WIPER AND WASHER SYSTEM Headlight Cleaner Switch Circuit

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following procedure.

DESCRIPTION

This circuit detects the conditions of the headlight cleaner switch.


WIRING DIAGRAM

A01WVRCE02

PROCEDURE


  1. CHECK HEADLIGHT ASSEMBLY (LO BEAM)


    1. Check that the headlights illuminate in LO beam.

      OK
      Headlights illuminate in LO beam

    NG

    GO TO LIGHTING SYSTEM Click here

    OK

  2. INSPECT COMBINATION SWITCH ASSEMBLY (HEADLIGHT CLEANER SWITCH)


    1. Remove the combination switch assembly (headlight cleaner switch ) Click here.

    2. Inspect the combination switch assembly (headlight cleaner switch ) Click here.


    NG

    REPLACE COMBINATION SWITCH ASSEMBLY (HEADLIGHT CLEANER SWITCH) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH - HEADLIGHT ECU SUB-ASSEMBLY AND MAIN BODY ECU)


    1. Disconnect the E125 combination switch connector.

    2. Disconnect the A65 headlight ECU connector.

    3. Disconnect the 2J main body ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A65-6 (SW2) - E125- (B) Always Below 1 Ω
      E125-14 (L) - 2J-15 (HRLY)
      A65-6 (SW2) - Body ground Always 10 kΩ or higher
      E125- (B) - Body ground
      E125-14 (L) - Body ground
      2J-15 (HRLY) - Body ground

    OK

    GO TO PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR