Sidekick L4-1324cc 1.3L SOHC 5 Carb 8V (1989)
Wiper Motor: Testing and Inspection
Front Wiper System
Automatic Stop Action Test
Refer to Wiper and Washer System/Diagrams during diagnosis and testing procedures.
1.
Connect battery positive terminal to yellow/blue terminal of motor on Sidekick or yellow/black terminal of motor on Swift and battery negative
terminal to black lead wire on motor, then connect a jumper between blue/white and blue terminals of motor.
2.
Motor output shaft should come to a halt at a certain angular position, corresponding to starting position of wiper blade.
3.
Stop motor a number of times, and ensure that motor stops in same position each time.
Brush & Commutator Test
Refer to Wiper and Washer System/Diagrams during diagnosis and testing procedures.
1.
Using a circuit tester, check continuity between blue terminal and black lead wire.
2.
If continuity is poor, check brush to commutator contact area.
3.
If contact area is fouled, use a cloth dampened with gasoline to clean area.
4.
If contact area is coarse or burnt, use a suitable sandpaper to smooth it.
Internal Wiper Relay Test
Refer to Wiper and Washer System/Diagrams during diagnosis and testing procedures.
1.
Disconnect wiper and washer switch electrical connector, then turn wiper switch to ``INT'' position.
2.
Connect battery positive terminal to yellow/white terminal on Sidekick or yellow/blue terminal on Swift and battery negative terminal to black
terminal.
3.
If an operating sound is emitted, relay is operating properly.
No-Load Run Test
Refer to Wiper and Washer System/Diagrams during diagnosis and testing procedures.
1.
Perform low-speed test as follows:
a. Connect battery positive terminal to blue terminal on motor and battery negative terminal to black lead wire on motor.
b. If motor rotates at 45-55 RPM, motor is operating properly.
c. If not, motor is defective, replace motor.
2.
Perform high-speed test as follows:
a. Connect battery positive terminal to blue/red terminal on motor and battery negative terminal to black lead wire on motor.
b. If motor rotates at 68-78 RPM, motor is operating properly.
c. If not, motor is defective, replace motor.
Fig. 1 Troubleshooting Chart
Wiper/Washer Switch Test
Refer to Wiper and Washer System/Diagrams during diagnosis and testing procedures.
