Chrysler laser 1990 Technical Information Manual page 138

Battery
I
This coil senses generating state of the ignition
signal.
If abnormal condition occurs during engine opera-
tion such as the ignition signal not being generated
- - -
Starter
(Armature)
The inhibitor switch's ON (when "N" or "P") or OFF (when
other than "N" or "P") signals are input to the engine control
unit. The engine control unit, based on these signals, then
determines whether the transaxle is in neutral or is in
range, and then activates the idle-speed control servo so as tc
regulate the idling rpm.
This relay senses that power is supplied to the pump. -
If power failed to be supplied to the fuel pump during er,, .e
cranking or during driving, the engine control unit judges that a
fault has occurred and stores corresponding diagnosis code
(No. 42) in memory and at the sa'me time, causes the engine
alarm lamp (Mulfunction indicator lamp) to come on.
From ignition switch
at ignition timing, The engine control unit stores
corresponding diagnosis code (No. 44) in memoW
and at the same time. causes the engine alarm
Engine control unit
Ignition
signal sens-
ing circuit
a drive