Lexus ES: ECU Malfunction (B1370)
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 | -
Battery voltage is 9.5 V or more
-
A malfunction is detected for during the windshield wiper motor assembly self-check.
| Windshield wiper motor assembly | ○ | Windshield wiper motor assembly |
PROCEDURE
(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 | | |
(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 |
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