Mitsubishi 3000GT - Page 40

FUEL
-
On-vehicle
lnspection
of MPI
Components
13-35
HARNESS
INSPECTION
Measure
the
power
supply voltage
of
the ignition
coil.
r
Connector.Disconnected
.
lgnition
switch:
oN
Voltage
(V)
SV
Repair
the
harness.
(Oll-
lgni-
tion
switch)
Measure
the
power
supply voltage
of
the ignrtion
coil.
.
Connector:
Disconnected
o
lgnition
switch:
ON
6D
0(
Voltage
(V)
SV
Repair
the
harness.
(@B
-
lgni
-tion
switch)
Check
for
an
open-circuit, or a short-
circuit to
earth between the
engine.
control
unit and the
power
transistor.
o
Engine
control
unit connector:
Dlsconnected
o
Power
transistor
connector:
Dis-
connected
olc
\_-/
OK
Repairthe
hamess.
(@
tr-tr)
Check foran
open-circuit,
or a short-
circuit to
earth between the
power
transistor
and the
ignition
coil.
/,-\.
.
Ln#l:T
coilconnector:
Discon-
PK)
.
Power
transistor
connector: Dis-
connected
Repair
the
harness.
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