Quest Minivan XE V6-2960cc 3.0L SOHC MFI (VG30E) (1998)
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Wiper and Washer Systems: Description and Operation
Rear Wiper and Washer System Description
Except For Glass Hatch Model
With the ignition switch in the ACC or ON position, power is supplied:
^
through 10 A fuse (No. [9], located in the fuse block)
^
to rear wiper amplifier terminal (7)
^
to rear wiper motor terminal (1) and
^
to rear washer motor terminal (1).
Ground is supplied:
^
to rear wiper amplifier terminal (6) and
^
to rear wiper switch terminal (3)
^
through body grounds M5, M78 and M123.
Ground is also supplied:
^
to rear wiper motor terminal (2)
^
through body ground B104.
WIPER OPERATION
When the rear wiper switch wiper is in the ON position, ground is supplied:
^
to rear wiper amplifier terminal (1)
^
through rear wiper switch terminal (1).
An intermittent ground is then supplied:
^
to rear wiper motor terminal (3)
^
through rear wiper amplifier terminal (4)
^
to rear wiper amplifier terminal (6)
^
through body grounds M5, M78 and M123.
With power and ground supplied, the rear wiper motor operates intermittently, with approximately a 15 seconds interval between cycles.
WASHER OPERATION
When the rear wiper switch washer is in the ON position, ground is supplied:
^
to rear washer motor terminal (2) and
^
to rear wiper amplifier terminal (5)
^
through rear wiper switch terminal (2).
With power and ground supplied, the rear wiper and rear washer motor operates until the rear window wiper switch is released from the ON
position. If the switch is pressed momentarily, the rear wiper motor will cycle three times.
AUTO STOP OPERATION
When the rear wiper switch is placed in the OFF position, the rear wiper motor will continue to operate until the rear wiper arm reaches the base
of the glass.
When the rear wiper switch is placed in the OFF position, the rear wiper amplifier no longer supplies a ground circuit to the rear wiper motor. The
ground circuit is now routed through the rear wiper motor terminal (2). This allows the wiper motor to operate until the rear wiper arm reaches the
base of the glass. The rear wiper motor ground is interrupted when the rear wiper arm reaches the base of the glass, and the rear wiper motor stops.
For Glass Hatch Model
Power is supplied at all times:
^
through 10 A fuse (No. [2], located in the fuse block)
^
to rear wiper motor terminal (2).
With the ignition switch in the ACC or ON position, power is supplied:
^
through 10 A fuse (No. [9], located in the fuse block)
^
to rear washer motor terminal (1) and
^
rear wiper motor terminal (5).
Ground is supplied:
^
to glass hatch latch switch terminal (2) and
^
rear wiper motor terminal (4)
^
through body ground B104.
