Rear Wiper and Washer

WIPER OPERATION

Power Supply and Ground
Power is supplied at all times
- through 10 A fuse [No.5, located in the fuse block (J/B)]
- to rear wiper amp. terminal 1.

With ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No.29, located in the fuse block (J/B)]
- to rear wiper amp. terminal 2.

When the glass hatch switch is OPEN, ground is supplied
- to rear wiper amp. terminal 12
- from glass hatch switch terminal 1.

Then washer motor and wiper motor is interrupted.
(If the glass hatch is opened, no function of rear wiper motor will operate.)

Ground is supplied
- to rear wiper amplifier terminal 3
- through body grounds B11, B22 and D210.

Rising Up Operation
When the rear wiper switch is turned to the ON position, ground is supplied
- through terminal 22 of rear wiper switch
- to rear wiper amp. terminal 15.

When the rear wiper switch is turned to the INT position, ground is supplied
- through terminal 21 of rear wiper switch
- to rear wiper amp. terminal 14.

Then power is supplied
- through rear wiper amp. terminal 5
- to rear wiper motor terminal 4.

Ground is supplied
- through rear wiper motor terminal 3
- to rear wiper amp. terminal 8.

With power and ground supplied,rear wiper operates and rear wiper arm moves up.
Wiper does not return to resting position until wiper switch is turned to OFF position.

Low Speed Wiper Operation
When the rear wiper switch is placed in the ON position, ground is supplied
- to rear wiper amp. terminal 15
- from body grounds
- through rear wiper switch terminals 22 and 24.

With power and ground supplied, the wiper motor operates at low speed.
Auto Stop Operation
With rear wiper switch turned OFF, rear wiper motor will continue to operate until wiper arms reach rear wiper stopper.
When wiper arm is not located at rear wiper stopper with wiper switch OFF ground is provided
- to rear wiper amp. terminal 7
- through wiper motor terminals 7 and 8
- from body grounds B11, B22 and D210.

Then, power continues to be supplied
- through rear wiper amp. terminal 5
- to rear wiper motor terminal 4.

Ground continues to be supplied
- through rear wiper motor terminal 3
- to rear wiper amp. terminal 8.

With power and ground supplied, rear wiper continues to operate.
When wiper arms reach rear wiper stopper, ground is interrupted
- to rear wiper amp. terminal 7
- from body grounds.

Rear wiper motor will then stop wiper arms at the PARK position.

Intermittent Operation
The rear wiper motor operates the wiper arms at low speed approximately every 7 seconds. This feature is
controlled by the wiper amp.
When the wiper switch is placed in the INT position, ground is supplied
- to wiper amp. terminal 14
- from rear wiper switch terminal 21
- through body grounds E13 and E41.

Then, power is supplied
- through rear wiper amp. terminal 5
- to rear wiper motor terminal 4.

Ground is supplied
- through rear wiper motor terminal 3
- to rear wiper amp. terminal 8.

The rear wiper motor operates at low speed intermittent.

WASHER OPERATION
When the rear wiper switch is turned to WASH position, ground is supplied
- to rear wiper amp. terminal 13
- through terminals 23 and 24 of rear wiper switch
- through body grounds E13 and E41.

Then, power is supplied
- through rear wiper amp. terminal 9
- to rear washer motor terminal 2.

Ground is supplied
- through body grounds E13 and E41
- to rear washer motor terminal 1.
With power and ground supplied, the rear washer motor operates.
When the rear wiper switch is turned to WASH position for one second or more, the rear wiper motor operates at low speed for approximately 3 seconds after the rear wiper switch is released. This feature is controlled by the rear wiper amp. in the same manner as the intermittent operation.