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

    DTC Detection Condition:

  • Power switch on (IG) (IG+ voltage 9.5 V or higher)


    Malfunction Status:

  • Microcomputer malfunction

  • Temperature detection circuit malfunction

  • Angle detection circuit malfunction

  • Wiper motor activation circuit malfunction

  • Current detection circuit malfunction


    Malfunction Duration:

  • Malfunction determined if the status continues for 10 seconds or more

 Windshield wiper motor assembly ○ Windshield wiper motor assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC.

      Click here


      Body Electrical > Wiper > Clear DTCs

    2. Turn the power switch on (IG) and wait for at least 10 seconds.

    3. Check for DTCs.

      Click here


      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