Brakes - Lotus 2004 ELISE Service Notes

2004 elise; exige

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Lotus Service Notes

Pressure Isolation (Pressure Maintain)

If signals received from the wheel speed sensors indicate imminent lock up of the LH front wheel, the first

step in the anti-lock sequence is to isolate that wheel brake circuit from the master cylinder. The ECM ener-

gises the isolator valve solenoid, which closes the valve against spring pressure and maintains existing pres-

sure in the left hand front brake circuit regardless of any increase in pedal pressure.

Isolation valve

energised and

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