WIPER AND WASHER SYSTEM(w/o Rain Sensor) Headlight Cleaner Switch Circuit

DTC Code DTC Name
Headlight Cleaner Switch Circuit

DESCRIPTION

This circuit detects the conditions (on or off) of the headlight cleaner switch assembly.

WIRING DIAGRAM

E282049E01

CAUTION / NOTICE / HINT

Note:

First check that the low beam headlights operate normally.

PROCEDURE

  1. INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY

    1. Remove the headlight cleaner switch assembly.

      Click here

    2. Inspect the headlight cleaner switch assembly.

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE HEADLIGHT CLEANER SWITCH ASSEMBLY

    Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY AND MAIN BODY ECU)

    1. Disconnect the G54 headlight cleaner switch assembly connector.

    2. Disconnect the A32 headlight cleaner control relay connector.

    3. Remove the main body ECU (multiplex network body ECU).

      Click here

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G54-8 - A32-2 (H)

      Always

      Below 1 Ω

      G54-8 or A32-2 (H) - Body ground

      Always

      10 kΩ or higher

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G54-5 or A-15 (HRLY) - Body ground

      Always

      11 to 14 V

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR