Washer Motor: Inspection

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

INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
HINT

The following check should be performed with the windshield washer motor and pump assembly installed to the washer jar
1. Fill the washer jar with washer fluid.
2. Connect a positive (+) battery lead to terminal 1 of the washer motor and pump, and a negative (-) lead to terminal 2.
3. Check that washer fluid flows from the washer jar.
  OK: Washer fluid is pumped from the washer jar.
  
  If the result is not as specified, replace the windshield washer motor and pump assembly.
  
  Fig 1: Connecting Positive Battery Lead To Terminal 1 Of Washer Motor And Pump And Negative Lead To Terminal 2
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002