Inspection 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.
3. Check that washer fluid flows from the washer jar.

   OK: Washer fluid is pumped from the washer jar. 

Fig 1: Checking Washer Fluid Flows Of Washer Jar
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY  (See HEADLIGHT CLEANER MOTOR  )

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.

   Standard Voltage 

   TESTER CONNECTION TESTER CONNECTION CHART
   
   

   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

Fig 2: Identifying A3 Headlight Cleaner Control Relay Connector Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )