V F R Q Q H F W W K H E D W W H U L H V D Q G U H P R Y H W K H
F R Q Q H F W R U V I U R P W K H H O H F W U L F F R Q W U R O X Q L W V D Q G L Q S D U W L F X O D U I U R P W K H / , ( * ) $ 3 0 & $ % 6 $ , 5 % $ * and air conditioning system control units.
% H I R U H U H S O D F L Q J W K H E X U Q W I X V H D O Z D \ V F K H F N W K H F D X V H R I W K H I X V H E X U Q L Q J R X W - X V W R Q F H W K H I D L O X U H K D V E H H Q U H P R Y H G W K H F L U F X L W R S H U D W L R Q F D Q E H U H V W R U H G
, W L V D J R R G S U D F W L F H W R G L V F R Q Q H F W W K H E D W W H U \ I U R P W K H F D U Q H W Z R U N L I W K H F D U K D V Q R W E H H Q Q R W W R E H X V H G I R U D O R Q J W L P H V H Y H U D O P R Q W K V 7 K L V S U H Y H Q W V W K H E D W W H U \ F K D U J H I U R P G U R S S L Q J E H O R Z W K H
P L Q L P X P 3 H U L R G L F D O O \ F K H F N W K H Y R O W D J H E H W Z H H Q W K H W Z R W H U P L Q D O V D Q G L I Q H F H V V D U \ U H F K D U J H