Washer Signal Circuit [08/2015 - 08/2019]: Procedure

1. Check the operation of the front wiper and washer system (Refer to SYSTEM DESCRIPTION [08/2015 - 08/2019] ).

   OK

   Front wiper and washer system operates normally.

Result: 

NG 

GO TO PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

Result: 

OK 

See step  2

1. Disconnect the A32 headlight cleaner control relay connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   A32-5 (FRWA) - Body ground	Engine switch on (IG), front washer switch on	Below 1 V
   A32-5 (FRWA) - Body ground	Engine switch on (IG), front washer switch off	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

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

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR