Lotus TURBO ESPRIT Service Manual page 441

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Page 68
SECTION LD
-
9.
High Temperature Switch
Location: Water
mil,
inlet manifold. Additional information see
LD 18.
-
0
Controls fast warm up relay. Senring coolant temperature goes open circuit
on raising temperature at 70' C and closed circuit on falling temperature at
600
C.
10..
Idle Up Solenoid
Location: Right hand fuel tank board. Additional information see LD
19.
Electrically operated atr valve. Air way open when valve i s electrically
de-energised. Controlled electrically by the idle up relay and fast warm
12
Volts 0 Volts
Airway A irway
Closed Open
1
1 1 .
RP.M. Relay
Location: Coil box
Mating connector colour: Blue
87
\
31
Blue
Senses ignition pulses i n the low
tension circuit and requiresa
minimum of
4 R.P.M.
before
making contact and thereby
energising the fuel pump and
injection circuits. There i s a n
inbuilt delay i n the relay that
alIo\vs the contacts to remain
closed for approx.
5
seconds
after the low temion circuit has
ceased to function.
Moulding
12. Ignition Solenoid
Location: Coll
box
Matlng connector colour: Black. Additional information see
LD
18.
Electrically controlled vacuum solenoid valve.
Controls distributor advance
'
by vacuum. See engine operating spec. Controlled by ignition auxiliary
(fuse
22
fusebox) being swltched also
by
the fast warm up relay. (Does not
,operate during starter motor cranking).