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Windshield Wiper Motor Inspection

Windshield Wiper Motor Inspection

NOTE: Make sure that battery voltage is 12 V or more.

Motor Operation in Low Speed
1. Connect battery positive (+) terminal to terminal "L" and its negative (-) terminal to terminal "E".
2. Check if motor revolution speed is as specification. If check result is not as specified, replace motor.

Specification: 44 - 52 r/min (rpm)

Motor Operation in High Speed
1. Connect battery positive (+) terminal to "H" and its negative (-) terminal to terminal "E".
2. Check if motor revolution speed is as specification. If check result is not as specified, replace motor.

Specification: 64 - 78 r/min (rpm)

Automatic Stop Operation




1. Connect battery positive (+) terminal to terminal "L" and its negative (-) terminal to terminal "E" and let the motor turn.
2. Disconnect terminal "L" from battery positive (+) terminal, and let the motor stop.
3. Connect terminals "L" and "S" with a jumper wire, and connect terminal "B" to battery positive (+) terminal. Observe the motor turns once again then stops at a specified position.
4. Repeat Step 1) to 3) several times and check that the motor stops at the specified position every time.
If check result is not satisfied, replace motor.