DTC U3004:49 [EPS CONTROL MODULE]

id060230811900

DTC

U3004:49

EPS control module

DETECTION CONDITION

•  Power relay internal malfunction detected in EPS control module

FAIL-SAFE FUNCTION

•  Power steering malfunction indicator light Illuminates

•  EPS motor current control disabled

POSSIBLE CAUSE

•  Power relay malfunction in EPS control module

SYSTEM WIRING DIAGRAM

—

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY EPS CONTROL MODULE DTC

•  Using the M-MDS, clear the DTC from the EPS control module.
(See CLEARING DTC [EPS CONTROL MODULE].)

•  Using the M-MDS, perform the EPS control module DTC inspection.
(See DTC INSPECTION [EPS CONTROL MODULE].)

•  Is the same DTC present?

Yes

Replace the steering column.

(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

No

Go to the next step.

2

VERIFY NO DTC IS PRESENT

•  Are any DTCs present?

Yes

Go to applicable DTC inspection.

(See DTC TABLE [EPS CONTROL MODULE].)

No

DTC troubleshooting completed.

DTC	U3004:49	EPS control module
DETECTION CONDITION		• Power relay internal malfunction detected in EPS control module
FAIL-SAFE FUNCTION		• Power steering malfunction indicator light Illuminates • EPS motor current control disabled
POSSIBLE CAUSE		• Power relay malfunction in EPS control module
SYSTEM WIRING DIAGRAM		—

Step	Inspection		Action
1	VERIFY EPS CONTROL MODULE DTC • Using the M-MDS, clear the DTC from the EPS control module. (See CLEARING DTC [EPS CONTROL MODULE].) • Using the M-MDS, perform the EPS control module DTC inspection. (See DTC INSPECTION [EPS CONTROL MODULE].) • Is the same DTC present?	Yes	Replace the steering column. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
1		No	Go to the next step.
2	VERIFY NO DTC IS PRESENT • Are any DTCs present?	Yes	Go to applicable DTC inspection. (See DTC TABLE [EPS CONTROL MODULE].)
2	VERIFY NO DTC IS PRESENT • Are any DTCs present?	No	DTC troubleshooting completed.