Windshield Wiper Motor Inspection

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

Disconnect negative (-) cable at battery.
Remove windshield wiper arms with wiper blades referring to WINDSHIELD WIPER REMOVAL AND INSTALLATION .
Remove cowl top garnish referring to COWL TOP COMPONENTS .
Disconnect coupler from windshield wiper motor.
Reinstall windshield wiper arms with wiper blade. For details, refer to Step 4) of "Installation" in Windshield Wiper Removal and Installation .
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 wiper arm reciprocation speed is as specification. If check result is not as specified, replace motor.
    Specification
    
    44 - 52 r/min (rpm)
    
    Fig 1: Checking Windshield Wiper Motor For Operation
    Courtesy of SUZUKI OF AMERICA CORP.
- 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
    
    64 - 78 r/min (rpm)
    
    Fig 2: Checking Windshield Wiper Motor For Operation At High Speed
    Courtesy of SUZUKI OF AMERICA CORP.
- 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.
    
    Fig 3: Checking Windshield Wiper Motor For Automatic Stop Operation
    Courtesy of SUZUKI OF AMERICA CORP.
  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.