Headlight Cleaner Motor and Relay Circuit: Procedure

HINT: 

The following check should be performed with the headlight cleaner 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 headlight cleaner motor and pump assembly, and a negative (-) battery lead to terminal 2.

   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.

NG → See step   4 

OK: Go to next step 

1. Connect the headlight cleaner motor and pump assembly connector.
2. Disconnect the A3 headlight cleaner control relay connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A3-3 (IG) - A3-4 (E)	Engine switch off	Below 1 V
   	Engine switch on (IG)	11 to 14 V
   A3-6 (PB) - A3-4 (E)	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (HEADLIGHT CLEANER CONTROL RELAY - BATTERY) 

OK → See step   3