Front Wiper Motor: Inspection: Inspection

INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY

Fig 1: Identifying Windshield Wiper Motor Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check the LO operation.
  1. Connect a battery positive (+) lead to terminal 5 (+1) and a negative (-) lead to terminal 4 (E), and check that the motor operates at low speed (LO).
    OK
    
    Motor operates at low speed (LO).
2. Check the HI operation.
  1. Connect a battery positive (+) lead to terminal 3 (+2) and a negative (-) lead to terminal 4 (E), and check that the motor operates at high speed (HI).
    OK
    
    Motor operates at high speed (HI).
3. Check the automatic stop operation.
  1. Connect a battery positive (+) lead to terminal 5 (+1) and a negative (-) lead to terminal 4 (E). With the motor operating at low speed (LO), disconnect terminal 5 (+1) to stop the wiper motor operation at any position other than the automatic stop position.
  2. Using SST, connect terminals 1 (+S) and 5 (+1). Then connect a battery positive (+) lead to terminal 2 (B) and a negative (-) lead to terminal 4 (E) to restart the motor operation at low speed (LO).
    - SST: 09843-18040
  3. Check that the motor stops automatically at the automatic stop position.
    
    Fig 2: Checking Motor Stops Automatically At Automatic Stop Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    OK
    
    Motor stops automatically at the automatic stop position.
    
    If the result is not as specified, replace the motor assembly.