Mitsubishi 3000GT Service Manual page 178

4
C
A Harness side
7
A Harness side
connector
MULTIPORT
On-Vehicle Inspection of MFI
FUEL INJECTION - Components
Check for continuity between the
relay tetminals.
l MFI relay connector: Discon-
nected
F u e l p u m p c o n n e c t o r : D i s - - 1
connected
Measure the Dower SUDDIV volt-
age of the MF'I relay.
MFI relay connector: Discon-
l
nected
Ignition switch: START (when
l
A9 checked)
l Ignition switch: ON (when A3
checked)
8 V or more
.
Check for an open-circuit, or a
short-circuit to ground between
the MFI relay and the engine con-
trol module.
MFI relay connector:
nected
Engine control module con-
l
Engine control
module har-
ness side
connector
Check for continuity of the ground
circuit.
l MFI relay connector: Discon-
nected
TSB Revision
and the MFI
Discon-
Repair the
harness.
harness.
(Ignition
(Ignition
switch-[ST]
cl
7
Repair the
harness.