DYNAMIC RADAR CRUISE CONTROL SYSTEM Wiper Signal Circuit

DTC Code DTC Name
Wiper Signal Circuit

DESCRIPTION

When the driving support ECU detects that the wipers are operating at high speed, the dynamic radar cruise control system is canceled.

WIRING DIAGRAM

E200952E05

CAUTION / NOTICE / HINT

Note:

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

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (DRIVING SUPPORT ECU - WINDSHIELD WASHER SWITCH)

    1. Disconnect the G43 driving support ECU connector.

    2. Disconnect the G50 windshield wiper switch connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G43-32 (WIP2) - G50-9 (+2)

      Always

      Below 1 Ω

      G43-32 (WIP2) - Body ground

      Always

      10 kΩ or higher

    Result

    Result

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK WINDSHIELD WIPER SWITCH ASSEMBLY

    E205556C01

    *a

    Component with harness connected(Windshield Wiper Switch Assembly)

    1. Remove the windshield wiper switch with its connector still connected

      Click here

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G50-9 (+2) - Body ground

      Engine switch on (IG), windshield wiper switch Hi

      11 to 14 V

      G50-9 (+2) - Body ground

      Engine switch on (IG), windshield wiper switch Lo

      Approximately 9 V

      G50-9 (+2) - Body ground

      Engine switch on (IG), windshield wiper switch off

      Below 1 V

    Result

    Result

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    NG

    REPLACE WINDSHIELD WASHER SWITCH ASSEMBLY

    Click here