2009 LAMBORGHINI MURCIÉLAGO oil temperature
[x] Cancel search: oil temperaturePage 297 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 J L Q H , G O H 6 S H H G & R Q W U R O
The aim is to maintain the engine rpm at around the memorised value, depending on the start-up temperature andthe start-up time itself. A throttle value and an ideal advance value are associated with each target rpm (which forms
a set point around which the system works to maintain the pre-established rpm).
• Start-up with cold engine
During the ignition transient with cold engine an offset on throttle bodies opening is managed according to
engine coolant temperature/ignition seconds.
• : D U P H Q J L Q H
When starting with a warm engine, a throttle bodies opening offset is applied based on the engine coolant temperature / ignition seconds and engine oil temperature in order to bring the engine to at least 1,000 rpm
and prevent vapor-lock. Following these operations the system goes to idle conditions where the control unit
automatically maintains the target rpm by carrying out the necessary corrections on the advance and air.
Page 322 of 1173
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Fig.1
B
Fig.2
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 $
& D W D O \ W L F F R Q Y H U W H U G L V D V V H P E O \ 3 U H O L P L Q D U \ R S H U D W L R Q V •
Lift the vehicle on the car lift (000000).
• Disassemble the black plastic rear grille (081303).
• Disassemble the engine hood (082703).
• Disassemble the silencer safety grid (025103).
• Disassemble the spoiler above the silencer (082703).
• Disassemble the silencer guard (025103).
• Disassemble the two exhaust terminals (025103).
• Disassemble the four supports that secure the silencer to the chassis (025103).
• Free the two pipes from the catalytic converters that connect the silencer to the catalytic converters themselves,
removing the clamps (025103).
• Remove the four oxygen sensors (025303).
• Remove the two catalytic converter temperature sensors (025403).
& D W D O \ W L F F R Q Y H U W H U G L V D V V H P E O \
1. Disassemble the heat-proof panel ( A-Fig.1) under the right catalytic converter.
2. Free the catalytic converter from the rest of the engine unit by removing the clamps ( % ) L J ).
3. Extract the catalytic converter.
5 H S H D W W K H V D P H R S H U D W L R Q V I R U W K H O H I W F D W D O \ W L F F R Q Y H U W H U
Page 420 of 1173
![LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual 2
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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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' 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 \
Page 422 of 1173
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Fig.1 Fig.2 Fig.3
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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 $
0 D O I X Q F W L R Q V G L D J Q R V L V I R U ³ , Q V X I ¿ F L H Q W F R R O L Q J ´
Below is a list of the most probable causes of defects, referring to the pressure read by the LOW or HIGH pressure gauge, which reveals the value that has changed the most.
The following “Probable causes” were listed in the order of the defect statistically most likely to occur. (V ) For variable displacement compressors only;
( F ) R U ¿ [ H G G L V S O D F H P H Q W F R P S U H V V R U V R Q O \
3 U R E D E O H F D X V H V Fig.1 • , Q W D N H D Q G H [ K D X V W S L S H V L Q Y H U W H G R Q W K H F R P S U H V V R U
• The compressor’s electric clutch slips or does not completely engage;
• ( [ S D Q V L R Q Y D O Y H L V V W X F N R S H Q , I W K H F R P S U H V V R U K D V Y D U L D E O H G L V S O D F H P H Q W V P D O O E X W T X L F N F K D Q J H V L Q S U H V V X U H
occur in the low pressure side;
• (V ) The compressor’s displacement control valve is poorly calibrated or defective;
• Compressor damaged.
Fig.2• (F ) Thermostat defective;
• (F ( [ S D Q V L R Q Y D O Y H V W X F N F O R V H G R U R E V W U X F W H G
• Filter waterlogged;
• (V 7 K H F R P S U H V V R U ¶ V G L V S O D F H P H Q W F R Q W U R O Y D O Y H L V V W X F N D W P D [ L P X P G L V S O D F H P H Q W
• (F 2 E V W U X F W L R Q L Q W K H O R Z S U H V V X U H V L G H R U W K H K L J K S U H V V X U H V L G H E H W Z H H Q W K H ¿ O W H U D Q G H Y D S R U D W R U
Fig.3• Hot air penetrating into the evaporation unit or passenger compartment;
• Hot water seeping into the heater;
• Ice forming on the evaporating coil.
Gray area (high pressure and low pressure area with outside temperature between 15.5 and 43°C)
Page 537 of 1173
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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 $
3 U H O L P L Q D U \ R S H U D W L R Q V •
Position the vehicle on a car lift (000000).
• Remove the upper upholstery panel from the front boot (080603).
' L I I H U H Q W L D O G L V D V V H P E O \
1. Disconnect the oil temperature sensor’s plug ( $ ) L J ).
2. Remove the axle shaft screws ( % ) L J ).
3. Unscrew propeller shaft/gearbox coupling ( & ) L J ).
4. Remove the 4 socket head screws and disassemble the chassis support cross member ( ' ) L J ).
Page 1037 of 1173
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L824 09 81 00
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
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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
).
Page 1084 of 1173
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3 High input Catalyst temp sensor
signal>= 12.9 V (>= 970°C) TH2O < 50°C
, P P H G L D W H O \At Key onTwo trips
& $ 7 $ / < 6 7 7 ( 0 3 ( -
5 $ 7 8 5 ( % D Q N 3
Catalyst overtemp. 1st lev Catalyst temp sensor signal“900 °C < T < 940 °C“ Same as P1401 Two trips
3 Catalyst overtemp. 2nd lev Catalyst temp sensor signal> 940 °C
Same as P1402 Two trips
3 Low input / Open circuit Catalyst temp sensor
signal< 0.25 V (20°C) TH2O > 70°C Same as P0427 Two trips
3 High input Catalyst temp sensor
signal>= 12.9 V (>= 970°C) TH2O < 50°C Same as P0428 Two trips
& $ 7 $ / < 6 7 7 ( 0 3 ( -
5 $ 7 8 5 ( 3
Functional check |Catalyst temp sensor
signal Bank1 - Ca- talyst temp sensor signal Bank2|> 200°C
60 sec ContinuousTwo trips
2 , / 7 ( 0 3 ( 5 $ 7 8 5 ( 3 Low input Oil temperature signal
output< 0.10 V (154.1 °C) Time > 5 sec 3 times
ContinuousTwo trips
3 High input / Open circuit Oil temperature signal
output > 4.9 V (-36.9 °C) Time > 5 sec 3 times
ContinuousTwo trips
9 , 1 3 , Q W H U Q D O U R X W L Q HData Component found
failed , P P H G L D W H O \ At Key onTwo trips
, 1 - ( & 7 2 5 3 Low input/open circuit ) H H G E D F N W H V W , Q F R U U H F W G D W D I H H G -
E D F N , P P H G L D W H O \ ContinuousTwo trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 Low input/open circuit Same as P0261 Same as P0261 Same as P0261 Two trips
, 1 - ( & 7 2 5 3 high input Same as P0261 Same as P0261 Same as P0261 Two trips
Page 1136 of 1173
L824 10 91 14
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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 $
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