DTC U3003:17 [ELECTRIC POWER STEERING (EPS)]

id0602a1810100

DTC U3003:17
Battery power supply
DETECTION CONDITION
•  Voltage of 17.5 V or more detected by EPS control module internal battery voltage observation.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe Function Table”. (See DTC TABLE [ELECTRIC POWER STEERING (EPS)].)
POSSIBLE CAUSE
•  Generator malfunction
•  Poor connection at connectors
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
INSPECT GENERATOR
•  Inspect the generator and drive belt.
•  Are the generator and drive belt normal?
Yes
Go to the next step.
No
Repair or replace the generator and/or drive belt, then go to Step 3.
(See GENERATOR REMOVAL/INSTALLATION [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)].)
(See GENERATOR REMOVAL/INSTALLATION [WITH i-ELOOP (SKYACTIV-G 2.5T)].)
(See DRIVE BELT REMOVAL/INSTALLATION [SKYACTIV-G 2.5T].)
2
INSPECT WHETHER MALFUNCTION IS CAUSED BY POOR CONNECTION OF EPS CONTROL MODULE OR PIN DEFORMATION
•  Switch the ignition OFF.
•  Inspect connection of the EPS control module and wiring harness.
•  Disconnect the EPS control module connector.
•  Inspect whether malfunction is caused by poor connection of EPS control module or pin deformation.
•  Are the connector connection, connector pins, and wiring harness normal?
Yes
Go to the next step.
No
Repair or replace the faulty connector wiring harness, then go to the next step.
3
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the EPS control module.
•  Using the M-MDS, perform the EPS control module DTC inspection.
•  Is the same DTC present?
Yes
Replace the EPS control module, then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
No
Go to the next step.
4
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to applicable DTC inspection.
(See DTC TABLE [ELECTRIC POWER STEERING (EPS)].)
No
DTC troubleshooting completed.