Windshield Wiper Motor Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the windshield wiper arm and blade. See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .
Remove the cowl grille. See COWL GRILLE REMOVAL/INSTALLATION .
Remove the cover. See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION .
Disconnect the windshield wiper motor connector.

Connect battery positive voltage to windshield wiper motor terminal A or B, and ground to terminal D, then verify that the windshield wipers operate as shown in the table.

If the windshield wipers do not operate as indicated in the table, replace the windshield wiper motor.

VOLTAGE SPECIFICATION

Terminal connected to battery positive voltage	Operation condition
A	LO
B	HI

Fig 1: Windshield Wiper Motor Circuit Diagram

Courtesy of MAZDA MOTORS CORP.

Disconnect battery positive voltage from the motor terminal A while the wipers are operating.
Verify that the wipers do not stop in the park position.
Short between the motor terminals A and C, and connect battery positive voltage to the motor terminal E.
Verify that the wipers operate at low speed again, then stop in the park position.
- If there is any malfunction, replace the windshield wiper motor.