Lotus TURBO ESPRIT Service Manual page 443

.- .
Page 70
.,....
SEC.T/ON
.
LD
.
18.
Cold Start Injector
Loco tion: Cold start adaptor, inlet manifold
Mating connector colour:. ~ l l e . Additional information see LD
7.
Electrically controlled iniector. Positive feed supplied from cold start contact
of starter motor during cranking, negative supplied by the thermal time switch
to control injection period.
a
19. Throttle Position Switch
Loco tion: Rear 'of throttle body spindle
Mating connector colour: Black. Additional informa tion see LD
15 &
LD 16.
A two contact rotary switch used to ground the fuel by-pass control relay windings
a
a t closed throttle and ground both pin
7,
of the electronic control unit, and
contact 87, of the idle change over relay at a throttle opening of 29O and above.
J
r,.-.
Raistance measurement in ohms between
Therm 'G' and Term
'W'
and Term 'G' and
term
'W'
'Ground'
(Housing)
'Ground'
25.
.
. 4 0 0 25.. . 4 0
5 0 . . . 8 0 100.. .I60 5 0 . . . 8 0
Design
-
38Oc/%
t
Schematic shown i n closed throttle position
At
a
temperature
under over
O C
OC
+30
- 1 4 0
Black
I 0
2
Connector Cavity ~ u m b e n '
\
Switch Cavity Numbers
20,
Frequency Valve
Location: Front of mixture control unit
Mating connector colour: White. Additional information see LD
14.
Electrically controlled fuel ,valve. Receives4 posi tive feed from the
R.
P. M.
relay
and
the .negative is controlled by the electronic control unit.
Although the frequency valve itself is not polarity comcious for correct
operation of the test equipment
i
.e. duty cycle meter, i t i s essential that
the cables into the connector are i n the correct orientation, shown below
.