Mitsubishi 3000GT - Intermittent Wiper; Low-Speed Wiper

CIRCUIT DIAGRAMS - Rear Wiper and Washer Circuit
COMPONENT LOCATION
OPERATION
<Low-speed wiper>
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.
<Auto wiper stop>
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
<Intermittent wiper>
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