Lexus ES: ECU Malfunction (B1003)
DESCRIPTION
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
B1003 | ECU Malfunction | A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. | Central gateway ECU (network gateway ECU) | - |
PROCEDURE
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes.
Body Electrical > Central Gateway > Trouble Codes
Result | Proceed to |
DTC B1003 is not output from the central gateway ECU (network gateway ECU) | A |
DTC B1003 is output from the central gateway ECU (network gateway ECU) | B |
A | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
DIAGNOSTIC TROUBLE CODE CHART Diagnostic Trouble Code Chart DTC No. Detection Item Trouble Area Link B1003 ECU Malfunction Central gateway ECU (network gateway ECU)
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for ea
SEE MORE:
DESCRIPTION If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode. If power window initialization has not been performed, the auto up and down functions will not operate. Click here WIRING DIAGRAM C
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C061012 Right Electric Parking Brake Actuator Control Circuit Short to Battery
Diagnosis Condition:
Electric parking brake not operating
Malfunction Status:
The ECU power supply is normal bu
© 2016-2024 Copyright www.lexguide.net