Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001BE1Z
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM (for Gasoline Model): B1370; ECU Malfunction; 2019 - 2022 MY Avalon [04/2018 -        ]

DTC

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

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Wiper / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > Wiper > Clear DTCs

NEXT

2.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Wiper / Trouble Codes.

(f) Check for DTCs.

Body Electrical > Wiper > Trouble Codes

Result

Proceed to

DTC B1370 is not output

A

DTC B1370 is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY