WIPER AND WASHER SYSTEM, Diagnostic DTC:B1370

DTC Code DTC Name
B1370 ECU Malfunction

DESCRIPTION

This DTC is stored when the windshield wiper motor assembly detects an internal malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from
B1370 ECU Malfunction

    Detection condition:

  • Battery voltage is 9.5 V or more


    Malfunction Status:

  • A malfunction is detected for during the windshield wiper motor assembly self-check.


    Malfunction Time:

  • 10 seconds or more

 Windshield wiper motor assembly ○ Windshield wiper motor assembly

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Wiper / Trouble Codes.

    5. Clear the DTCs.


      Body Electrical > Wiper > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Wait 10 seconds or more.

    4. Turn the GTS on.

    5. Enter the following menus: Body Electrical / Wiper / Trouble Codes.

    6. Check for DTCs.


      Body Electrical > Wiper > Trouble Codes
      Result
      Result Proceed to
      DTC B1370 is not output A
      DTC B1370 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY Click here