Windshield Wiper Motor Inspection

Reference: WINDSHIELD WIPER REMOVAL AND INSTALLATION 

1. Make a mark (1) on windshield wiper motor (2) stop position as shown in figure.
   Fig 1: Identifying Mark On Windshield Wiper Motor

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2. Check windshield wiper motor for operation as follows
   • For motor operation in low speed
     1. Connect battery positive (+) terminal to terminal "1" and its negative (-) terminal to terminal "5".
     2. Check if motor revolution speed is as specification. If check result is not as specified, replace motor.

        Specification 

        41 - 49 r/min (RPM) 

        Fig 2: Checking Windshield Wiper Motor For Motor Operation In Low Speed

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   • For motor operation in high speed
     1. Connect battery positive (+) terminal to "2" and its negative (-) terminal to terminal "5".
     2. Check if motor revolution speed is as specification. If check result is not as specified, replace motor.

        Specification 

        63 - 77 r/min (RPM) 

        Fig 3: Checking Windshield Wiper Motor For Motor Operation In High Speed

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   • For automatic stop operation
     1. Connect battery positive (+) terminal to terminal "1" and its negative (-) terminal to terminal "5" and let the motor turn.
     2. Disconnect terminal "1" from battery positive (+) terminal, and let the motor stop.
     3. Connect terminals "1" and "3" with a jumper wire, and connect terminal "4" to battery positive (+) terminal.

        Observe the motor turns once again then stops at a specified position as shown in figure.

        Fig 4: Checking Windshield Wiper Motor For Automatic Stop Operation

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     4. Repeat Step  a to  c several times and check that the motor stops at the specified position every time.

        If check result is not satisfied, replace motor.