Mitsubishi MOTORS Laser 1991, Service Manual, Page: 256 / 320

1. Wipers operate.
When the rear wiper switch is placed in the ON
Washer is not operative,
position with the ignition switch in the ACC or ON
l Check multi-purpose fuse No.
position, wipers operate continuously at low
l Check ground.
speed.
2. Low-speed wiper operation
Check wiper switch.
When the rear wiper switch is placed in the OFF’
position, the cam contacts of wiper motor causes
wiper motor.
current to flow through the auto wiper stop
Check rear intermittent wiper relay.
circuit, allowing the wiper blades to cycle before
Check rear wiper switch.
they reach to the stop positions.
4. Intermittent wiper operation is inoperative.
Check terminal voltage of the rear intermittent
When the rear wiper switch is placed in the
wiper relay energized.
position with the ignition switch in ACC or ON
(Refer to for information concerning
position, the rear intermittent wiper relay is
the installation position of the intermittent
energized causing the rear intermittent wiper
wiper relay.)
relay contacts to close and open repeatedly.
When the contacts are closed, the wiper motor
Terminal
No.
Voltage
Check
is energized.
When the rear wiper motor is energized, the rear
2
Rear intermittent wiper
intermittent wiper relay contacts open; however,
relay or rear wiper switch
the cam contacts keep the rear wiper motor,
energized until the wiper blades return to their,
intermittent wiper
stop position.
(Normal)
(alternating)
5. Washer is inoperative.
Check washer motor.
l Check washer switch.