Lotus TURBO ESPRIT Service Manual page 404

Page 32
SECT/ON LD
A
-
FUEL PUMPS
1
.
Check inertia switch and fuel pump fuses. (LD 26).
2.
Remove fuel pump control relays and f i t electrical test bridges TOOOT0569.
The fuel pump should be heard running.
If
no sound i s heard, refer to
LD 26/27/28 for electrical diagnosis.
3.
With pumps running, check voltage drop at terminals of both pump.
Minimum
=
Engine Running:
11.5
V, Engine Stopped: 10.0 V.
Remove test bridges from pump control relay bases.
To check that sufficient fuel i s supplied to the injection system:
Tools required: Test Hose TOOOT0579
Graduated Flask TOOOT0582
Electrical Test Bridges TOOOT0569
4.
Check Fuel Return Quantity from Distributor
Fit the test hose TOOOT0579 to the fuel distributor return connection (see
Fuel System Precautions LD
22)
and place into draduated flask
Fit test hose here i n place
Trip inertia switch and f i t electrical test bridges TOOOT0569 to fuel
pump control relay bases.
hess down inertia switch for a short time to prime the system. Empty
flask.
hess down inertia switch for exactly 30 seconds and measure quantity
-
of fuel delivered.
Specification:
1 ZSO
f
1
00cc