2009 LAMBORGHINI MURCIÉLAGO Service Repair Manual

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Injection rail assembly
1.
Connect the regulator’s fuel delivery pipe ( A-Fig.1).
2. Connect the pressure regulator’s pipe ( B-Fig.1).
3. Connect the injection rails to the front pipes ( C-Fig.2).
Injection rails attachment; tightening torque (000800-14c).
4. Secure the manifold to the engine using the three mounting screws ( D-Fig.1).
• Assemble the carbon bulkhead above the manifold (081305).

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$LULQWDNHPDQLIROG The intake system is divided into two parts, one for each cylinder bank. Each part consists of: •
An air cleaner with a connecting sleeve to the relevant throttle bodies
• An intake manifold, variable volume type, on which four throttle bodies and a fuel manifold are installed;
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D. Throttle bodies
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requests of LIE control units received by CAN lines. The LIEs create these requests according to PA and RPM parameters, and operating strategies at idle and start-up.
Each throttle bodie has a throttle controlled by an actuator that receives opening information from the ETB ECU.
There are 2 feedback potentiometers inside the throttle that read its position in order to diagnose any malfunctioning
of the throttle body and send the information to the ETB ECU (which forwards the information to the 1-5 cylinder bank LIE).
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The pneumatic actuators are driven by control solenoid valves directly managed by the LIEs according to the engine coolant temperature (the system is disabled at temperatures < 60°C) and engine rpm.
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VIS features three operation modes ( Fig.4):
 ³&&´ %3 &ORVH LOW RPM
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Inspecting the throttle bodies Use the LDAS32 system to inspect the throttle bodies (109100) LP640 MY09 “Check list”.
General knowledge required to carry out the inspection:
1. If the value provided by the LDAS32 system is < 15, the ETB control unit is broken or not being supplied; if,
however, the value is equal to zero, then it is the throttle body that is broken or not supplied.
2. If the numerical values of the throttle bodies differ, it is necessary to carry out a search for the error.
3. If in the IDLE MAP COMP. string, the LDAS32 system determines a correction percentage above 4.5%, the rear
part of the throttle needs to be cleaned with a de-greaser.

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A) Disassembling the throttle bodies
1.
Detach the clamp ( A-Fig. 1) connecting the air intake pipe ( B-Fig. 1) to the throttle body ( C-Fig. 1).
2. Disconnect the throttle body from the engine by unscrewing the 4 screws ( D-Fig. 2) and detaching the connector
( E-Fig. 2 ).
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A) Disassembling the throttle bodies
B) Disassembling the
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B) Disassembling the
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3UHOLPLQDU\RSHUDWLRQV • Disassemble the engine safety cover (081303).
• Disassemble the left side carbon bulkhead (081303).
Manifold disassemble
1. Disconnect the fuel delivery pipes ( A-Fig.3).
2. Disconnect the fuel return pipes ( B-Fig.4).

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3.
Remove the clamps ( C-Fig.5) and disconnect the wiring harness connectors ( D-Fig.5) secured onto the rear
cross member.
4. Disconnect the air intake pipes 3RLQW$.
5. Disconnect the coils ( E-Fig.6).
6. Disconnect the knock sensors ( F-Fig.7) and the respective support ( G-Fig.7).
7. Disconnect the variable valve timing pins ( H-Fig.7).