Mitsubishi 1989-1993 GALANT Service Manual page 219

FUEL SYSTEM <SOHC-8 VALVE> -
I G N I T I O N S W I T C H - S T < M / T >
Engine control module connector
I
OPERATION
l The ignition switch-ST inputs HIGH-level signals
to the engine control module during engine
cranking. The engine control module, based on
those signals, regulates fuel injection during
starting, etc.
INSPECTION
Using Scan tool
Function
Data reading 18
HARNESS INSPECTlON
01 LO838
Inspection conditions
Ignition switch: ON
Switch status
Measure the input voltage to the en-
Engine control
gine control module.
module harness
side connector
. Engine control module connector:
Disconnected
TSB Revision
Ignition switch (ST)
Engine
control
module
l When the ignition switch is set to START, the
battery voltage during
way of the ignition switch, applied to the engine
control module, and the engine control module
thus
detects the fact that the engine
Engine
Stopping
Cranking
engine cranking is, by
is cranking.
Normal indication
OFF
ON
Repair the
harness.
Ground)