Downloaded from www.Manualslib.com manuals search engine CIRCUIT DIAGRAMS - Windshield Wiper and Washer Circuit315
OPERATION/
LlWhen the wipe: switch is placed in the OFF
l When the wiper switch is placed in the LO
position, the cam contacts of wiper motor causesposition with the ignition switch in the ACC orcurrent to flow through the auto wiper stop
ON position, wipers operate continuously at lowcircuit, allowing the wiper blades to cycle before
speed.they reach to the stop position.
l Placing the wiper switch in the HI position
causes the wipers to operate at high speed.
lIf the washer switch is on for 0.6 second or
less when the ignition switch is at ON or ACC
lIf the wiper switch is turned to the INT positionwith the wiper switch turned off, the washer
when the ignition switch is in the ON or ACCliquid will not be poured but transistor will be
position, the voltage value from the intermittentturned on to operate the wipers one time.
variable volume switch is input to intermittent
’time detection circuit.
l 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.lIf the washer switch is on for 0.6 second or
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.
TROUBLESHOOTING HINTS
L
PhenomenonWipers do not operate Washer does not operate.
continuously
Washer operates.Inspecting method
lCheck the multi-purpose fuse No. 9l Check the wiper motor. (Refer to GROUPS-Windshield
Wiper and Washer.)l Check the column switch. (Refer to GROUPS-Windshield
Wiper and Washer.)Low-speed (or high-speed) wiper operation only is l
inoperative.Check the column switch. (Refer to GROUP51-Windshield Wiper and Washer.)
Wipers do not operate intermittently.
(They operate continuously.)lCheck the wiper switch “INT” input signal. (Refer
to GROUP
51-Troubleshooting.)l Check the column switch. (Refer to GROUPS-Windshield
Wiper and Washer.)
Wipers do not stop.lCheck the wiper switch “INT” input signal. (Refer
to GROUP
51-Troubleshooting.)l Check the column switch. (Refer to GROUP
51-Windshield Wiper and Washer.)
o Check the wiper motor. (Refer to GROUP
51-Windshield Wiper and Washer.)The intermittent time will not vary even if the variable l
intermittent wiper control switch is operated.
Check the variable intermittent wiper control switch
input signal. (Refer to GROUP S-Troubleshooting.)l Check the column switch. (Refer to GROUP
51-Windshield Wiper and Washer.)
Even if the washer switchThe wipers linked with the lCheck the washer motor. (Refer to GROUP
is on for 0.6 second or
washer operate.51-Windshield Wiper and Washer.)
more,. the washer will notlCheck the washer nozzle and washer tube.
operate.The wipers linked with the lCheck the washer switch input signal.
washer do not operate.l Check the washer switch. (Refer to GROUP51-Windshield Wiper and Washer.)
1 TSB Revision
Downloaded from www.Manualslib.com manuals search engine CIRCUIT DIAGRAMS - Rear Wiper and Washer Circuit
COMPONENT LOCATION
OPERATION
0 When the rear wiper switch is placed in the
ON position with the ignition switch in the ACC
or ON position, wipers operate continuously at
low speed.
l
When the rear wiper switch is placed in the
OFF position, the cam contains 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 positions.
i
l
When the rear wiper switch is placed in the
INT position with the ignition switch in ACC
or ON position, the rear intermittent wiper relay
is energized causing the rear intermittent wiper
relay contacts to close and open repeatedly.l
When the contacts are closed, the wiper motor
is energized.l
When the rear wiper motor is energized, the
rear intermittent wiper relay contacts open;
however, the cam contacts keep the rear wiper
motor energized until the wiper blades return
to their stop position.
TROUBLESHOOTING HINTS
1. Wipers do not operate.
(1) Washer is not operative, either.l
Check multi-purpose fuse No. 9.l
Check ground.
2.Low-speed wiper operation only is inoperative.l
Check wiper switch.
3. Wipers do not stop.l
Check wiper motor.l
Check rear intermittent wiper relay.l
Check rear wiper switch.
4. Intermittent wiper operation is inoperative.l
Check terminal voltage of the rear
intermittent wiper relay energized.
(Refer to GROUP 51-Windshield Wiper and
Washer for information concerning the
installation position of the intermittent wiper
relay.)
Terrr$al 1 Voltage
I
12v
0 3-b 12v
1 (alternating)
5. Washer is inoperative.l
Check washer motor.l
Check washer switch.
Check
Rear intermittent
1 TSB Revision
