WIPER AND WASHER SYSTEM Headlight Cleaner Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01NGUPE01

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT HEADLIGHT CLEANER CONTROL RELAY (H SIGNAL)


    1. A01NCX9E11
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Headlight Cleaner Control Relay)

      Disconnect the A33 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
      A33-2 (H) - Body ground Light control switch in head and headlight cleaner switch on 11 to 14 V
      A33-2 (H) - Body ground Headlight cleaner switch off Below 1 V

    NG

    INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY Click here

    OK

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

  2. INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY


    1. A01ND75E05
      Text in Illustration
      *1

      Component without harness connected

      (Headlight Cleaner Switch Assembly)

      Remove the headlight cleaner switch assembly Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      2 (L) - 3 (B) Headlight cleaner switch off 10 kΩ or higher
      2 (L) - 3 (B) Headlight cleaner switch on Below 1 Ω

    NG

    REPLACE HEADLIGHT CLEANER SWITCH ASSEMBLY Click here

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR (MAIN BODY ECU - HEADLIGHT CLEANER CONTROL RELAY)