2009 LAMBORGHINI MURCIÉLAGO check engine
[x] Cancel search: check enginePage 390 of 1173
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Fig.1
B
C
A
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 $
2 [ \ J H Q 6 H Q V R U
It is a sensor 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 this sensor it is possible to measure the deviation from the stoichometric ratio (lambda ratio) of the air – fuel mixture sent to the cylinders.
Each cylinder bank has two oxygen sensors: one is installed on the exhaust gas inlet coupling in the catalytic converter of the exhaust system, the other on the converter outlet.
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 LDAS-32 to check the POST-catalytic converter oxygen sensors. External air Exhaust gases
Electrodes
Engine control unit
Sensor voltage
Page 420 of 1173
![LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual 2
L824 02 60 08
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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 G D V P D O O D P R X Q W R I À X R U H V F H Q W À X L G W R W K H F R R O D Q W W R I D F L O L W D W H O H D N O R F D W L R Q 7 K H S U H V H Q F H R I W K H O H D N Z L O O D S S H D U X Q G H U W K H O L J K W R I V S H F L ¿ F O H D N O R F D W L Q J O D P S V & $ 8 7 , 2 1
' R Q R W X V H Q D N H G À D P H V W R O R F D W H O H D N V $ S D U W L F X O D U O \ K D ] D U G R X V J D V S K R V J H Q H F R X O G E H formed.
7 K H V \ V W H P G U D L Q L Q J D Q G U H ¿ O O L Q J R S H U D W L R Q V P X V W E H F D U U L H G R X W Z L W K W K H V S H F L D O G H Y L F H F R Q Q H F W H G W R W K H S R L Q W V V K R Z Q L Q W K H ¿ J X U H V ) L J / R Z S U H V V X U H F L U F X L W Y D O Y H ) L J - High pressure circuit valve).
$ I W H U F K H F N L Q J V \ V W H P W L J K W Q H V V U H ¿ O O L W Z L W K J U D P V R I W K H S U H V F U L E H G F R R O D Q W 7 R U H ¿ O O W K H V \ V W H P V W D U W W K H
engine up, select the lowest temperature on the control panel and make sure the climate control system control unit causes the compressor electromagnetic clutch to engage.
: K H Q W K H V \ V W H P L V ¿ O O H G X S O H W L W U X Q I R U D S S U R [ P L Q V D Q G F K H F N W K D W W K H F R R O D Q W À R Z L Q J W K U R X J K W K H U H F H L Y H U drier is in liquid state.
To check oil level inside the compressor, place it in horizontal position and, after removing the plug, make sure oil
O H Y H O P D W F K H V W K H ¿ O O L Q J K R O H 7 R S X S Z L W K W K H S U H V F U L E H G R L O L I Q H F H V V D U \
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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 $
Follow the removal procedure in reverse order, and in particular: • Install the rear differential on the engine tightening the nuts to the prescribed tightening torque;
differential mounting nuts: W L J K W H Q L Q J W R U T X H D
• Pour the correct quantity of prescribed oil in the rear differential and check for leaks.
• Install
the power steering pump support frame, A/C compressor and alternator (4 screws).
• Install the alternator and its heat-proof screen to the differential side plate.
• Fasten the axle shaft heat-proof screens.
• Once the train power assembly has been installed, connect the rear axle shafts to the differential tightening the
screws to the prescribed tightening torque;
axle shaft mounting screws: W L J K W H Q L Q J W R U T X H G
• Install the silentblock and fasten it by means of a bolt; tighten as necessary.
Page 686 of 1173
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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
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The system is equipped with a warning light on the dashboard and a push-button on the tunnel for the deactivation. In particular:
: D U Q L Q J O L J K W 3 X V K % X W W R Q 0 H D Q L Q J
1 R W G H D F W L Y D W H G 7 K H 7 & 6 G R H V Q R W G H W H F W G L I ¿ F X O W D G K H V L R Q F R Q G L W L R Q V
Off DeactivatedWarning light and/or push-button and/or TCS harness malfunction
1 R W G H D F W L Y D W H G 7 K H 7 & 6 L V R S H U D W L Q J
Flashing Deactivated Warning light and/or push-button and/or TCS harness malfunction
1 R W G H D F W L Y D W H G 7 & 6 I D L O X U H
Staying on Deactivated TCS deactivated
Due to the system architecture, the failure warning to the TCS system is generally caused by failures in the ABS and/or Injection systems, so it takes place when one or more warning lights related to these systems switch on:
6 \ V W H P : D U Q L Q J O L J K W R Q 0 H D Q L Q J
ABS ABS Malfunction of one or more signals from phonic wheels
Injection Check engine 1-6 Cylinder bank 1-6 injection system malfunction
Check engine 7-12 Cylinder bank 7-12 injection system malfunction
Page 803 of 1173
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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
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6.
Secure the shims ( ' ) L J ) along the inside edge of the engine.
7. Distribute the BETASEAL 1965 silicone along the internal edge of the engine hood
( ( ) L J ).
, I D S S O L F D W L R Q P X V W E H L Q W H U U X S W H G H J W R U H S O D F H W K H V L O L F R Q H F D U W U L G J H G R Q R W D O O R Z J D S V R I D L U W R form in the silicone between the 2 applications.
8. Position the window on the engine hood, taking care that the silicone does not internally extend beyond the
edge.
3 R V L W L R Q E R W K S L H F H V R I J O D V V À X V K Z L W K W K H L U U H V S H F W L Y H V X S S R U W V ) L J
9. Check the distance between the window and the internal edges of the engine hood: then secure the window
onto the engine hood using cloth tape.
10. Position weights along the edge of the window so that the silicone adheres well between all of the various
surfaces ( ) L J ).
Page 1023 of 1173
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$ , 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.
Page 1037 of 1173
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Fig.1
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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
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GFA Control Unit
The GFA control unit (Auxiliary Functions Management) is an on board computer that manages the operation of
many devices. The GFA is connected by CAN line to the LIE engine control unit and to the PCM control unit, and co-ordinates and manages many operations, especially concerning diagnostics.
The main functions controlled or coordinated by the GFA control unit are: •Cutting out accessory devices when the engine oil pressure is below 1 bar (pressure switch contact closed);
• Key inserted check and buzzer activation if the key is inserted and the driver’s door open after at least one KEY
ON;
• Check of light intensity on the instrument panel;
• Lights on check, activating the buzzer if lights are on, key inserted and driver’s door open;
• Check on driver’s side seat belt with timed activation of buzzer and key inserted warning light;
• Passenger compartment light check;
• Exhaust gas temperature in catalytic converter check (see GR.15 .– Engine Control);
• Instruments (fuel level indicator) and other indicators check;
• Front differential temperature check;
• Lifting system check;
• OBDII management (Engine Error);
• OBDII management (Gearbox Error 8 6 $ Y H U V L R Q
).
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& K H F N L Q J W K H H Q J L Q H L G O H V S H H G D Q G & R P E X V W L R Q Y D O X H V
& $ 8 7 , 2 1 : K H Q F K H F N L Q J W K H H Q J L Q H L G O H V S H H G D Q G F R P E X V W L R Q Y D O X H V S D \ W K H X W P R V W D W W H Q W L R Q E H F D X V H W K H H [ K D X V W V \ V W H P F R P S R Q H Q W V F D Q E H F R P H H [ W U H P H O \ K R W
• & D U U \ R X W W K H I R O O R Z L Q J S U R F H G X U H V H Y H U \ W L P H D F R P S R Q H Q W R I W K H H Q J L Q H F R Q W U R O V \ V W H P L V
G L V F R Q Q H F W H G R U U H S O D F H G D Q G H Y H U \ W L P H W K H H Q J L Q H L G O H V S H H G L V L Q V W D E O H R U W R R K L J K W K H Q R U P D O Y D O X H L V D S S U R [ U S P
• The engine must be switched off for at least 10 hours beforehand and the tests must be carried R X W D W D Q H Q Y L U R Q P H Q W W H P S H U D W X U H E H W Z H H Q D Q G ƒ &
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1. Connect the LDAS32 diagnostic interface to the car.
2. While the engine is switched off check the following values:
PA: accelerator pedal in the idle position. Must equal 150 +- 15 bit. An incorrect adjustment generates error codes.
PA: accelerator pedal in the maximum position. Must equal 700 +- 15 bit. An incorrect adjustment generates error codes.
If the idle speed is not set correctly, act on the accelerator pedal lever.
4. If the maximum is not set correctly, act on the accelerator pedal stroke.
Check all the engine parameters using the LDAS32 display. In the indicated conditions all the LEDs will be
green: in particular environment temperature conditions (<10°C or >35°C) some LEDs may be red; this is
normal if the values of the relative parameters are congruent with such temperatures.