Troubleshooting Hints - Mitsubishi MOTORS 3000GT Bedienungsanleitung

CIRCUIT DIAGRAMS
OPERATION
<Low-speed (and high-speed) wiper>
When the wiper switch is placed in the LO
l
position with the ignition switch in the ACC or
ON position, wipers operate continuously at low
speed.
Placing the wiper switch in the HI position
l
causes the wipers to operate at high speed.
<Intermittent wiDer>
If the wiper switch is turned to the INT position
l
when the ignition switch is in the ON or ACC
position, the voltage value from the intermittent
variable volume switch is input to intermittent
time detection circuit.
The intermittent time detection circuit outputs
l
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.

TROUBLESHOOTING HINTS

Phenomenon
Wipers do not operate Washer does not operate.
continuously
Low-speed (or high-speed) wiper operation only is
inoperative.
Wipers do not operate intermittently.
(They operate continuously.)
Wipers do not stop.
The intermittent time will not vary even if the variable
intermittent wiper control switch is operated.
Even if the washer switch
is on for 0.6 second or
more,. the washer will not
operate.
Washer operates.
The wipers linked with the
washer operate.
The wipers linked with the
washer do not operate.
<Auto wiper stop>
When the wipe: switch is placed in the OFF
l
position, the cam contacts of wiper motor causes
current to flow through the auto wiper stop
circuit, allowing the wiper blades to cycle before
they reach to the stop position.
If the washer switch is on for 0.6 second or
l
less when the ignition switch is at ON or ACC
with the wiper switch turned off, the washer
liquid will not be poured but transistor will be
turned on to operate the wipers one time.
If the washer switch is on for 0.6 second or
l
more when the ignition switch is at ON or ACC
with the wiper switch turned off, the washer
liquid will be poured and the transistor will be
turned on 0.6 second later to operate the wipers
two or three times.
Inspecting method
Check the multi-purpose fuse No. 9
l
Check the wiper motor. (Refer to GROUP
l
Check the column switch. (Refer to GROUP
l
Check the column switch. (Refer to GROUP
l
Check the wiper switch "INT" input signal. (Refer
l
to GROUP 51-Troubleshooting.)
Check the column switch. (Refer to GROUP
l
Check the wiper switch "INT" input signal. (Refer
l
to GROUP 51-Troubleshooting.)
Check the column switch. (Refer to GROUP
l
Check the variable intermittent wiper control switch
l
input signal. (Refer to GROUP S-Troubleshooting.)
Check the column switch. (Refer to GROUP
l
Check the washer motor. (Refer to GROUP
l
Check the washer nozzle and washer tube.
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Check the washer switch input signal.
l
Check the washer switch. (Refer to GROUP
l