IG Power Source Circuit: Procedure

1. Disconnect the A44 headlight cleaner control relay connector.
   Fig 1: Identifying Harness And Connector (Headlight Cleaner Control Relay - Battery And Body Ground)

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A44-3 (IG) - Body ground	Power switch off	Below 1 V
   	Power switch on (IG)	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A44-4 (E) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Headlight Cleaner Control Relay)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2