WIPER AND WASHER SYSTEM Washer Signal Circuit

DESCRIPTION

The headlight cleaner control relay receives the windshield washer operation signal.

WIRING DIAGRAM

B001HRBE01
*a from Windshield Wiper Switch Assembly
*b A38 Headlight Cleaner Control Relay

PROCEDURE


  1. CHECK OPERATION


    1. Check the operation of the front wiper and washer system Click here.

      OK
      Front wiper and washer system operates normally.

    NG

    GO TO PROBLEM SYMPTOMS TABLE Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY)


    1. B001GQHE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Headlight Cleaner Control Relay)

      Disconnect the A38 headlight cleaner control relay connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A38-5 (FRWA) - Body ground Ignition switch ON, front washer switch on Below 1 V
      A38-5 (FRWA) - Body ground Ignition switch ON, and front washer switch off 11 to 14 V

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR