Mitsubishi 3000GT Workshop Manual Supplement page 12

FUEL
-
On-vehicle Inspection of
MPI
Gomponents
13-7
.flpalrthe
hamess.
(@
rFl-
@t-?t)
Check for continuity between
the
resistor
(for fuel pump) and fuel
pump.
o
Resistor (for
fuel
pump) connector:
Disconnected
o
Fuel pump connector: Disconnected
E
?FU?481
Repair the
hamess.
(lgniüon
switch
-
6l-5ll-i) or
cfiec-k
the
[nilion switd.
Measure
the
power supply voltage of the
fuel pump relay
No.l.
o
Fuel pump relay
No.l
connector:
Disconnected
lgnition switch
Voltage (V)
OFF
0
ON SV
?FU1928
Check for an open-circuit,
or
a
short-circuit
to earth between the
fuelpump
relay
No.1
and the engine control unit.
o
Control relay connector:
Disconnected
r
Engine
control
unit connector:
Disconnected
Repairthe
hamess.
(@
rar-84)
Repairthe
hamess.
(@
Fl'
O
l-e)
(@Ft-
@
t-rt)
?FU2038
Check for continuity between the control
relay No.1 and the control relay No.2.
.
Control relay No.1 connector:
Disconnected
r
Control relay No.2 connector:
Disconnected