WIPER AND WASHER SYSTEM Headlight Signal Circuit

DESCRIPTION

The headlight cleaner control relay detects the low beam headlights status.

WIRING DIAGRAM

A003UUAE01

INSPECTION PROCEDURE

Note

First check that the low beam headlights operate normally.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - HEADLIGHT CLEANER CONTROL RELAY)


    1. A003SJYE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Headlight Cleaner Control Relay)

      Disconnect the A93 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
      A93-1 (HDLO) - Body ground Light control switch in head position Below 1 V
      Light control switch off 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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