WINDSHIELD WIPER MOTOR INSPECTION

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L.H.D.

1. Disconnect the windshield wiper motor connector.

2. 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.

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  • If the windshield wipers do not operate as indicated in the table, replace the windshield wiper motor. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.) (See WINDSHIELD WIPER MOTOR DISASSEMBLY/ASSEMBLY.)

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

3. Disconnect battery positive voltage from the motor terminal A while the wipers are operating.

4. Verify that the wipers do not stop in the park position.

5. Short between the motor terminals A and E, and connect battery positive voltage to the motor terminal C.

6. 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. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.) (See WINDSHIELD WIPER MOTOR DISASSEMBLY/ASSEMBLY.)

R.H.D.

1. Disconnect the windshield wiper motor connector.

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

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  • If the windshield wipers do not operate as indicated in the table, replace the windshield wiper motor. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.) (See WINDSHIELD WIPER MOTOR DISASSEMBLY/ASSEMBLY.)

Terminal connected to battery positive voltage | Operation condition
--- | ---
D | LO
E | HI

3. Disconnect battery positive voltage from the motor terminal D while the wipers are operating.

4. Verify that the wipers do not stop in the park position.

5. Short between the motor terminals D and A, and connect battery positive voltage to the motor terminal C.

6. 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. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.) (See WINDSHIELD WIPER MOTOR DISASSEMBLY/ASSEMBLY.)