Mitsubishi 1989-1993 GALANT Service Manual page 398

FUEL SYSTEM <DOHC> -
HARNESS INSPECTION
connector
connector
5 4 3 2 -
109
connector
Engine control
Measure the ignition switch terminal
module harness
input voltage.
. Engine control module connector:
Disconnected
. Ignition swatch: ON
Measure the power supply voltage of
the multioort fuel iniection relav.
. Connector: Disconnected
Battery positive voltage
Engine control
Check for an open-circuit, or a short-
module harness
circuit to ground, between the engine
control module and the multiport fuel
injection relay.
. Engine control module connec-
tor: Disconnected
. Multiport fuel injection relay con-
Engine control
Check for an open-circuit, or a short-
module harness
circuit to ground, between the engine
side connector
control module and the multiport fuel
injection relay.
. Multiport fuel injection relay con-
nector: Disconnected
. Engine control module connec-
tor: Disconnected
TSB
Revision
On-Vehicle Inspection of MFI Components
Voltage (V)
I
Repair the
harness.
(Ignition
switch -
Repair the
harness.
Repair the
harness.
Repair the