Mitsubishi 1993 3000GT, Technical Information Manual

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ELECTRICAL -
ETACS
INTERMITTENT WIPER
(1) If the wiper switch is turned to the INT position
when the ignition switch is in the ON or ACC
position, the voltage value from the intermittent
variable volume switch is input to the intermittent
time detection circuit.
(2) The intermittent time detection circuit outputs an H
signal at the intermittent time according to the set
value of the intermittent variable volume switch
and, via OR, turns the Tr on and off to operate the
wiper.
MIST WIPER AND WASHER LINKED
WIPER
(1) If the washer switch is turned on when the ignition
switch is in the ON or ACC position and the wiper
switch is off, an H signal is input to the washer
switch ON time detection circuit and, when the
washer switch ON time is less than 0.6 second,
timer circuit I is activated, there is a t second
(washer switch On time) delay, and the Tr is
turned on via OR for one wiper cycle (mist wiper).
(2) When the washer switch ON time is 0.6 second or
more, washer switch timer circuit I I is activated,
there is a 0.6 second delay due to the functioning
of the ON delay timer and the Tr is turned on via
OR for one wiper cycle.
(3) In addition, if the washer switch is turned OFF, the
timer circuit II operates the wiper for 2-3 cycles
after the washer switch is turned OFF since there
is a 2.5-3.8 second delay before the output is
turned off.
(4) During intermittent operation with the wiper switch
in the INT position, the mist wiper and washer
linked wiper operate.