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360 Modena gear box manual - All Ferraris

360 Modena gear box manual - All Ferraris

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When everything is working properly<br />

• The electric pump must be activated only when the pressure drops below 42 bar<br />

and it must be deactivated when it reaches 60 bar (display through Ferrari Tester).<br />

• The electric pump activation time during normal operation must not exceed 4÷5<br />

seconds and the deactivation time must not be shorter than 8÷10 seconds.<br />

Engine Start-up<br />

Signs of possible problems<br />

• The starter motor does not switch on (essential condition).<br />

• The display indicates a <strong>gear</strong> engagement or "N" is flashing.<br />

Components involved<br />

• Battery connection and knife switch.<br />

• Ignition switch<br />

• Starter relay and CD diode module.<br />

• TCU<br />

• Engagement sensor.<br />

• Engagement solenoid valves.<br />

Practical checks<br />

• If the display shows the symbol "N" continuously, check that pins 27 and 28 of<br />

TCU feature +12V battery and, through the ignition switch, that pin 87 of the RLA,<br />

features +12V battery.<br />

• If the display shows a <strong>gear</strong> engaged or "N" is flashing, use the Ferrari Tester to<br />

check that the engagement position lies within the min. and max. neutral thresholds. If<br />

this condition is not met, check the <strong>gear</strong><strong>box</strong> actuation as below described.<br />

NOTES<br />

If the car is not started even if the starter motor works and no request for motor stop is<br />

stored by the engine ECU, this means that the problem is not caused by the <strong>gear</strong>shift<br />

system.<br />

Clutch Actuation<br />

Signs of possible problems<br />

• The <strong>gear</strong><strong>box</strong> self-learning procedure is not carried out.<br />

• The system does not accept <strong>gear</strong>-shiftings.

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