Headlight Cleaner Motor and Relay Circuit: Procedure

HINT: 

This check should be performed with the headlight cleaner motor and pump assembly installed on the washer jar.

1. Fill the washer jar with washer fluid.
2. Connect a battery positive (+) lead to terminal 2 of the headlight cleaner motor and pump assembly, and a battery negative (-) lead to terminal 1.
   Fig 1: Identifying Headlight Cleaner Motor And Pump Assembly Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that washer fluid flows from the washer jar.

   OK

   Washer fluid is pumped from the washer jar.

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Headlight Cleaner Motor and Pump Assembly)

NG → See step   4 

OK: Go to next step 

1. Connect the A42 headlight cleaner motor and pump assembly connector.
2. Disconnect the A43 headlight cleaner control relay connector.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A43-6 (PB) - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   3