DTC U3000:4B [ELECTRIC POWER STEERING (EPS) CONTROL MODULE]

id0602a6816400

Warning

• The Electric Power Steering (EPS) control module temperature could become high and may cause a burn. Before performing the work, verify that the steering column is cold.

Outline

System malfunction location

Electric Power Steering (EPS) control module

Detection condition

•  Abnormal temperature in Electric Power Steering (EPS) control module is detected

Fail-safe

•  Refer to “Fail-safe Function Table”. (See DTC TABLE [ELECTRIC POWER STEERING (EPS) CONTROL MODULE].)

Possible cause

•  Due to the continuously static steering, being turned to the lock end, or other causes, the internal temperature of the Electric Power Steering (EPS) control module is more than the specified value.

•  Electric Power Steering (EPS) control module malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

ALLOW VEHICLE TO COOL DOWN

•  Switch the main power OFF and allow the vehicle to cool down.

Go to the next step.

Repair completion verification 1

VERIFY DTC TROUBLESHOOTING COMPLETED

•  Using the M-MDS, clear the DTC from the Electric Power Steering (EPS) control module.
(See CLEARING DTC.)

•  Using the M-MDS, perform the Electric Power Steering (EPS) control module DTC inspection.
(See DTC INSPECTION.)

•  Is the same Pending DTC present?

Yes

Replace the Electric Power Steering (EPS) control module.

(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

No

Go to the next step.

Repair completion verification 2

VERIFY NO DTC IS PRESENT

•  Are any DTCs present?

Yes

Go to applicable DTC inspection.

(See DTC TABLE [ELECTRIC POWER STEERING (EPS) CONTROL MODULE].)

No

DTC troubleshooting completed.

System malfunction location		Electric Power Steering (EPS) control module
Detection condition		• Abnormal temperature in Electric Power Steering (EPS) control module is detected
Fail-safe		• Refer to “Fail-safe Function Table”. (See DTC TABLE [ELECTRIC POWER STEERING (EPS) CONTROL MODULE].)
Possible cause		• Due to the continuously static steering, being turned to the lock end, or other causes, the internal temperature of the Electric Power Steering (EPS) control module is more than the specified value. • Electric Power Steering (EPS) control module malfunction
System wiring diagram		Not applicable
Connector diagram		Not applicable

Step	Inspection	Results	Action
1	ALLOW VEHICLE TO COOL DOWN • Switch the main power OFF and allow the vehicle to cool down.		Go to the next step.
Repair completion verification 1	VERIFY DTC TROUBLESHOOTING COMPLETED • Using the M-MDS, clear the DTC from the Electric Power Steering (EPS) control module. (See CLEARING DTC.) • Using the M-MDS, perform the Electric Power Steering (EPS) control module DTC inspection. (See DTC INSPECTION.) • Is the same Pending DTC present?	Yes	Replace the Electric Power Steering (EPS) control module. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	VERIFY NO DTC IS PRESENT • Are any DTCs present?	Yes	Go to applicable DTC inspection. (See DTC TABLE [ELECTRIC POWER STEERING (EPS) CONTROL MODULE].)
Repair completion verification 2	VERIFY NO DTC IS PRESENT • Are any DTCs present?	No	DTC troubleshooting completed.