wipers MITSUBISHI SPYDER 1990 Service Repair Manual

EXTERIOR Wiper and .
WINDSHIELD WIPER ANDWASHER
GENERAL
OPERATION
Low-speed (and high-speed) wiper operation
l When the wiper switch is placed in the LO
position with the ignition switch in the ACC
or ON position, wipers operate continuously
at low speed.
l Placing the wiper switch in the HI position
causes the wipers to operate at high speed.
Auto wiper stop operation
lWhen the wiper switch is placed in the OFF 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 positions.
Intermittent wiper operation
l When the wiper switch is placed in the
position with the ignition switch in ACC or ON
position,the intermittent wiper relay is
energized causing the intermittent wiper relay
contacts to close and open repeatedly.
lWhen the contacts are closed, motor
is energized.
lWhen the wiper motor is energized, the
contacts open; however, the
the wiper motor energized until the wiper
return to their stop position.
W a s h e r - w i p e r o p e r a t i o n -
l When the washer switch
ON, the
intermittent wiper relay causing
wipers to cycle’ one to two times.
Remark
lThe washer-wiper operates in the priority even
during intermittent operation of the wiper.
Washer fluid level warning light
lWhen the washer fluid level goes down below
a predetermined level with the ignition switch
in ON position, the washer level switch makes
the washer fluid level warning light illuminate.
SERVICE SPECIFICATION51100030140
Item
Windshield wiper blade installation position mm (in .)Standard value(A):
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EXTERIOR Windshield and Washer
TROUBLESHOOTING
TROUBLESHOOTING HINTS1. Wipers do not operate. 1) Washer is not operative, either.l Check multi-purpose fuse No. 9.
l Check ground.
2.Low-speed (or high-speed) wiper operation only
is inoperative.
l Check wiper switch.
3. Wipers do not stop. l Check wiper motor.
l Check intermittent wiper relay.
l Check wiper switch.
4. Intermittent wiper operation is inoperative.
lCheck terminal voltage of steering-column
switch (with a built-in intermittent wiper relay) with the intermittent wiper relay
energezed.
5. The length of pause for intermittent operation
cannot be varied.
l Check variable intermittent. wiper ‘control
switch.
Check intermittent wiper relay.
6. Washer is inoperative. 1) Wiper is operative on washer-wiper
operation.
l
Check washer motor.
2)Washer-wiper operation’is inoperative also.
l Check washer switch.
7. Washer-wiper
is inoperative.
l Check intermittent wiper relay.
Terminal No.
8
Voltage
o v
Battery positive voltage
positive voltage (alternating)
C h e c k
Intermittent wiper relay or wiper switch
Intermittent wiper relay
(Normal)
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EXTERIOR Rear Wiper and Washer
REAR WIPER AND WASHER51100010045
GENERAL
OPERATION
Low-speed wiper operationI n t e r m i t t e n t w i p e r
,
l
When the wiper switch is placed in the ON
(LO) position with the ignition switch in the ACC
or ON position, the wiper operates continuously
at low speed.
Auto wiper stop operation
lWhen the wiper switch is placed in the OFF 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 positions. l
When the wiper switch
placed in the
position with the ignition switch in ACC or ON
position, the intermittent relay is turned
on and off.
lWhen the contacts are closed, the wiper motor
is energized.
lWhen the wiper motor is energized, the relay
contacts open; however, the cam contacts keep
the wiper motor energized until the wiper blades
return to their stop position.
SERVICE SPECIFICATION
I Standard valueI
Rear wiper blade installation position mm (in.)I
TROUBLESHOOTING51100070043
TROUBLESHOOTING HINTS
1. Wipers does not operate. 1) Windshield wiper is not operative, either.
l Check the multi-purpose fuse No. 9.
2. Low-speed wiper operation is inoperative. l Check the wiper switch.
3. Intermittent wiper operation is inoperative.
lCheck terminal voltage of wiper switch (with
a built-in intermittent wiper relay) with the intermittent wiper relay energezed. (see
table below.)
4. Wiper does not stop. l Check the wiper motor.
l Check the intermittent wiper relay.
l Check the wiper switch.
5. Washer is inoperative. 1) Wiper is operative.l Check the washer motor.
l Check the washer switch.
Terminal No. Voltage Check
6
Battery positive voltage
O-Battery positive voltage (alternating)
Intermittent wiper relay or rear wiper switch
Intermittent wiper relay
(Normal)
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