WIPER AND WASHER SYSTEM(w/ Rain Sensor) Headlight Cleaner Motor and Relay Circuit

DTC Code DTC Name
Headlight Cleaner Motor and Relay Circuit

DESCRIPTION

The headlight cleaner control relay controls the headlight cleaner motor and pump assembly.

WIRING DIAGRAM

E270597E01

CAUTION / NOTICE / HINT

Note:

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

PROCEDURE

  1. INSPECT HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY

    1. Remove the headlight cleaner motor and pump assembly.

      Click here

    2. Inspect the headlight cleaner motor and pump assembly.

      Click here

    Result

    Proceed to

    OK

    NG

    NG

    REPLACE HEADLIGHT CLEANER WASHER MOTOR AND PUMP ASSEMBLY

    OK
  2. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY AND BATTERY)

    1. Disconnect the A47 headlight cleaner motor and pump assembly connector.

    2. Disconnect the A48 headlight cleaner control relay connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      A47-1 - A48-6 (PB)

      Always

      Below 1 Ω

      A47-1 - Body ground

      Always

      10 kΩ or higher

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      A47-2 - Body ground

      Always

      11 to 14 V

    Result

    Proceed to

    OK

    NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK
  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER CONTROL RELAY - BATTERY AND BODY GROUND)

    1. E139345C03

      *a

      Front view of wire harness connector

      (to Headlight Cleaner Control Relay)

      Disconnect the headlight cleaner control relay connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      A48-4 (E) - Body ground

      Always

      Below 1 Ω

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      A48-3 (IG) - Body ground

      Ignition switch ON

      11 to 14 V

      Ignition switch off

      Below 1 V

    Result

    Proceed to

    OK

    NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR