Headlight Cleaner Motor and Relay Circuit: Procedure

1. Disconnect the connector from the headlight cleaner motor and pump assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Connect the positive (+) battery lead to terminal 1 of the headlight cleaner motor and pump assembly, and the negative (-) battery lead to terminal 2.

   OK

   Operation sounds are heard.

NG → REPLACE HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY 

OK: Go to next step 

1. Connect the headlight cleaner motor and pump assembly connector.
2. Disconnect the A3 headlight cleaner control relay connector.
3. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard voltage

   Tester Connection	Condition	Specified Condition
   A3-3 (IG) - A3-4 (E)	Engine switch off	Below 1 V
   	Engine switch on (IG)	10 to 14 V
   A3-6 (PB) - A3-4 (E)	Always	10 to 14 V

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

OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE