Front Wiper Motor: Inspection

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

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